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Colombo Weather by Month
Average temperatures, rainfall and humidity for Colombo, Brazil, month by month, built from OpenWeather’s historical records. Use it to see what a typical Colombo month looks like before you travel — then check the live Colombo forecast for the days ahead.
Warmest month
January
26°C average high
Coolest month
July
9°C average low
Wettest month
October
67 mm of rain
Driest month
July
31 mm of rain
Average temperature and rainfall in Colombo by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 26°C | 17°C | 12°C / 34°C | 56 mm | 84% | 9 km/h |
| February | 26°C | 17°C | 11°C / 34°C | 48 mm | 84% | 8 km/h |
| March | 26°C | 17°C | 10°C / 32°C | 58 mm | 86% | 8 km/h |
| April | 23°C | 14°C | 3°C / 31°C | 37 mm | 85% | 8 km/h |
| May | 21°C | 12°C | 0°C / 29°C | 43 mm | 85% | 7 km/h |
| June | 19°C | 10°C | -3°C / 27°C | 45 mm | 86% | 7 km/h |
| July | 20°C | 9°C | -18°C / 27°C | 31 mm | 82% | 7 km/h |
| August | 21°C | 10°C | -2°C / 30°C | 56 mm | 80% | 8 km/h |
| September | 23°C | 12°C | 4°C / 34°C | 42 mm | 80% | 9 km/h |
| October | 23°C | 14°C | 6°C / 36°C | 67 mm | 85% | 9 km/h |
| November | 24°C | 15°C | 6°C / 35°C | 52 mm | 84% | 9 km/h |
| December | 26°C | 17°C | 9°C / 36°C | 52 mm | 83% | 9 km/h |
Best time to visit Colombo
The most comfortable time to visit Colombo is generally April, September and November, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around October, totalling about 587 mm a year.
Travellers who prefer heat should aim for January, when highs average 26°C. October is the month to avoid if rain would spoil your plans — it averages 67 mm, roughly 2× the rainfall of the driest month (July).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Colombo forecast for what is happening now.