Rio Grande City Weather & Climate

United States of America

Rio Grande City sees feels-like daytime highs peak around 46°C in July and nighttime lows bottom out near 12.2°C in January. September is the wettest month (~82 mm), while February is the driest (~20 mm). For sunshine, May leads with about 71% clear skies.

Best time to visit Rio Grande City

Based on mild feels-like temperatures and low rain chances, the most comfortable months are February, December, and November — expect around 15.626.4°C with roughly 9% chance of rain on a given day in February.

Rio Grande City climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January12.2° / 22.8°10%21 mm56%15.1 kph
February15.6° / 26.4°9%20 mm60%16.6 kph
March19.3° / 31.4°10%24 mm62%18.5 kph
April23.2° / 35.8°14%30 mm63%19.6 kph
May28.5° / 41.2°21%55 mm71%20.1 kph
June30.7° / 44.6°22%55 mm69%20.5 kph
July31.8° / 46°17%42 mm53%20.5 kph
August31.5° / 44.4°22%51 mm49%18.1 kph
September29.1° / 41.9°31%82 mm54%15.2 kph
October23.6° / 35.5°21%56 mm65%15.2 kph
November18.4° / 29.8°11%29 mm66%15.2 kph
December13.4° / 24°10%20 mm58%14.8 kph

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

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