Weatheo

Santa Tecla Weather by Month

Average temperatures, rainfall and humidity for Santa Tecla, El Salvador, month by month, built from OpenWeather’s historical records. Use it to see what a typical Santa Tecla month looks like before you travel — then check the live Santa Tecla forecast for the days ahead.

Warmest month

March

31°C average high

Coolest month

January

18°C average low

Wettest month

September

141 mm of rain

Driest month

February

2 mm of rain

Average temperature and rainfall in Santa Tecla by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January30°C18°C11°C / 36°C
8 mm
69%9 km/h
February30°C19°C10°C / 35°C
2 mm
66%9 km/h
March31°C20°C13°C / 37°C
24 mm
67%8 km/h
April31°C21°C14°C / 36°C
40 mm
72%7 km/h
May30°C21°C17°C / 34°C
114 mm
82%6 km/h
June29°C21°C14°C / 34°C
138 mm
86%6 km/h
July30°C20°C16°C / 34°C
72 mm
81%7 km/h
August30°C20°C16°C / 35°C
123 mm
84%6 km/h
September29°C20°C16°C / 33°C
141 mm
88%6 km/h
October28°C20°C15°C / 33°C
132 mm
87%6 km/h
November29°C19°C14°C / 35°C
27 mm
78%8 km/h
December29°C19°C12°C / 36°C
11 mm
72%9 km/h

Best time to visit Santa Tecla

The most comfortable time to visit Santa Tecla is generally November to January, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around September, totalling about 831 mm a year.

Travellers who prefer heat should aim for March, when highs average 31°C. September is the month to avoid if rain would spoil your plans — it averages 141 mm, roughly 84× the rainfall of the driest month (February).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Santa Tecla forecast for what is happening now.

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