Rio Grande Weather & Climate

Brazil

Rio Grande sees feels-like daytime highs peak around 32.1°C in January and nighttime lows bottom out near 12.8°C in July. July is the wettest month (~110 mm), while December is the driest (~80 mm). For sunshine, December leads with about 66% clear skies.

Best time to visit Rio Grande

Based on mild feels-like temperatures and low rain chances, the most comfortable months are October, May, and April — expect around 18.523.9°C with roughly 30% chance of rain on a given day in October.

Rio Grande climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January25.4° / 32.1°34%91 mm65%19.5 kph
February25.3° / 31.9°34%106 mm63%19.1 kph
March23.9° / 30.4°31%101 mm64%18.8 kph
April20.1° / 26.4°29%103 mm59%18.5 kph
May16.4° / 22.4°27%97 mm53%18.1 kph
June13.8° / 19.7°30%103 mm50%18.1 kph
July12.8° / 18.7°32%110 mm54%18.4 kph
August13.8° / 19.8°30%102 mm55%18.8 kph
September15.3° / 21.3°30%110 mm57%20.1 kph
October18.5° / 23.9°30%101 mm58%20.4 kph
November21.4° / 27.7°28%85 mm64%20.2 kph
December24° / 30.5°29%80 mm66%19.9 kph

Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).

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