United States of America
San Antonio sees feels-like daytime highs peak around 42.2°C in July and nighttime lows bottom out near 7.8°C in January. May is the wettest month (~88 mm), while February is the driest (~38 mm). For sunshine, June leads with about 70% clear skies.
Based on mild feels-like temperatures and low rain chances, the most comfortable months are March, November, and April — expect around 14.5–25.9°C with roughly 18% chance of rain on a given day in March.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January | 7.8° / 18.6° | 14% | 39 mm | 55% | 14.8 kph |
| February | 10.8° / 21.5° | 14% | 38 mm | 57% | 15.5 kph |
| March☀ | 14.5° / 25.9° | 18% | 50 mm | 60% | 16.3 kph |
| April☀ | 19.1° / 30.4° | 20% | 54 mm | 63% | 16.6 kph |
| May | 24.8° / 36.8° | 29% | 88 mm | 67% | 16.1 kph |
| June | 28.4° / 39.9° | 27% | 79 mm | 70% | 15.3 kph |
| July | 29.8° / 42.2° | 19% | 50 mm | 60% | 14.5 kph |
| August | 29.7° / 42° | 18% | 47 mm | 56% | 13.5 kph |
| September | 26.8° / 38.2° | 24% | 65 mm | 63% | 13.1 kph |
| October | 20.8° / 32.1° | 22% | 74 mm | 70% | 14.1 kph |
| November☀ | 14.6° / 25.3° | 17% | 52 mm | 65% | 14.6 kph |
| December | 9.5° / 19.1° | 14% | 42 mm | 57% | 14.6 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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