Click on a day for an hourly weather forecast
The weather in San Salvador in May is very hot. The average temperatures are between 25°C and 32°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of May in San Salvador. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in San Salvador in May 2025.
If you’re planning to visit San Salvador in the near future, we highly recommend that you review the 14 day weather forecast for San Salvador before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 33° / 23° | 0 | 31 | 0 | 6 mm | Good | San Salvador in January |
| February | 33° / 23° | 1 | 28 | 0 | 12 mm | Good | San Salvador in February |
| March | 33° / 24° | 1 | 30 | 0 | 16 mm | Good | San Salvador in March |
| April | 32° / 25° | 5 | 25 | 0 | 97 mm | Good | San Salvador in April |
| May | 32° / 25° | 13 | 18 | 0 | 337 mm | Ok | San Salvador in May |
| June | 31° / 24° | 14 | 16 | 0 | 377 mm | Ok | San Salvador in June |
| July | 32° / 24° | 12 | 19 | 0 | 233 mm | Ok | San Salvador in July |
| August | 32° / 24° | 15 | 16 | 0 | 357 mm | Ok | San Salvador in August |
| September | 31° / 24° | 17 | 13 | 0 | 383 mm | Ok | San Salvador in September |
| October | 31° / 24° | 14 | 17 | 0 | 385 mm | Ok | San Salvador in October |
| November | 32° / 23° | 4 | 26 | 0 | 82 mm | Good | San Salvador in November |
| December | 33° / 22° | 0 | 31 | 0 | 14 mm | Good | San Salvador in December |