El Niño in San Salvador
During El Niño, San Salvador gets on average 22% more rain in February–April than in neutral years (57 mm vs 46 mm).
Weather in San Salvador: next 7 days
San Salvador
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Weather forecast: MET Norway (CC BY 4.0), updated every hour. For official warnings, follow your national weather service.
El Niño is active right now: the El Niño columns show what San Salvador typically sees in this phase.
Monthly rainfall by phase
El NiñoNeutralLa Niña
Month by month
| Month | El Niño | Neutral | La Niña | Change El Niño | Temp. El Niño / neutral |
|---|---|---|---|---|---|
| January | 4 mm | 5 mm | 20 mm | -25% | 26.5 / 26.4 °C |
| February | 4 mm | 6 mm | 13 mm | -34% | 27.0 / 27.1 °C |
| March | 20 mm | 9 mm | 40 mm | +122% | 28.0 / 27.7 °C |
| April | 33 mm | 32 mm | 42 mm | +4% | 28.6 / 28.3 °C |
| May | 145 mm | 157 mm | 137 mm | -7% | 28.1 / 27.8 °C |
| June | 219 mm | 215 mm | 207 mm | +2% | 27.1 / 27.0 °C |
| July | 125 mm | 169 mm | 226 mm | -26% | 27.8 / 27.4 °C |
| August | 146 mm | 205 mm | 266 mm | -29% | 27.8 / 27.1 °C |
| September | 226 mm | 208 mm | 272 mm | +9% | 26.8 / 26.4 °C |
| October | 171 mm | 135 mm | 196 mm | +27% | 26.6 / 26.4 °C |
| November | 49 mm | 47 mm | 54 mm | +4% | 26.7 / 26.6 °C |
| December | 14 mm | 16 mm | 16 mm | -14% | 26.5 / 26.5 °C |
NASA POWER (MERRA-2), 1981–2025, classified by NOAA ONI. Averages, not a forecast.
Frequently asked questions
How does El Niño affect San Salvador?
During El Niño, San Salvador gets on average 22% more rain in February–April than in neutral years (57 mm vs 46 mm).
And La Niña?
In February–April, La Niña years average 95 mm, compared with 46 mm in neutral years.
Where does this data come from?
Monthly rainfall and temperature from NASA POWER (MERRA-2 reanalysis, 1981–2025) at 13.69, -89.22, classified by NOAA's Oceanic Niño Index for each month. These are averages; each event is different.