Usulután Weather & Climate

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.

Best time to visit Usulután

Based on mild feels-like temperatures and low rain chances, the most comfortable months are January, February, and March — expect around 27.837.9°C with roughly 1% chance of rain on a given day in January.

Usulután climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January27.8° / 37.9°1%1 mm77%12.2 kph
February28° / 38.8°1%1 mm75%12.3 kph
March28.7° / 38.7°2%3 mm67%11.8 kph
April29.8° / 39.8°8%17 mm44%10.8 kph
May31.3° / 39.8°27%88 mm17%9.6 kph
June30.7° / 39.2°39%128 mm11%9.1 kph
July30.3° / 39.7°35%107 mm17%9.4 kph
August30.7° / 40.2°40%123 mm18%9.1 kph
September30.8° / 39.5°44%149 mm15%9 kph
October29.9° / 39.5°32%115 mm22%9.2 kph
November29.4° / 40.1°10%29 mm45%10.2 kph
December28.7° / 39°3%4 mm69%11.5 kph

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

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