San Salvador, El Salvador Weather
San Salvador hourly forecast: next 24 hours
Today's high of 87°F (31°C) is about 3°F (2°C) above the typical August high of 84°F (29°C).
Current conditions in detail
San Salvador weather tomorrow (Friday, August 28)
Tomorrow in San Salvador looks overcast, with a high of 88° and an overnight low of 65°. Rain is unlikely (11% chance). Winds top out near 5 mph, and the UV index reaches 8 (very high).
San Salvador 14-day forecast
About the weather in San Salvador
Temperature barely moves in San Salvador - 2°C between the average April and the average October. Rainfall does the work instead: 11.4 inches (291 mm) in June against 4 mm (0.2 in) in February.
San Salvador weather: quick facts
- Hottest month: April - highs near 88°F (31°C)
- Coldest month: October - highs near 82°F (28°C)
- Decade extremes (2015-2024): 99°F (37°C) high · 58°F (15°C) low
- Wettest month: June (27 rainy days) · Sunniest: March (11.8 h sun/day)
- Climate type: tropical wet-and-dry
- Annual swing: 2°C between the average warmest and coolest month · day to night: 9°C
- Months averaging 30°C or hotter: 4
- Average humidity: 75%
Temperatures through the year
October sits at the other end of the year: 82°F (28°C) by day, 70°F (21°C) at night. April is the warm end of the year, averaging 88°F (31°C) by day and 71°F (22°C) overnight. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 99°F (37°C) and the lowest daily minimum 58°F (15°C). March is the brightest month at 11.8 hours of sun a day, against an annual average of 10.6 - sunnier than roughly 85% of the cities we track.
Rain, sun and snow
The wettest month is June (11.4 inches (291 mm) across 27 days) and the driest February. 4 months average under 20 mm of rain, the longest unbroken stretch running December through March.
Season by season
March through May
March through May in San Salvador runs hot, with daytime highs averaging 87°F (31°C) and nights around 70°F (21°C); rain falls on around 48 of the 90 days. Daylight is generous - around 11.4 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
June through August
June through August sits firmly in the heat here - highs near 84°F (29°C), nights near 71°F (22°C), and rain falls on around 78 of the 90 days. Daylight is generous - around 10.1 hours of sun a day.
September through November
September through November brings hot afternoons here - highs near 82°F (28°C), nights near 70°F (21°C), and rain falls on around 68 of the 90 days.
December through February
December through February in San Salvador brings hot afternoons, with daytime highs averaging 87°F (31°C) and nights around 67°F (20°C); precipitation is sparse, near 23 mm (0.9 in) for the season. Daylight is generous - around 11.1 hours of sun a day.
Average temperatures in San Salvador by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 87° | 67° | 2 | 0.2 in | 11.1 h/day | 61% |
| February | 89° | 67° | 1 | 0.2 in | 11.5 h/day | 60% |
| March | 89° | 69° | 6 | 0.7 in | 11.8 h/day | 61% |
| April | 88° | 71° | 16 | 2.6 in | 11.7 h/day | 69% |
| May | 85° | 71° | 26 | 8.3 in | 10.6 h/day | 81% |
| June | 82° | 71° | 27 | 11.4 in | 9.0 h/day | 86% |
| July | 85° | 71° | 24 | 6.6 in | 10.9 h/day | 80% |
| August | 84° | 71° | 26 | 9.2 in | 10.5 h/day | 84% |
| September | 82° | 70° | 29 | 11.3 in | 9.6 h/day | 88% |
| October | 82° | 70° | 26 | 9.6 in | 9.2 h/day | 86% |
| November | 83° | 69° | 14 | 4.0 in | 10.2 h/day | 77% |
| December | 86° | 68° | 4 | 0.5 in | 10.8 h/day | 66% |