San Salvador weather in January
January in San Salvador: hot, dry, with clean air — one of the best months to visit.
#1 of 12 months in San Salvador · #53 of 604 destinations to visit in January · comfort 88/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
San Salvador climate normals — January
| Daytime high | 31°C / 87°F | 🥵 hot |
|---|---|---|
| Nighttime low | 20°C / 68°F | |
| Feels like (high) | 32°C / 90°F | |
| Rainfall | 3 mm / 0.1 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 64% | 💧 humid |
| Dew point | 16°C / 61°F | |
| Sunshine | 10.3 h/day | |
| Daylight | 11.4 h | |
| Wind | 12 km/h / 8 mph | |
| Air quality (US AQI) | 43 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is San Salvador?
Loading map…
San Salvador in January — FAQ
- Is January a good time to visit San Salvador?
- January in San Salvador: hot, dry, with clean air — one of the best months to visit. It ranks #1 of 12 months for San Salvador on SeasonMap's comfort score (88/100).
- What is the weather like in San Salvador in January?
- In January, San Salvador averages a daily high of 30.7°C and a low of 19.8°C, with about 2.6 mm of rain over roughly 0.6 rainy days.
- What is the air quality in San Salvador in January?
- San Salvador has a mean US Air Quality Index of about 43 in January.