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.
Based on mild feels-like temperatures and low rain chances, the most comfortable months are February, December, and November — expect around 15.6–26.4°C with roughly 9% chance of rain on a given day in February.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January | 12.2° / 22.8° | 10% | 21 mm | 56% | 15.1 kph |
| February☀ | 15.6° / 26.4° | 9% | 20 mm | 60% | 16.6 kph |
| March | 19.3° / 31.4° | 10% | 24 mm | 62% | 18.5 kph |
| April | 23.2° / 35.8° | 14% | 30 mm | 63% | 19.6 kph |
| May | 28.5° / 41.2° | 21% | 55 mm | 71% | 20.1 kph |
| June | 30.7° / 44.6° | 22% | 55 mm | 69% | 20.5 kph |
| July | 31.8° / 46° | 17% | 42 mm | 53% | 20.5 kph |
| August | 31.5° / 44.4° | 22% | 51 mm | 49% | 18.1 kph |
| September | 29.1° / 41.9° | 31% | 82 mm | 54% | 15.2 kph |
| October | 23.6° / 35.5° | 21% | 56 mm | 65% | 15.2 kph |
| November☀ | 18.4° / 29.8° | 11% | 29 mm | 66% | 15.2 kph |
| December☀ | 13.4° / 24° | 10% | 20 mm | 58% | 14.8 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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