El Salvador
Usulután sees feels-like daytime highs peak around 40.2°C in August and nighttime lows bottom out near 27.8°C in January. September is the wettest month (~149 mm), while January is the driest (~1 mm). For sunshine, January leads with about 77% clear skies.
Based on mild feels-like temperatures and low rain chances, the most comfortable months are January, February, and March — expect around 27.8–37.9°C with roughly 1% chance of rain on a given day in January.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January☀ | 27.8° / 37.9° | 1% | 1 mm | 77% | 12.2 kph |
| February☀ | 28° / 38.8° | 1% | 1 mm | 75% | 12.3 kph |
| March☀ | 28.7° / 38.7° | 2% | 3 mm | 67% | 11.8 kph |
| April | 29.8° / 39.8° | 8% | 17 mm | 44% | 10.8 kph |
| May | 31.3° / 39.8° | 27% | 88 mm | 17% | 9.6 kph |
| June | 30.7° / 39.2° | 39% | 128 mm | 11% | 9.1 kph |
| July | 30.3° / 39.7° | 35% | 107 mm | 17% | 9.4 kph |
| August | 30.7° / 40.2° | 40% | 123 mm | 18% | 9.1 kph |
| September | 30.8° / 39.5° | 44% | 149 mm | 15% | 9 kph |
| October | 29.9° / 39.5° | 32% | 115 mm | 22% | 9.2 kph |
| November | 29.4° / 40.1° | 10% | 29 mm | 45% | 10.2 kph |
| December | 28.7° / 39° | 3% | 4 mm | 69% | 11.5 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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