Colombo weather in March
March in Colombo: sweltering, rainy, with poor air quality — a good time to visit.
#3 of 12 months in Colombo · #486 of 604 destinations to visit in March · comfort 64/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Colombo climate normals — March
| Daytime high | 32°C / 90°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Feels like (high) | 38°C / 100°F | |
| Rainfall | 95 mm / 3.7 in | 🌧 rainy |
| Rainy days | 16 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 10.5 h/day | |
| Daylight | 12.1 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 111 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Colombo in March — FAQ
- Is March a good time to visit Colombo?
- March in Colombo: sweltering, rainy, with poor air quality — a good time to visit. It ranks #3 of 12 months for Colombo on SeasonMap's comfort score (64/100).
- What is the weather like in Colombo in March?
- In March, Colombo averages a daily high of 32.1°C and a low of 24.7°C, with about 94.7 mm of rain over roughly 15.6 rainy days.
- What is the air quality in Colombo in March?
- Colombo has a mean US Air Quality Index of about 111 in March.