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São Borja Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit São Borja.
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Climate overview of São Borja
The climate in São Borja, Rio Grande do Sul, Brazil, is marked by large temperature swings across the seasons, ranging from 33°C (91°F) in January to 21°C (70°F) in July.
Rainfall is high, totalling around 1780 mm (70 in) per year. October is the wettest month and August the driest. The city also experiences very warm summers and pleasant winters.
São Borja Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in São Borja - and find the best time to visit.
Monthly Temperature in São Borja
In São Borja, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a very warm 33°C (91°F) in January, the warmest time of the year, to a pleasant 21°C (70°F) during cooler months like July.
At night, you can expect temperatures ranging from 22°C (72°F) in January to around 10°C (50°F) during July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in São Borja
São Borja experiences significant rainfall throughout the year, averaging 1780 mm (70 in) of precipitation annually. While rainfall varies throughout the year, each season offers its own charm. October brings wetter days averaging 215 mm (8.5 in) of precipitation, spread over 11 rainy days.
In contrast, the driest month August experiences a drier climate, with about 104 mm (4.1 in) of rainfall spread across 11 rainy days. For more details, please visit our São Borja Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit São Borja
For comfortable weather, consider visiting São Borja in April, May, June, July, August and September. Conditions are usually least favourable in January and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
wet
Feb
mixed
Mar
mixed
Apr
very good
May
very good
Jun
very good
Jul
very good
Aug
very good
Sep
very good
Oct
mixed
Nov
mixed
Dec
wet
- Best overall: April, May, June, July, August and September
- Warmest weather: January, February and December
- Seasonal pattern: Very warm summers and pleasant winters
Frequently asked questions about the climate in São Borja
What is the best time to visit São Borja?
April, May, June, July, August and September typically offer the most optimal weather in São Borja. In contrast, January and December tend to have less optimal conditions. São Borja has very warm summers and pleasant winters.
What temperatures can I expect in São Borja?
Daytime highs range from 21°C (70°F) in July to 33°C (91°F) in January. Nighttime lows range from 10°C (50°F) to 22°C (72°F). Temperatures vary considerably through the year.
How much rain does São Borja get?
Annual rainfall is around 1780 mm (70 in). October is the wettest month with 215 mm (8.5 in), while August is the driest with 104 mm (4.1 in).
São Borja 3-Day Forecast
São Borja on the map
São Borja is highlighted - select any city to see its climate.
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