San Salvador weather in March
March in San Salvador: sweltering, dry — an excellent time to visit.
#4 of 12 months in San Salvador · #225 of 604 destinations to visit in March · comfort 80/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
San Salvador climate normals — March
| Daytime high | 32°C / 90°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 21°C / 70°F | |
| Feels like (high) | 34°C / 93°F | |
| Rainfall | 8 mm / 0.3 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 65% | 💧 humid |
| Dew point | 17°C / 63°F | |
| Sunshine | 11.2 h/day | |
| Daylight | 12.1 h | |
| Wind | 12 km/h / 7 mph | |
| Air quality (US AQI) | 54 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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San Salvador in March — FAQ
- Is March a good time to visit San Salvador?
- March in San Salvador: sweltering, dry — an excellent time to visit. It ranks #4 of 12 months for San Salvador on SeasonMap's comfort score (80/100).
- What is the weather like in San Salvador in March?
- In March, San Salvador averages a daily high of 32.2°C and a low of 21°C, with about 8.1 mm of rain over roughly 3.2 rainy days.
- What is the air quality in San Salvador in March?
- San Salvador has a mean US Air Quality Index of about 54 in March.