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Mawanella Weather by Month
Average temperatures, rainfall and humidity for Mawanella, Sri Lanka, month by month, built from OpenWeather’s historical records. Use it to see what a typical Mawanella month looks like before you travel — then check the live Mawanella forecast for the days ahead.
Warmest month
July
28°C average high
Coolest month
January
15°C average low
Wettest month
November
176 mm of rain
Driest month
February
44 mm of rain
Average temperature and rainfall in Mawanella 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 | 25°C | 15°C | -2°C / 34°C | 57 mm | 77% | 9 km/h |
| February | 26°C | 15°C | 1°C / 35°C | 44 mm | 76% | 9 km/h |
| March | 27°C | 16°C | 4°C / 37°C | 103 mm | 74% | 8 km/h |
| April | 28°C | 18°C | 7°C / 37°C | 153 mm | 78% | 7 km/h |
| May | 27°C | 19°C | 9°C / 37°C | 105 mm | 78% | 9 km/h |
| June | 27°C | 21°C | 11°C / 33°C | 65 mm | 78% | 10 km/h |
| July | 28°C | 21°C | 17°C / 36°C | 67 mm | 77% | 10 km/h |
| August | 28°C | 21°C | 18°C / 34°C | 89 mm | 79% | 9 km/h |
| September | 28°C | 20°C | 13°C / 34°C | 85 mm | 78% | 10 km/h |
| October | 27°C | 19°C | 8°C / 34°C | 133 mm | 82% | 8 km/h |
| November | 25°C | 17°C | 4°C / 33°C | 176 mm | 81% | 8 km/h |
| December | 25°C | 15°C | 4°C / 32°C | 95 mm | 79% | 9 km/h |
Best time to visit Mawanella
The most comfortable time to visit Mawanella is generally December to February, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around November, totalling about 1,173 mm a year.
Travellers who prefer heat should aim for July, when highs average 28°C. November is the month to avoid if rain would spoil your plans — it averages 176 mm, roughly 4× the rainfall of the driest month (February).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Mawanella forecast for what is happening now.
Weather across Sri Lanka right now
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