Colombo weather in January
January in Colombo: sweltering, a little rain — one of the best months to visit.
#1 of 12 months in Colombo · #263 of 604 destinations to visit in January · comfort 72/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Colombo climate normals — January
| Daytime high | 31°C / 87°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 23°C / 74°F | |
| Feels like (high) | 35°C / 95°F | |
| Rainfall | 78 mm / 3.1 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 21°C / 70°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 11.8 h | |
| Wind | 14 km/h / 8 mph | |
| Air quality (US AQI) | 97 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Colombo?
Loading map…
Colombo in January — FAQ
- Is January a good time to visit Colombo?
- January in Colombo: sweltering, a little rain — one of the best months to visit. It ranks #1 of 12 months for Colombo on SeasonMap's comfort score (72/100).
- What is the weather like in Colombo in January?
- In January, Colombo averages a daily high of 30.8°C and a low of 23.1°C, with about 78.1 mm of rain over roughly 8.2 rainy days.
- What is the air quality in Colombo in January?
- Colombo has a mean US Air Quality Index of about 97 in January.