San Salvador weather in May
Temperature, rain and sunshine in May: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in May
Fair
Best time to visit: November – March
What is the weather like in San Salvador in May?
In May, San Salvador is hot: daytime highs average 29 °C, and even at night it stays warm at around 22 °C. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 25 days, totalling 240 mm. On about 9 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is a so-so month for a holiday in San Salvador.
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 12 h 45 min05:30 – 18:15
- UV index
- 14 · extremeclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 9 km/haverage daily peakAll months
- Cloud cover
- 75 %on averageAll months
- Hot days
- 9 days30 °C or moreAll months
- Time zone
- UTC−6America/El_Salvador
How the score comes together
- Temperatureweight 50 %74 %
- Sunshineweight 20 %48 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in May
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
San Salvador in May: quick answers
Is San Salvador hot in May?
Yes. In May, San Salvador is hot: daytime highs average 29 °C and nights stay around 22 °C. On about 9 days the thermometer climbs to 30 °C or more.
Does it rain much in San Salvador in May?
It rains often – on about 25 days, adding up to 240 mm.
San Salvador month by month
The whole year in San SalvadorAll destinations: El SalvadorWhere to go in May
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences