Weather in San Salvador in August 2025
Average weather
Average temperature in San Salvador in August
The temperature in August is +86°F on average, with a range between a maximum of +91°F during the day and a minimum of +68°F at night.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +86°F to +86°F.
Is San Salvador warm or cold in August?
San Salvador is typically warm in August.
Maximum temperatures go up compared to the previous month from +84°F to +84°F. The minimum temperature also goes up from +70°F to +70°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how August is compared to other months in San Salvador:
Climate in San Salvador in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +84°F | +84°F | +82°F | ||||
| Min. temperature | ||||||
| +64°F | +64°F | +63°F | ||||
| Max. temperature | ||||||
| +91°F | +91°F | +91°F | ||||
| Rainfall | ||||||
| 224 mm | 268 mm | 336 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 81% | 83% | 85% | ||||
| Air pressure | ||||||
| 1013 HPa | 1012 HPa | 1012 HPa | ||||
| Sunny days | ||||||
| 1 | 0 | 0 | ||||
| Cloudy days | ||||||
| 2 | 1 | 0 | ||||
| Rainy days | ||||||
| 18 | 17 | 17 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. The temperature levels stay the same in the area of +84°F for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 224 mm to 268 mm. Humidity rises from 81% to 83%. The average wind speed doesn’t change much during August, staying around 1 m/s. The days becoming less sunny, going from 1 sunny days in July to 0 in August.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in San Salvador is gradually increasing during August, going from 1 m/s to 1 m/s over the course of the month.
Rain
How was the weather last August in San Salvador?
Climate Change Over the Years
The climate in San Salvador in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1984 (+82°F) and the highest in 2016 (+86°F). The driest year was 2001 with only 1181 mm of rainfall, and the wettest year was 2020 with 3143 mm.
FAQ
Is August a good time to visit San Salvador?
Can you sunbathe in San Salvador in August?
Is San Salvador rainy in August?
Is it sunny in San Salvador in August?
Monthly weather in San Salvador
Source of the data
For this page, we’ve looked at the typical weather in San Salvador, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.