São Borja weather
Best months for weather: Jun–Aug. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for São Borja, Rio Grande do Sul, Brazil.
Best Time to Visit
Peak season Jun–AugOff season Oct, Dec–Jan
São Borja weather by month
When is the best time to visit São Borja?
Based on weather alone, the best time to visit São Borja is Jun–Aug, according to NASA's 2001–2025 climate averages. Oct, Dec–Jan tends to be the least pleasant. Average highs run from 19°C (67°F) in July to 34°C (92°F) in January.
What is the rainiest month in São Borja?
October is the wettest month, with about 210 mm (8.3 in) of rain on average. August is the driest, with about 78 mm (3.1 in).
What is the hottest month in São Borja?
January is the warmest, with average highs of 34°C (92°F) and lows of 21°C (69°F). July is the coolest, with highs of 19°C (67°F) and lows of 8°C (47°F).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months