Assis Climate & Monthly Temperature Overview – Brazil

Climate Overview

Assis, Brazil, boasts a humid subtropical climate, characterized by ample rainfall throughout the year and relatively mild temperatures. The annual average temperature hovers around 75°F (24°C), with summer months averaging 82°F (28°C) and winter months averaging 63°F (17°C).

Rainfall is generous, with an annual average of around 55 inches (1,400 mm). The wet season spans from October to March, bringing heavy downpours and occasional thunderstorms. During the dry season, from April to September, precipitation is less frequent, but sporadic showers can still occur.

Monthly Weather Variations

January-March: Summer is Assis’ warmest and wettest season. Temperatures soar to an average high of 86°F (30°C), while humidity levels rise, making it feel even warmer. Expect frequent rainfall, with occasional heavy downpours.

April-June: As the dry season approaches, temperatures begin to drop slightly, averaging a high of 79°F (26°C). Rainfall becomes less frequent, but the occasional shower is still possible.

July-September: Winter is the driest and coolest season in Assis. Temperatures dip to an average low of 53°F (12°C), with occasional nights dropping below 40°F (4°C). Rainfall is infrequent, providing a respite from the humid summer months.

October-December: The wet season returns with a vengeance, bringing heavy rainfall and increased humidity. Temperatures begin to rise once again, reaching an average high of 82°F (28°C).

Average Temperature in Assis, Brazil

Assis, Brazil, experiences a humid subtropical climate, characterized by hot, humid summers and mild, dry winters. The average annual temperature in Assis is 21.4°C (70.5°F). The hottest month is January, with an average temperature of 25.6°C (78.1°F), while the coldest month is July, with an average temperature of 16.5°C (61.7°F).

Throughout the year, temperatures in Assis can vary significantly. During the summer months (December to February), temperatures often reach into the mid-30s°C (90s°F), with high humidity levels that can make it feel even warmer. In contrast, winter temperatures typically range from the mid-teens to low-20s°C (60s°F), with occasional cold fronts bringing temperatures down to near freezing. The city also experiences occasional thunderstorms, especially during the summer months.

Cloud Cover and Precipitation

Assis, Brazil experiences significant cloud cover throughout the year. During the wet season, which runs from October to March, cloud cover is mostly composed of cumulonimbus clouds, which are associated with heavy rainfall and thunderstorms. The city receives an average of 1,400 mm of rainfall annually, with the majority occurring during this wet period.

Cloud Types

In addition to cumulonimbus clouds, Assis also experiences a variety of other cloud types. During the dry season, from April to September, stratus clouds are common, often covering the sky with a uniform gray layer. During transitional periods between seasons, cirrus clouds and altostratus clouds can be observed, indicating changes in the atmospheric conditions.

Precipitation Patterns

Assis, Brazil, experiences a tropical climate with abundant precipitation throughout the year. The city receives an average of 1,500 millimeters (59 inches) of precipitation annually, with most rainfall occurring during the summer months between October and April. During this period, heavy rainfall is common, often leading to flooding in low-lying areas. The rainy season is attributed to the influence of the Intertropical Convergence Zone (ITCZ), which brings moist air from the Atlantic Ocean and results in convective precipitation.

Seasonal Variations

Precipitation in Assis exhibits distinct seasonal variations, with the heaviest rainfall occurring between December and February. During these months, the city can experience up to 250 millimeters (9.8 inches) of rainfall per month. The driest period typically falls between May and September, when Assis receives an average of 50-100 millimeters (1.9-3.9 inches) of precipitation per month. This dry season is influenced by the southward migration of the ITCZ, which reduces the moisture available for precipitation. However, even during the dry season, Assis is prone to occasional showers or thunderstorms, ensuring a relatively constant level of humidity throughout the year.

Rainfall Patterns

Assis, Brazil, experiences a humid subtropical climate with distinct wet and dry seasons. The wet season typically lasts from October to March, bringing ample rainfall to the region. During this period, Assis receives an average of 150 to 200 millimeters (6 to 8 inches) of rain per month. The heaviest rainfall occurs in January and February, when monthly precipitation often exceeds 250 millimeters (10 inches).

In contrast, the dry season extends from April to September. During this time, rainfall diminishes significantly, with monthly precipitation averaging between 50 and 100 millimeters (2 to 4 inches). The driest month is August, when rainfall typically drops below 50 millimeters (2 inches). This seasonal variation in rainfall is driven by the migration of the Intertropical Convergence Zone (ITCZ), a band of low pressure that brings moisture to the region. During the wet season, the ITCZ shifts southward, bringing heavy rainfall to Assis. Conversely, during the dry season, the ITCZ moves northward, resulting in reduced rainfall.

Meteorological Causes of Snowfall in Assis, Brazil

Assis, a municipality in the state of São Paulo, Brazil, has experienced rare snowfall on a handful of occasions. This meteorological phenomenon occurs when the temperature drops to below freezing point and moisture in the air condenses into ice crystals. For snowfall to occur in Assis, specific atmospheric conditions must align, including the presence of a cold front, high levels of atmospheric moisture, and instability in the atmosphere. In the few instances of snowfall in Assis, these conditions have converged, resulting in a surreal winter wonderland amidst the typically tropical climate of the region.

Social and Cultural Impact of Snowfall in Assis

Snowfall in Assis is a rare and captivating event that draws locals and tourists alike to experience the novelty of wintry weather in an unlikely setting. The unexpected snowfall has often led to widespread excitement and a sense of wonder among residents. People gather to capture memories, build snowmen, and engage in playful snowball fights. The presence of snow transforms the urban landscape, creating a beautiful and fleeting winter spectacle that breaks the monotony of the usual tropical weather patterns. The snowfall becomes a topic of conversation and a shared experience, fostering a sense of community and creating lasting winter memories in the hearts of those who witness it.

Sunrise and Sunset Times

In Assis, Brazil, the sun rises as early as 6:00 AM during the summer months (December to February) and as late as 7:00 AM in the winter months (June to August). Sunset times vary similarly, with sunset occurring as early as 6:00 PM in December and as late as 7:00 PM in June. The length of daylight varies throughout the year, with the longest days occurring in December and the shortest days in June.

Solar Radiation and Intensity

Assis, Brazil experiences significant solar radiation throughout the year due to its location in the tropics. The city receives an average of 2,600 sunshine hours annually, making it one of the sunniest cities in the country. The solar radiation intensity is consistently high, with an average of 5.5 kWh/m²/day throughout the year. This high solar intensity makes it essential for residents to take precautions against excessive sun exposure, such as wearing sunscreen and protective clothing.

Moon Data for Assis, Brazil

The moon’s position, phase, and illumination in Assis, Brazil can vary significantly throughout the year. The moon’s phase refers to the portion of the moon’s surface lit by sunlight as seen from Earth. The moon’s illumination, expressed as a percentage, indicates the amount of the moon’s visible surface that is illuminated.

For example, on January 1, 2023, the moon in Assis will be in its new phase, meaning that it will not be visible from Earth. As the month progresses, the moon will wax, gradually becoming more illuminated. By January 15th, the moon will be in its first quarter phase, with 50% of its surface illuminated. The moon will continue to wax until it reaches its full phase on January 21st, when 100% of its surface will be illuminated. After the full phase, the moon will begin to wane, gradually losing its illumination. By February 4th, the moon will be in its last quarter phase, with 50% of its surface illuminated. The moon will continue to wane until it returns to its new phase on February 11th.

The moon’s position in the sky also changes throughout the month. On January 1st, 2023, the moon will be located in the constellation of Capricornus. As the month progresses, the moon will move eastward, passing through the constellations of Aquarius, Pisces, Aries, and Taurus. By February 4th, the moon will be located in the constellation of Gemini. The moon’s position in the sky can be used to determine its age and phase.

Relative Humidity Levels

Assis, Brazil, experiences a humid subtropical climate, characterized by high humidity levels throughout the year. The average annual relative humidity is around 75%, with fluctuations occurring throughout the seasons. During the wet season (October to April), humidity levels typically reach their highest at around 80-90%. Conversely, during the dry season (May to September), humidity drops to around 60-70%.

Impact on Climate and Comfort

High humidity levels in Assis can have significant impacts on the local climate and human comfort. Evaporative cooling, a natural process that occurs when sweat evaporates from the skin, is less effective in humid environments. As a result, individuals may feel more uncomfortable, even at relatively moderate temperatures. Furthermore, high humidity can promote the growth of mold and mildew, creating potential health issues and impacting indoor air quality.

Wind Patterns

Assis, Brazil experiences a tropical climate with distinct wet and dry seasons. The prevailing wind direction during the wet season (October to March) is from the northeast, bringing moisture from the Atlantic Ocean. These winds are typically light to moderate in strength and can bring occasional thunderstorms. During the dry season (April to September), the wind direction shifts to the southeast, bringing drier air from the interior of the continent. These winds are often stronger and can cause occasional dust storms.

Wind Speed and Direction

The average wind speed in Assis throughout the year ranges from 10 to 15 kilometers per hour (6 to 9 miles per hour). The strongest winds typically occur during the dry season, with average speeds reaching up to 20 kilometers per hour (12 miles per hour). The predominant wind direction is from the northeast during the wet season and from the southeast during the dry season. However, short-term variations in wind speed and direction can occur due to localized weather patterns and terrain influences.

Dry Season (April to September)

The dry season in Assis, Brazil, offers the best weather conditions for exploration. With low humidity and minimal rainfall, this period is ideal for outdoor activities such as hiking, cycling, and sightseeing. Temperatures during the day range from pleasantly warm to hot, with average highs in the mid to upper 70s Fahrenheit. Evenings can be slightly cooler, providing a comfortable respite from the daytime heat. The dry season also coincides with the peak tourist season, so visitors can expect a lively atmosphere and plenty of things to do.

Shoulder Months (March and October)

The shoulder months of March and October offer a compromise between the ideal dry season weather and the lower crowds of the off-season. While some rainfall may occur during these months, it is typically less frequent and less intense than during the wet season. Temperatures remain warm but slightly cooler than in the dry season, making them comfortable for outdoor activities without extreme heat. The shoulder months are also a good time to visit for those seeking a more tranquil experience, as tourist numbers tend to be lower.

Potential for Solar Energy

Assis, Brazil, located in the state of São Paulo, has substantial potential for solar energy utilization. The region receives high levels of solar irradiance throughout the year, making it an ideal location for photovoltaic (PV) installations. The average annual global horizontal irradiance in Assis exceeds 1,900 kWh/m², indicating sufficient solar resources to generate significant energy from solar panels.

Current Solar Energy Development

Despite its potential, solar energy development in Assis is still in its early stages. However, there are several notable initiatives underway. The municipality of Assis has implemented a solar energy program that includes the installation of rooftop solar systems on public buildings and the promotion of solar energy adoption among residents. Several private companies and organizations are also investing in solar projects in the region, with a focus on large-scale solar farms and distributed generation systems.

Elevation and Relief

Assis lies in the northwestern region of the state of São Paulo, Brazil, in a transition zone between the Atlantic Forest biome and the Cerrado savanna. The city’s topography is characterized by gently rolling hills and valleys, with an average elevation of around 550 meters (1,804 feet) above sea level. The highest point in the municipality is Cerro Gordo, which rises to 640 meters (2,100 feet). The topography of Assis is influenced by its geological history, as it is located on the São Paulo Plateau, which formed millions of years ago from uplifted tectonic plates.

Hydrography

The topography of Assis is closely linked to its hydrographic network. The city is drained by the Ribeirão do Pinhal River, which originates in the nearby Serra do Itaqueri and flows through the municipality before joining the Paranapanema River. Numerous tributaries and streams feed into the Ribeirão do Pinhal, contributing to the formation of a dendritic drainage pattern. The gentle slopes of the hills allow for the accumulation of water, resulting in the formation of several small lakes and ponds, such as Lake Municipal and Lake Igapó. These water bodies provide important habitats for local flora and fauna.

Nearest Airport to Assis, Brazil

The nearest airport to Assis, Brazil, is Marília Airport (MII), located approximately 55 kilometers (34 miles) southeast of the city. MII primarily serves domestic flights within Brazil and is connected to major cities such as São Paulo and Curitiba. However, there are no direct international flights to or from MII.

For international travel, the most convenient option is to connect through another airport in Brazil with direct international flights. The closest airport with international connections is Viracopos International Airport (VCP) in Campinas, São Paulo, approximately 215 kilometers (134 miles) from Assis. VCP offers a wider range of domestic and international flights, including connections to major cities worldwide.

History and Cultural Heritage

Assis, located in the northwestern region of São Paulo state in Brazil, holds a rich history and a vibrant cultural heritage. Founded in 1792 as the Capela de Nossa Senhora do Desterro, the city gradually grew and became a regional center of commerce and agriculture. Its architectural landmarks include the imposing Cathedral of Saint Anthony, a neo-Gothic masterpiece built in the early 20th century, and the picturesque Praça Dr. Oswaldo Cruz, the main square lined with historic buildings. Furthermore, the city is renowned for its traditional festivals, such as the Festa do Divino Espírito Santo, which celebrates the Holy Spirit and features colorful processions and lively music performances.

Natural Beauty and Recreation

Natural beauty abounds in and around Assis, offering visitors a chance to experience the wonders of the Brazilian landscape. The city is surrounded by rolling hills and valleys, creating a picturesque backdrop for outdoor activities. The Municipal Park of Ipiranga, located just outside the city center, offers trails for hiking, cycling, and horseback riding, along with a lake for fishing and boating. Additionally, the region is home to several waterfalls, including the breathtaking Cachoeira do Ipuã, a popular destination for swimming and relaxation. For nature enthusiasts, the nearby Mata Atlântica Forest Reserve provides opportunities for birdwatching and exploring its diverse flora and fauna.