Barra do Sahy Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Barra do Sahy, São Paulo State, Brazil. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Let's explore the details to provide you with a complete overview.

Barra do Sahy experiences significant rainfall throughout the year, averaging 2100 mm (83 in) of precipitation annually. However, this abundant rainfall is not evenly distributed, with a distinct rainy season during certain months. You can clearly see this in our monthly precipitation graphs below.

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm (0.01 in))

The seasons in Barra do Sahy, bring significant changes in precipitation. The wettest month, January, receives heavy rainfall, with an average of 318 mm (13 in) of precipitation. This rainfall is distributed across 20 rainy days.

In contrast, the driest month, August, experiences much less rainfall, totaling 77 mm (3 in) over 10 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

January, the wettest month, has a maximum daytime temperature of 29°C (84°F). The city receives 157 hours of sunshine in this period. During the driest month August you can expect a temperature of 24°C (75°F). For more detailed insights into the city's temperatures, visit our Barra do Sahy Temperature page.

Annual Rainfall in Brazil: City Comparison

The map below shows the annual precipitation across Brazil. You can also select the different months in case you are interested in a specific month.

Barra do Sahy vs World: Rainfall Compared

Barra do Sahy's average annual precipitation is 2100 mm (83 in). Let's compare this to some popular worldwide tourist destinations:

The city of Rome, Italy, has an average annual precipitation of 832 mm (33 in), spread fairly evenly throughout the year.

In Seoul, South Korea, the average annual precipitation is 1237 mm (49 in), with most rain falling during the summer monsoon season.

Perth, Australia, receives 565 mm (22 in) of rainfall annually, mostly during the winter months.

Bangkok, Thailand, experiences a tropical monsoon climate with 1668 mm (66 in) of annual rainfall, with the heaviest precipitation occurring during September and October.

Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.

Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.

Climate change is affecting precipitation patterns worldwide, including Barra do Sahy:

• Changing Rainfall Patterns: Global warming causes drastic changes in the patterns of rainfall. Some areas have been experiencing increased frequency and intensity of rainfall, while other areas experience longer dry spells or even droughts.
• Local Impacts: Many regions are experiencing heavier rainfall in the winter months and drier, hotter summers. This affects agriculture, water resources, and ecosystems.

• Mawsynram in India is noted as being the wettest place on earth, with over 11 meters (36 feet) of rain falling every year.
• In contrast, Antofagasta in Chile is among the driest places on the planet, getting less than 0.1mm (0.004 inches) per year, with some years recording virtually no rainfall.
• Nearly 1,650 thunderstorm cells are estimated over the planet at any given time.

For more detailed information about Barra do Sahy's weather, including sunshine hours, humidity levels, and temperature data, visit our Barra do Sahy Climate page.