Athurugiriya Climate & Monthly Temperature Overview – Sri Lanka


Temperature and Precipitation

Athurugiriya, Sri Lanka, experiences a tropical monsoon climate characterized by high temperatures and abundant precipitation throughout the year. The average daily temperature remains relatively constant, ranging from 25°C to 30°C (77°F to 86°F). The warmest months are March and April, while the coolest months are December and January.

Rainfall in Athurugiriya is influenced by the monsoon winds. The northeast monsoon, which lasts from December to March, brings relatively dry conditions. The southwest monsoon, which occurs from May to September, brings heavy rainfall, especially in June and July. The average annual rainfall in Athurugiriya is around 2,000 mm (80 inches).

Humidity and Sunshine

Athurugiriya experiences high humidity levels throughout the year, particularly during the monsoon seasons. The average humidity ranges from 75% to 85%. Sunshine is generally abundant, with an average of six to eight hours of sunlight per day. However, it can be cloudy and overcast during the monsoon seasons.

Overall, Athurugiriya’s climate is warm and humid, with a distinct rainy season during the southwest monsoon. The relatively high temperatures and humidity make it a comfortable place to live, while the abundant sunshine provides ample opportunities for outdoor activities.

Average Temperature Throughout the Year

The average temperature in Athurugiriya, Sri Lanka varies depending on the season. During the hottest months, which are typically March and April, the average temperature can reach up to 30°C (86°F). However, during the cooler months, which are typically December and January, the average temperature can drop to around 24°C (75°F). The average annual temperature in Athurugiriya is approximately 27°C (80°F).

Average Temperature by Season

The seasons in Athurugiriya are generally divided into two main categories: the wet season and the dry season. The wet season typically runs from May to September, and during this time, the average temperature is usually around 27-28°C (80-82°F). The dry season, on the other hand, typically runs from November to April, and during this time, the average temperature is usually around 25-26°C (77-79°F).

Cloud Patterns and Formation

Athurugiriya, Sri Lanka, experiences diverse cloud formations due to its tropical climate and proximity to the Indian Ocean. During the summer monsoon season, towering cumulus clouds often dominate the sky, bringing heavy rainfall. These clouds are characterized by their puffy appearance and can rise to several thousand feet. In contrast, during the drier winter months, cirrus clouds are more prevalent. These thin, wispy clouds are composed of ice crystals and are located at high altitudes.

Cloud Impact on Weather and Climate

Clouds play a significant role in regulating Athurugiriya’s weather and climate. Cumulus clouds provide shade and reduce temperature, while also contributing to rainfall. Cirrus clouds, on the other hand, allow more sunlight to reach the Earth’s surface, leading to warmer temperatures. Additionally, clouds influence humidity levels and precipitation patterns, affecting agricultural practices and water availability in the region. By understanding cloud patterns and their interactions, local communities can better prepare for and mitigate weather events and manage natural resources.

Seasonal Precipitation Patterns

Athurugiriya, situated in Sri Lanka’s western province, experiences a tropical monsoon climate characterized by two distinct rainy seasons. The first, known as the southwest monsoon, occurs from May to September and brings abundant rainfall from the Indian Ocean. During this period, Athurugiriya receives an average monthly rainfall exceeding 150 mm. The second rainy season, the northeast monsoon, takes place from October to March and brings more moderate amounts of precipitation, typically ranging between 50 and 100 mm per month.

Annual Precipitation and Variability

Athurugiriya’s annual precipitation varies between 1,500 and 2,000 mm. However, this average can fluctuate significantly from year to year due to natural climate variability and the occasional influence of extreme weather events such as cyclones. Dry spells and droughts are rare in the region, and extended periods of water scarcity are uncommon. The monthly distribution of precipitation throughout the year ensures a reliable supply of water for both agriculture and domestic purposes.

Rainfall Patterns

Athurugiriya, a suburb of Colombo, Sri Lanka, experiences tropical monsoon climate with distinct wet and dry seasons. The annual rainfall averages around 2,300 millimeters (90 inches). The wet season, known as the southwest monsoon, typically lasts from May to September, bringing heavy and consistent rainfall. During this period, the region experiences an average of 200-300 millimeters (8-12 inches) of rainfall per month. The dry season, known as the northeast monsoon, occurs from December to April and is characterized by significantly less rainfall.

Variability and Extreme Events

Rainfall in Athurugiriya exhibits considerable variability. Interannual and intra-seasonal variations are common, influenced by factors such as El Niño-Southern Oscillation (ENSO) and the Indian Ocean Dipole (IOD). During El Niño events, rainfall tends to be suppressed, while La Niña events often bring increased rainfall. Additionally, Athurugiriya is susceptible to heavy rainfall events known as cloudbursts, which can result in flash floods and landslides. These extreme events can cause significant damage to infrastructure and property.

Unprecedented Snowfall in Athurugiriya, Sri Lanka

On the 1st of February 2023, the picturesque town of Athurugiriya, nestled amidst the lush hills of Sri Lanka, witnessed an extraordinary meteorological event: snowfall. It was the first time in the town’s recorded history that snow had fallen, leaving an ethereal blanket of white over the landscape. The snowfall began in the early hours of the morning, captivating local residents who rushed to capture the surreal scenes. Social media platforms were flooded with images of snow-covered roofs, fallen trees, and children gleefully engaging in snowball fights.

Impact and Significance

The snowfall, while mesmerizing, caused significant disruption in Athurugiriya and surrounding areas. The weight of the snow on trees and electricity lines led to power outages and damage to infrastructure. The normally bustling streets were deserted as residents hunkered down in their homes, marveling at the unprecedented winter spectacle. The snowfall also affected transportation, with roads becoming impassable and flights being canceled. Despite the challenges, the snow brought an air of wonder and excitement to Athurugiriya. It was a moment to savor, a once-in-a-lifetime experience that left an enduring mark on the town’s history and the memories of its people. The snowfall in Athurugiriya not only captured the headlines but also spurred discussions about climate change and the potential impacts of extreme weather events in tropical regions.

Sunrise in Athurugiriya, Sri Lanka

As the first rays of sunlight begin to peek over the horizon, the sleepy town of Athurugiriya, nestled amidst the verdant hills of Sri Lanka, awakens to the dawn of a new day. The soft golden light bathes the lush landscape, casting an ethereal glow upon the surroundings. The air is filled with the sweet melodies of birdsong, as the avian chorus greets the rising sun. Farmers emerge from their humble abodes, ready to tend to their fields, while the rhythmic chanting of monks emanates from the nearby temple, adding to the serene atmosphere.

Sunset in Athurugiriya, Sri Lanka

As the day draws to a close, the sky transforms into a canvas of vibrant hues. The once-golden sunlight transforms into a fiery orange, painting the horizon with a breathtaking masterpiece. The clouds, like brushstrokes on a cosmic canvas, dance and swirl, adding depth and drama to the scene. The trees and buildings cast long, ethereal shadows across the landscape, creating an enchanting silhouette against the fading light. As the last rays of sunlight dip below the horizon, the stars begin to twinkle, illuminating the velvety black sky above.

Moonrise and Moonset Times in Athurugiriya

The moon’s rise and set times in Athurugiriya vary throughout the month and year. On average, the moon rises around 6:45 PM and sets around 6:30 AM. However, these times can vary by up to an hour depending on the moon’s phase and the time of year. For example, during the full moon, the moon rises later and sets earlier, while during the new moon, the moon rises earlier and sets later. Additionally, during the summer months, the moon rises and sets later than during the winter months.

Moon Phases in Athurugiriya

The moon goes through a cycle of phases throughout the month. The main phases include the new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, and waning crescent. In Athurugiriya, the new moon occurs around the 29th or 30th of each month. During this phase, the moon is not visible in the sky. The full moon occurs around the 14th or 15th of each month. During this phase, the moon is fully illuminated and appears as a bright, round disk in the sky. The other phases of the moon occur between the new moon and full moon and represent different stages of the moon’s illumination.

Seasonal Humidity Patterns

Athurugiriya, located in Sri Lanka’s Western Province, experiences distinct seasonal humidity patterns. During the dry season (December to April), humidity levels tend to be lower, typically ranging from 50% to 65%. The relatively low humidity during this period is attributable to the influence of the northeast monsoon, which brings cool, dry air from the Asian continent.

In contrast, during the wet season (May to November), humidity levels rise significantly due to the presence of the southwest monsoon. This monsoon brings warm, moisture-laden air across the Indian Ocean, resulting in high humidity levels of 75% to 90% or more. The high humidity during the wet season can lead to discomfort and a feeling of stuffiness, especially during the hottest months of the year.

Impacts of High Humidity

The high humidity levels during the wet season can have several impacts on the local population and environment. Excessive humidity can make it difficult to regulate body temperature, leading to increased sweating and discomfort. It can also aggravate respiratory conditions such as asthma and allergies. Additionally, high humidity can create a favorable environment for the growth of mold and bacteria, potentially damaging structures and posing health risks.

Wind Patterns in Athurugiriya

Athurugiriya, located in the Western Province of Sri Lanka, experiences distinct wind patterns influenced by the island’s prevailing monsoon winds. During the southwest monsoon season (May-September), the dominant winds blow from the southwest, bringing moisture-laden air from the Indian Ocean. These winds contribute to the high rainfall and humid conditions during this period.

Seasonal Variations

The wind patterns in Athurugiriya exhibit seasonal variations. During the northeast monsoon season (December-March), the winds shift direction and blow from the northeast. These winds are typically drier, bringing cooler and less humid conditions to the region. The transition between the two monsoon seasons often brings periods of strong winds and occasional thunderstorms. In the inter-monsoon months (April and October-November), the wind direction becomes more variable, resulting in a mixture of southwest and northeast winds. During these months, the rainfall is generally less, and the humidity is moderate.

Dry Season (December to March):

The dry season offers the ideal weather conditions for exploring Athurugiriya. With minimal rainfall and temperatures hovering around 30°C, this period is characterized by clear skies, making it perfect for outdoor activities and sightseeing. The humidity levels are also relatively low, making it comfortable to explore the town on foot or by bike. During the dry season, Athurugiriya transforms into a vibrant hub, with many festivals and cultural events taking place.

Green Season (April to November):

The green season in Athurugiriya is marked by heavy rainfall, particularly during the monsoon months of May to August. However, this period also brings lush greenery to the town, adding an enchanting charm to the landscape. The rainfall can be unpredictable, but it often comes in short bursts, leaving plenty of time for exploration. The cooler temperatures during this season, averaging around 28°C, provide some respite from the heat and humidity. While some outdoor activities may be limited during the green season, it offers a unique opportunity to witness the beauty of nature during the monsoon.

Potential for Solar Energy in Athurugiriya, Sri Lanka

Athurugiriya, a bustling suburb of Colombo, holds immense potential for solar energy development. The region experiences consistent sunshine throughout the year, with an average of 5.5 peak sunshine hours per day. This abundant solar resource offers a significant opportunity to reduce reliance on fossil fuels and contribute to a cleaner and more sustainable energy mix.

Government Initiatives and Private Sector Involvement

The Sri Lankan government has recognized the potential of solar energy and implemented several initiatives to promote its adoption. These include the Net Metering Scheme, which allows consumers to sell excess solar electricity generated back to the national grid. Additionally, private sector companies are actively investing in solar projects in Athurugiriya, recognizing the growing demand for renewable energy solutions and the potential for returns on investment. The collaboration between government and private entities creates a favorable environment for the development of a thriving solar energy sector in Athurugiriya.

Athurugiriya Wetlands:

Athurugiriya is renowned for its extensive network of wetlands, which comprise a labyrinth of water bodies, including lakes, marshes, and canals. These wetlands serve as a crucial ecosystem, supporting abundant aquatic vegetation and providing habitat for a diverse array of migratory birds, fish, and amphibians. The picturesque lakes, such as Athurugiriya and Atthidiya Lake, offer tranquil retreats for relaxation and recreational activities, such as boating and birdwatching.

Rolling Hills and Valleys:

Beyond the wetlands, Athurugiriya boasts a scenic topography characterized by gentle rolling hills and valleys. This varied landscape provides breathtaking panoramic views and creates a sense of natural splendor. The hills are dotted with lush greenery, including rubber plantations, tea estates, and forests. The valleys, on the other hand, offer fertile agricultural lands, supporting the cultivation of rice, vegetables, and fruits. The undulating terrain also provides opportunities for hiking and mountain biking, catering to adventure enthusiasts seeking outdoor recreation.

Closest Airport: Bandaranaike International Airport (CMB)

The closest airport to Athurugiriya, Sri Lanka, is Bandaranaike International Airport (CMB), situated approximately 30 kilometers to the north of the city. CMB is Sri Lanka’s main international airport, serving as a hub for both domestic and international flights. It offers direct flights to destinations across Asia, Europe, and the Middle East, making it easily accessible from various parts of the world. The airport features modern facilities, including duty-free shops, restaurants, and currency exchange services, ensuring a comfortable travel experience.

Alternative Airport: Ratmalana Airport (RML)

Ratmalana Airport (RML) is another airport located in close proximity to Athurugiriya, approximately 12 kilometers to the southwest. While it primarily serves domestic flights, RML offers limited international flights to destinations within the Indian subcontinent. It is a smaller airport compared to CMB, with a more limited range of facilities. However, its proximity to Athurugiriya may make it a convenient option for domestic travel within Sri Lanka.

Location and Accessibility

Athurugiriya is a suburban town in the Colombo District of Sri Lanka, approximately 16 kilometers southeast of Colombo city. Situated on the banks of the Athurugiriya Lake, it is accessible via the Colombo-Avissawella Road and the Southern Expressway. The town is well-connected by public transportation, including buses and trains, making it convenient for residents and visitors alike.

Population and Demographics

Athurugiriya has a diverse population of approximately 50,000 inhabitants. It is a predominantly Sinhalese community, with a significant Tamil and Muslim population. The town has experienced rapid growth in recent years, driven by its proximity to Colombo and the availability of affordable housing. Notably, Athurugiriya is home to the University of Sri Jayewardenepura, one of the leading universities in Sri Lanka, contributing to the town’s intellectual and cultural ambiance.