San Lorenzo Climate & Monthly Temperature Overview – Paraguay

Climate

San Lorenzo, Paraguay, experiences a humid subtropical climate with distinct wet and dry seasons. The city has warm to hot temperatures year-round, with average highs ranging from the mid-70s to low 90s Fahrenheit (24°C – 33°C) and average lows between the low 60s to mid-70s Fahrenheit (17°C – 24°C). The wet season typically spans from October to April, bringing frequent rainfall and occasional thunderstorms. During this time, humidity levels rise significantly, creating a muggy atmosphere.

Average Weather Year Round

Summer (December – February):
Summer in San Lorenzo is characterized by high temperatures and abundant sunshine. Average highs reach the low 90s Fahrenheit (33°C), while average lows remain in the mid-70s Fahrenheit (24°C). The humidity is high during this time, and rainfall is common, although it is less frequent than during the wet season.

Autumn (March – May):
Autumn brings a gradual decrease in temperatures and rainfall. Average highs drop to the low 80s Fahrenheit (27°C), while average lows still hover around the mid-70s Fahrenheit (24°C). Humidity levels remain high, but the atmosphere is slightly less oppressive.

Winter (June – August):
Winter in San Lorenzo is mild and dry. Average highs range from the mid-70s to low 80s Fahrenheit (24°C – 27°C), while average lows drop to the low 60s Fahrenheit (17°C). Rainfall is infrequent during this time, and the humidity levels are lower, making for a more pleasant climate.

Spring (September – November):
Spring is a transitional season that brings a gradual increase in temperatures and humidity. Average highs climb to the mid-80s Fahrenheit (29°C), while average lows remain in the low 70s Fahrenheit (22°C). Rainfall becomes more frequent as the season progresses, but it is not as heavy as during the wet season.

Average Monthly Temperatures

San Lorenzo, a city located in central Paraguay, experiences significant temperature variations throughout the year. The average monthly temperatures range from a maximum of 36°C (97°F) in January and February to a minimum of 12°C (54°F) in June and July. The city’s subtropical climate is characterized by hot, humid summers and mild winters. During the summer months, temperatures can soar above 40°C (104°F) on the hottest days, while in the winter months, temperatures rarely fall below 10°C (50°F).

Seasonal Variations

The city’s seasons are well-defined, with distinct weather patterns during each period. The summer season, which runs from December to February, is characterized by intense heat and humidity, with frequent thunderstorms and heavy rainfall. The autumn season, from March to May, brings gradually decreasing temperatures and less frequent rainfall. The winter season, from June to August, is marked by mild, dry weather, with temperatures dropping to their lowest point in July. The spring season, from September to November, experiences warming temperatures and an increase in rainfall, as the city transitions back to the summer season.

Types of Clouds in San Lorenzo, Paraguay

San Lorenzo, Paraguay experiences a variety of cloud formations throughout the year, influenced by its subtropical climate. One of the most common cloud types is the cumulus cloud, characterized by its puffy, cotton-like appearance. Cumulus clouds often appear in fair weather and can develop into larger cloud systems, such as cumulonimbus clouds. Cirrus clouds, on the other hand, are thin, wispy clouds made of ice crystals that float at high altitudes. Cirrus clouds are typically associated with fair or fair-weather conditions.

Impacts of Clouds on San Lorenzo

The presence of clouds in San Lorenzo can have a significant impact on the weather and climate. Clouds can block sunlight, leading to cooler temperatures and reduced solar radiation. They can also trap heat, creating a warming effect. Clouds can also influence precipitation patterns, with cumulonimbus clouds producing heavy rainfall, thunderstorms, and lightning. Additionally, clouds play a crucial role in the water cycle, storing water vapor and releasing it as rain or snow. They also help regulate the Earth’s temperature by reflecting sunlight and releasing heat into the atmosphere.

Rainfall Patterns

San Lorenzo, Paraguay experiences an average annual precipitation of approximately 1,300 mm (51 inches). The rainfall is distributed relatively evenly throughout the year, with a slight peak during the summer months (December to February) and a moderate decline during the winter months (June to August).

During the wettest months, rainfall can often exceed 150 mm (6 inches), leading to occasional flooding in low-lying areas. The average humidity levels in San Lorenzo are relatively high, ranging from 70% to 80% throughout the year. This high humidity, combined with the frequent rainfall, can create a humid and uncomfortable environment at times.

Seasonal Rainfall Patterns

San Lorenzo, Paraguay, experiences a humid subtropical climate with distinct wet and dry seasons. During the wet season, which spans from October to April, the city receives the majority of its annual rainfall. November and December are typically the wettest months with an average rainfall of over 200 mm per month. The dry season, from May to September, is characterized by significantly lower rainfall, with monthly averages below 100 mm.

Annual and Monthly Rainfall Distribution

The average annual rainfall in San Lorenzo is approximately 1,400 mm. The distribution of rainfall throughout the year is relatively consistent, with all months receiving some precipitation. However, there is a notable increase in rainfall during the summer months due to the influence of the South Atlantic Convergence Zone, a low-pressure system that brings heavy rainfall to the region. The variability in monthly rainfall is moderate, with the driest months (June and July) receiving about 10-20% of the wettest months (November and December).

Historical Rarity

Snowfall in San Lorenzo, Paraguay, is an extremely rare and extraordinary meteorological event. Located in the subtropical climate zone of South America, the city experiences warm and humid conditions year-round, with temperatures rarely dropping below freezing. Consequently, any snowfall in San Lorenzo is considered an exceptional occurrence.

The last recorded snowfall in San Lorenzo occurred in July 1975, during an unusually strong cold front that swept across the region. The snowfall persisted for several hours, covering the city with a thin layer of white. The event sparked widespread amazement and fascination, as many residents had never witnessed snowfall before. The unusual weather conditions resulted from a combination of high-altitude atmospheric cooling and a surge of cold air from the South Atlantic Ocean.

Climate of San Lorenzo, Paraguay

San Lorenzo, Paraguay, experiences a humid subtropical climate, with hot, humid summers and mild winters. The average temperature in January, the warmest month, is 28.5°C (83.3°F), while the average temperature in July, the coolest month, is 16.6°C (61.9°F). The city receives an average of 1,400 millimeters (55 inches) of rainfall per year, which is distributed relatively evenly throughout the year.

Summer in San Lorenzo

Summers in San Lorenzo are hot and humid, with average temperatures reaching 28.5°C (83.3°F) in January. The humidity levels are also high, making the weather feel even hotter. The city receives an average of 150 millimeters (6 inches) of rainfall per month during the summer months, which can lead to occasional flooding.

Winter in San Lorenzo

Winters in San Lorenzo are mild, with average temperatures reaching 16.6°C (61.9°F) in July. The humidity levels are also lower during the winter months, making the weather feel more comfortable. The city receives an average of 50 millimeters (2 inches) of rainfall per month during the winter months.

Moon’s Appearance in San Lorenzo, Paraguay

The Moon’s appearance in San Lorenzo, Paraguay, is similar to its appearance anywhere else on Earth. However, certain factors can affect its visibility and the clarity of its features:

  • Latitude: San Lorenzo is located in the Southern Hemisphere, at a latitude of approximately 25° south. This means that the Moon will typically appear lower in the sky than it does in the Northern Hemisphere.

  • Light pollution: As the second largest city in Paraguay, San Lorenzo experiences some light pollution. This can make it more difficult to see the Moon, especially when it is near the horizon.

  • Weather: The weather in San Lorenzo can also affect the visibility of the Moon. Clouds, fog, and haze can obscure the Moon’s light or make its features less distinct.

Moon’s Visibility and Timing

The Moon’s visibility in San Lorenzo varies throughout the month. During a full Moon, the Moon is fully illuminated and easily visible throughout the night. During a new Moon, the Moon is not visible at all. Between these two extremes, the Moon’s visibility gradually increases or decreases as it waxes or wanes.

The Moon’s rising and setting times also vary throughout the month. Typically, the Moon rises in the east and sets in the west. However, the exact direction and time of its rising and setting change slightly from day to day.

Humidity in San Lorenzo, Paraguay: Overview

San Lorenzo, Paraguay, like many subtropical regions, experiences consistent humidity throughout the year. The average annual humidity level hovers around 75%, ranging from approximately 70% during the cooler months to 80% or higher during the warmer, wetter months. The high humidity is largely attributed to the city’s location in the Southern Cone region, which is characterized by warm, moist air masses originating from the Atlantic Ocean.

Seasonal Variations in Humidity

Humidity levels in San Lorenzo vary seasonally, with distinct patterns observed during different times of the year. During the austral winter (June-August), humidity levels are generally lower, averaging around 70%. As the temperature begins to rise during the austral spring (September-November), humidity levels gradually increase. The peak humidity period occurs during the austral summer (December-February), when humidity levels consistently exceed 80%. This period coincides with the warmest months of the year, when temperatures often reach or exceed 30 degrees Celsius (86 degrees Fahrenheit). During the austral autumn (March-May), humidity levels gradually decrease again, returning to the lower levels experienced during the winter months.

Wind Speed

San Lorenzo, Paraguay experiences relatively low wind speeds throughout the year. The average wind speed ranges from 2.5 to 3.0 meters per second (5.6 to 6.7 miles per hour). During the summer months (December to February), wind speeds tend to be slightly higher, while they are lower during the winter months (June to August). The highest wind speeds are typically recorded during the afternoon and evening hours.

Wind Direction

The predominant wind direction in San Lorenzo is from the northeast, with winds also frequently blowing from the southeast and east. During the summer months, winds tend to be more variable in direction, while during the winter months they are more consistent from the northeast. Occasionally, strong southerly winds known as “pamperos” can occur, bringing gusty winds and thunderstorms. These winds can reach speeds of up to 100 kilometers per hour (62 miles per hour) and can cause significant damage.

Climate and Seasons:

San Lorenzo, Paraguay experiences a subtropical climate with hot, humid summers and mild, dry winters. The rainy season typically lasts from October to March, with occasional precipitation during other months. The average annual temperature hovers around 23°C (73°F), with temperatures reaching up to 35°C (95°F) in summer and dropping to around 10°C (50°F) in winter.

Optimal Time to Visit:

The best time to visit San Lorenzo is during the winter months (April to September), when the weather is at its most pleasant. The humidity is lower, making it less oppressive, and the air is generally clearer and drier. The rainfall during this time is less frequent, allowing visitors to fully enjoy outdoor activities without interruption. However, it’s worth noting that even in winter, San Lorenzo can experience occasional days of high humidity and sporadic showers.

Solar Energy Potential in San Lorenzo, Paraguay

San Lorenzo, the second-largest city in Paraguay, possesses exceptional potential for solar energy development. Its geographical location within the tropical zone ensures abundant solar radiation throughout the year. The city receives an average of 5.5 kWh/m²/day, significantly higher than the global average. This favorable solar resource makes San Lorenzo an ideal location for harnessing solar energy to meet its energy needs.

Benefits and Opportunities

Exploiting solar energy in San Lorenzo offers numerous benefits for both the city and its residents. Solar power generation is a clean and sustainable source of energy, contributing to the reduction of greenhouse gas emissions and the conservation of finite fossil fuel resources. By developing solar energy projects, San Lorenzo can enhance its energy independence, reduce its reliance on imported fossil fuels, and contribute to a more sustainable and environmentally friendly future. Additionally, the development of solar energy industries can create new employment opportunities and boost economic growth in the region.

Topography and Landscape

San Lorenzo, Paraguay is characterized by a relatively flat topography, with gently rolling hills and a few isolated peaks. The landscape is dominated by a mix of urban and rural areas, with extensive tracts of land dedicated to agriculture and grazing. The city is situated in a valley formed by the confluence of several rivers, which provide a fertile environment for farming. The Paraná River, the second-largest river in South America, forms the city’s eastern border, and its tributaries, such as the Salado River and the Piribebuy River, meander through the area, shaping the local topography.

Hills and Peaks

Despite its generally flat terrain, San Lorenzo boasts a few notable hills and peaks. Cerro Ñemby, located in the southern part of the city, is one of the highest points in the region, reaching an altitude of over 300 meters. It offers panoramic views of the surrounding countryside and is a popular destination for hikers and nature enthusiasts. Another prominent hill is Cerro Lambaré, located to the west of San Lorenzo. It is famous for its historical significance as the site of a battle during the Paraguayan War in the 19th century.

Silvio Pettirossi International Airport (ASU)

Silvio Pettirossi International Airport (ASU) is the primary airport serving San Lorenzo, Paraguay. It is located approximately 20 kilometers (12 miles) northeast of the city center and handles both domestic and international flights. The airport is named after Paraguayan aviator Silvio Pettirossi and is the main hub for LATAM Airlines Paraguay, the country’s flag carrier. ASU offers connections to major cities in South America, including Buenos Aires, Santiago, and São Paulo, as well as direct flights to Miami and Madrid.

Other Nearby Airports

While Silvio Pettirossi International Airport is the closest to San Lorenzo, there are several other airports within a reasonable driving distance. Guaraní International Airport (AGT) in Ciudad del Este is approximately 270 kilometers (168 miles) east of San Lorenzo and serves as a gateway to the eastern region of Paraguay. Mariscal Estigarribia International Airport (ESG) in Mariscal Estigarribia is located approximately 620 kilometers (385 miles) northwest of San Lorenzo and offers limited domestic flights.

Geography and Climate

San Lorenzo is located in the Central Department of Paraguay, approximately 15 kilometers southeast of the capital city of Asunción. It is situated on the banks of the Paraguay River and covers an area of about 235 square kilometers. The city has a warm and humid subtropical climate with average temperatures ranging from 20 to 30 degrees Celsius throughout the year. San Lorenzo experiences abundant rainfall, especially during the summer months, and is prone to occasional flooding due to its proximity to the river.

Culture and Demographics

San Lorenzo is a diverse and vibrant city with a population of over 250,000 inhabitants. It is known for its rich cultural heritage and lively atmosphere. The city has several historical landmarks and cultural institutions, including the National University of Asunción, the San Lorenzo Museum, and the Iglesia de San Lorenzo. San Lorenzo is also home to a large student population, as it is a major educational center in the country. The city boasts a variety of restaurants, bars, and nightclubs, offering a vibrant nightlife scene for both locals and visitors alike. San Lorenzo is a melting pot of cultures, with residents from diverse backgrounds living and working together in harmony.