Barra Mansa Climate & Monthly Temperature Overview – Brazil

Summer: Warm and Humid

Barra Mansa experiences summer from December to February. This season is characterized by high temperatures, with an average maximum of 30°C (86°F). Humidity levels are also elevated, leading to uncomfortable conditions, especially during the warmest hours of the day. Rainfall is common during summer, often accompanied by thunderstorms. The months of December and January receive an average of 150mm (5.9in) of rain each.

Winter: Mild and Dry

Winter extends from June to August in Barra Mansa. The weather during this time is mild and pleasant, with average maximum temperatures hovering around 22°C (72°F). Humidity levels drop, making the air feel more comfortable. Rainfall is infrequent during winter, with the months of June and July receiving an average of only 30mm (1.2in). As a result, the air is often clear and sunny.

Average Annual Temperature and Humidity

Barra Mansa, situated in southeastern Brazil, experiences a humid subtropical climate with distinct wet and dry seasons. The average annual temperature hovers around 22°C (71.6°F), remarkably consistent throughout the year. January, the warmest month, sees temperatures averaging 24.2°C (75.6°F), while July, the coolest month, exhibits an average temperature of 18.7°C (65.7°F). Humidity levels remain high most of the year, averaging around 75%, creating a sultry and humid atmosphere. However, during the winter months, humidity can dip to around 60%.

Seasonal Variations

The seasons in Barra Mansa are marked by distinct patterns of temperature and rainfall. The wet season, extending from October to March, is characterized by frequent and heavy rainfall. During this period, average temperatures range from 21°C (69.8°F) in October to 24°C (75.2°F) in February. The dry season, lasting from April to September, brings less frequent and lighter rainfall, with average temperatures ranging from 18°C (64.4°F) in June to 21°C (69.8°F) in September.

Cloud Types in Barra Mansa, Brazil

Barra Mansa is a municipality in the state of Rio de Janeiro, Brazil, located in the southern region of the country. The city has a humid subtropical climate, with warm, humid summers and mild, dry winters. The average annual temperature is 22.5 °C (72.5 °F), and the average annual precipitation is 1,250 mm (49 in).

The most common cloud type in Barra Mansa is the cirrus cloud. Cirrus clouds are thin, wispy clouds that are composed of ice crystals. They are the highest clouds in the sky, and they are often seen on clear days.

Other common cloud types in Barra Mansa include cumulus clouds and stratus clouds. Cumulus clouds are puffy clouds that look like cotton balls. They are typically found at low altitudes, and they can produce rain or snow. Stratus clouds are flat, gray clouds that cover the entire sky. They often produce drizzle or light rain.

Cloud Cover in Barra Mansa, Brazil

The amount of cloud cover in Barra Mansa varies throughout the year. In the summer, cloud cover is typically less than 50%. In the winter, cloud cover is typically greater than 50%.

The cloudiest month in Barra Mansa is January, with an average cloud cover of 65%. The clearest month in Barra Mansa is September, with an average cloud cover of 35%.

Cloud cover can have a significant impact on the weather in Barra Mansa. When there is more cloud cover, the temperatures are typically cooler and the humidity is higher. When there is less cloud cover, the temperatures are typically warmer and the humidity is lower.

Annual Precipitation

Barra Mansa, Brazil, experiences significant annual precipitation, with an average of 1,200 mm (47.24 inches) distributed throughout the year. The wet season typically extends from October to March, during which the city receives the majority of its rainfall. The months of January and February are particularly wet, with average monthly precipitation exceeding 200 mm (7.87 inches). The dry season, from April to September, is characterized by reduced rainfall and clear skies.

Seasonal Precipitation Variation

The seasonal variation in precipitation is largely influenced by the movement of the Intertropical Convergence Zone (ITCZ). During the wet season, the ITCZ shifts southward, bringing moist air from the Amazon rainforest towards Barra Mansa. This results in abundant rainfall and increased humidity. Conversely, during the dry season, the ITCZ moves northward, causing a reduction in rainfall and drier conditions. The transition between the wet and dry seasons is often gradual, with occasional rainfall occurring outside the designated seasons.

Seasonal Variation in Rainfall

Barra Mansa experiences a marked seasonal variation in rainfall, with distinct wet and dry seasons. The wet season typically extends from October to March, coinciding with the austral summer. During this period, heavy rainfall is frequent, with monthly precipitation often exceeding 200 mm. The dry season, lasting from April to September, is characterized by significantly reduced rainfall. Monthly precipitation during this time typically falls below 50 mm, resulting in occasional drought conditions.

Factors Influencing Rainfall Patterns

The seasonal rainfall patterns in Barra Mansa are primarily influenced by large-scale atmospheric circulation patterns. The Intertropical Convergence Zone (ITCZ), a belt of low atmospheric pressure that encircles the globe near the equator, plays a crucial role. During the austral summer, the ITCZ shifts southward, bringing abundant moisture and rainfall to Barra Mansa. Conversely, during the austral winter, the ITCZ migrates northward, resulting in reduced precipitation and the onset of the dry season. Additionally, local topography and the proximity to the Atlantic Ocean also contribute to the city’s rainfall characteristics, with higher elevations and coastal areas receiving more precipitation.

Historical Snowfall

Barra Mansa, a city in southeastern Brazil, experienced a rare snowfall on July 19, 1918. The snowfall occurred during a southward cold front that brought unseasonably cold temperatures and moisture to the region. The city was covered in a thin layer of snow, which reportedly lasted for several hours before melting away. This snowfall event was a significant anomaly for Barra Mansa, as snowfall is extremely uncommon in this subtropical climate zone.

Causes and Impacts

The snowfall in Barra Mansa was caused by a combination of factors. The southward movement of the cold front created a cold and moist air mass that passed over the region. The high elevation of Barra Mansa, located at nearly 300 meters above sea level, contributed to the formation of snowfall by allowing the air to cool more efficiently. The snowfall had little impact on the city, as it melted quickly and caused no significant damage or disruption. However, it was a notable event that captured the attention of local residents and media outlets.

Sunrise and Sunset Times

In Barra Mansa, Brazil, the sun rises and sets at varying times throughout the year due to the Earth’s tilt and orbit. During the summer months from December to February, the sun rises around 5:30 AM and sets around 6:30 PM. Conversely, in the winter months from June to August, the sun rises later at around 7:00 AM and sets earlier close to 5:00 PM. However, it’s essential to note that these times can fluctuate slightly depending on the day and month.

Weather Patterns and Sun Exposure

Barra Mansa experiences a humid subtropical climate, characterized by warm temperatures year-round. The average temperature ranges from 20 to 30 degrees Celsius throughout the year, with occasional extreme temperatures exceeding 35 degrees. Rainfall is abundant, especially during the summer months, with the city receiving significant precipitation from October to April. As a result, it’s crucial to seek shade and protect oneself from excessive sun exposure during peak hours to prevent sunburn and dehydration. Wearing light, loose-fitting clothing, applying sunscreen, and staying hydrated are recommended precautions.

Lunar Visibility in Barra Mansa

Due to its location in the Southern Hemisphere, Barra Mansa, Brazil, experiences the moon in a different way compared to regions in the Northern Hemisphere. The moon’s position in the sky appears inverted, with the crescent facing left and the full moon appearing upside down. This celestial spectacle is a unique and captivating sight for observers in Barra Mansa.

Moon Phases and Weather Patterns

The moon’s phases have a significant influence on the weather patterns in Barra Mansa. During the full moon, high tides occur, potentially leading to flooding in low-lying areas. Additionally, the moon’s gravitational pull is stronger during the full and new moon phases, which can intensify winds and rainfall. Locals have observed that the full moon often coincides with heavy rainfall, while the new moon brings drier conditions. Understanding the lunar rhythm is crucial for agricultural practices and daily life in Barra Mansa.

Humidity in Barra Mansa, Brazil

Barra Mansa, a city in the southeastern Brazilian state of Rio de Janeiro, experiences a humid subtropical climate characterized by hot, humid summers and mild, dry winters. The average annual relative humidity in Barra Mansa is around 75%, with the highest humidity levels occurring during the summer months from November to April. During these months, humidity can reach up to 90% or more, making the air feel thick and uncomfortable.

The high humidity in Barra Mansa is primarily due to its geographical location and topography. The city is situated in a river valley surrounded by mountains, which trap moisture and prevent it from escaping. Additionally, the proximity to the Atlantic Ocean and the Amazon rainforest contributes to the high humidity levels. The warm, moist air from both sources is carried inland by the prevailing winds, further increasing humidity. The lack of strong, consistent winds also contributes to the high humidity levels, as there is less air circulation to remove moisture from the atmosphere.

Wind Patterns in Barra Mansa

Barra Mansa, located in the southeastern region of Brazil, experiences distinct wind patterns throughout the year. During the austral summer (December to February), the predominant wind direction is from the northeast, characterized by warm and humid air masses. These winds contribute to the formation of cumulonimbus clouds and occasional thunderstorms, especially in the late afternoons and evenings.

Seasonal Variations

In the austral winter (June to August), the wind direction shifts to the southeast, bringing cooler and drier air masses from the interior of the continent. These winds are often associated with stable atmospheric conditions, resulting in fewer cloud formations and less precipitation. During the transitional seasons (March to May and September to November), the wind direction becomes more variable, with alternating periods of northeasterly and southeasterly winds. These transitions often bring changes in temperature and humidity, which can affect local weather conditions.

Best time to visit for weather:

Barra Mansa, located in the southeastern region of Brazil, is a vibrant city characterized by its stunning landscapes and pleasant climate. The city generally experiences warm temperatures throughout the year, with the warmest months falling between October and March. During this time, average temperatures hover around 28 degrees Celsius, making it an ideal time for outdoor activities such as hiking, exploring the city’s parks, or enjoying the lively street markets. The city receives moderate rainfall during the summer months, providing a refreshing relief from the heat.

Best time to maximize experiences:

However, it’s important to note that the best time to visit Barra Mansa largely depends on your interests and preferences. If you’re eager to witness the city come to life with cultural events, the spring months (September to November) and autumn months (March to May) offer an array of festivals and celebrations. During this period, the city hosts vibrant parades, traditional music performances, and art exhibitions. Additionally, the shoulder months offer a perfect balance between pleasant weather and lower tourist crowds, allowing for a more relaxed and authentic experience of Barra Mansa’s charm.

Solar Energy Potential

Barra Mansa, Brazil, boasts immense potential for solar energy generation. The city is located in a region with abundant sunshine, receiving an average of over 5 kWh/m2/day. This high solar irradiance provides a favorable environment for photovoltaic systems to generate electricity efficiently. Additionally, Barra Mansa has a relatively low level of air pollution, which can reduce the impact on solar panel performance.

Development of Solar Projects

In recent years, there has been growing interest in developing solar energy projects in Barra Mansa. The government has introduced various incentives to promote the adoption of renewable energy, including tax breaks and feed-in tariffs. As a result, several solar power plants have been established in and around the city, contributing to the growth of the local renewable energy industry. The development of these projects is expected to continue in the future, further harnessing the abundant solar resources available in Barra Mansa.

The Serra da Mantiqueira: A Majestic Mountain Range

Barra Mansa is nestled at the foot of the Serra da Mantiqueira, a majestic mountain range that forms a natural border between the states of Rio de Janeiro and Minas Gerais. These ancient mountains tower above the city, with peaks reaching over 2,500 meters in altitude. The highest peaks in the range include Pico das Agulhas Negras, the third-highest mountain in Brazil, and Pedra Selada, known for its iconic saddle-shaped summit. The Serra da Mantiqueira is a hiker’s paradise, offering breathtaking trails that wind through lush forests, granite canyons, and cascading waterfalls.

Hills and Valleys: A Tranquil Tapestry

Beyond the Serra da Mantiqueira, the topography around Barra Mansa is characterized by rolling hills and picturesque valleys that create a tranquil tapestry of nature. The region is home to numerous rivers and streams, which have carved their way through the landscape, forming deep canyons and waterfalls. These natural waterways provide opportunities for swimming, fishing, and kayaking amidst the idyllic surroundings. The hillsides are dotted with verdant pastures, where cattle graze peacefully, adding to the pastoral charm of the area. The serene beauty of these hills and valleys offers a sanctuary for those seeking tranquility and a respite from the hustle and bustle of city life.

Galeão International Airport (GIG)

Galeão International Airport (GIG) is located in Rio de Janeiro, approximately 100 kilometers (62 miles) east of Barra Mansa. It is the busiest airport in Brazil and serves as a major hub for domestic and international flights. GIG is well-connected to Barra Mansa by road and public transportation. By car, the journey takes about 1 hour and 30 minutes via BR-116. Alternatively, passengers can take a bus from Barra Mansa to Rio de Janeiro and transfer to GIG airport. The bus ride takes approximately 2 hours, with several departures throughout the day.

Other nearby airports

Besides GIG, there are two other airports located within a reasonable distance from Barra Mansa:

  • Santos Dumont Airport (SDU): Also located in Rio de Janeiro, SDU is a smaller airport that mainly serves domestic flights. It is situated approximately 120 kilometers (75 miles) east of Barra Mansa. By car, the drive takes about 2 hours via BR-116. Alternatively, passengers can take a bus from Barra Mansa to Rio de Janeiro and transfer to SDU airport.

  • Caxias do Sul Airport (CXJ): Located in the southern state of Rio Grande do Sul, CXJ is approximately 1,100 kilometers (680 miles) south of Barra Mansa. There are no direct flights from Barra Mansa to CXJ. Passengers would need to connect via Rio de Janeiro or another major city.

Geography and Climate

Barra Mansa is a city located in the south of the state of Rio de Janeiro, Brazil. It is situated in the Paraíba do Sul River Valley, surrounded by mountains and hills. The city has a tropical climate with hot and humid summers and mild winters. The average annual temperature is around 22 degrees Celsius (72 degrees Fahrenheit). Barra Mansa is known for its natural beauty, with numerous parks, waterfalls, and hiking trails nearby.

Culture and Economy

Barra Mansa is a vibrant city with a rich cultural heritage. It is home to several museums, art galleries, and theaters. The city’s main industries include manufacturing, textiles, and tourism. Barra Mansa is also known for its traditional cuisine, which features dishes such as feijoada (black bean stew) and farofa (toasted manioc flour). The city is well-connected by road and rail, and it is easily accessible from Rio de Janeiro and other major cities in the region.