Climate averages 1991–2020
San Miguel, El Salvador weather
in August.
A hot, very wet month: the 8th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in San Miguel, El Salvador: daytime highs average 32.6°C and nights cool to about 24.1°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 271 mm of rain on roughly 23 days, which makes August a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 34 min on an average August day.
The nearest other city in this atlas is Soyapango (107 km away). In August its highs average 28.8°C, 3.9°C cooler than San Miguel, El Salvador, with 230 mm of rain.
Among the 6 cities listed in El Salvador, San Miguel, El Salvador ranks 1st of 6 for the warmest August highs and 6th of 6 for the driest August (rainfall, lowest first). The mean August high of those 6 cities is 29.7°C; San Miguel, El Salvador is 3.0°C warmer than that mean.
From August to September, average highs fall by 1.8°C to 30.9°C, and monthly rainfall rises from 271 mm to 343 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
San Miguel, El Salvador climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 34.7°C22.4°C | 22.4°C | 1.2 | 0.4 | 11.411 h |
| February | 35.7°C23.3°C | 23.3°C | 1.4 | 0.3 | 11.712 h |
| March | 36.1°C24.5°C | 24.5°C | 8.6 | 2.1 | 12.012 h |
| April | 35.5°C25.6°C | 25.6°C | 44 | 9.1 | 12.412 h |
| May | 33.1°C25.0°C | 25.0°C | 258 | 22.7 | 12.713 h |
| June | 31.6°C24.0°C | 24.0°C | 291 | 23.6 | 12.913 h |
| July | 33.2°C24.1°C | 24.1°C | 194 | 18.9 | 12.813 h |
| August, selected | 32.6°C24.1°C | 24.1°C | 271 | 22.5 | 12.613 h |
| September | 30.9°C23.6°C | 23.6°C | 343 | 26.7 | 12.212 h |
| October | 30.3°C23.1°C | 23.1°C | 304 | 24.0 | 11.812 h |
| November | 31.5°C22.3°C | 22.3°C | 61 | 8.8 | 11.512 h |
| December | 33.6°C22.0°C | 22.0°C | 5.7 | 1.3 | 11.311 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Soyapango in AugustEl Salvador · 107 kmHigh 28.8°C · Low 21.7°C · 230 mm rain
- Ciudad Choluteca in AugustHonduras · 110 kmHigh 33.4°C · Low 24.2°C · 286 mm rain
- San Salvador in AugustEl Salvador · 111 kmHigh 28.9°C · Low 21.3°C · 230 mm rain
- Apopa in AugustEl Salvador · 114 kmHigh 30.9°C · Low 22.6°C · 230 mm rain
- Santa Tecla in AugustEl Salvador · 121 kmHigh 27.0°C · Low 19.4°C · 230 mm rain
- Tegucigalpa in AugustHonduras · 125 kmHigh 28.0°C · Low 19.7°C · 189 mm rain
- Siguatepeque in AugustHonduras · 130 kmHigh 25.6°C · Low 18.2°C · 286 mm rain
- Chinandega in AugustNicaragua · 148 kmHigh 31.5°C · Low 25.0°C · 249 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for San Miguel) is explained once on the San Miguel, El Salvador year overview and on the Sources, method and limits page.