Dehiwala-Mount Lavinia Climate by Month
Dehiwala-Mount Lavinia, Western Province, Sri Lanka
Hot all year, with rain spread through the year.
The climate in Dehiwala-Mount Lavinia is hot all year, with rain spread through the year. Afternoon highs range from 87°F (30°C) in July to 91°F (33°C) in April, and January nights average 73°F (23°C). About 108 in (2740 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 91°F(33°C)
- Average high, April
- Coldest nights
- 73°F(23°C)
- Average low, January
- Rain per year
- 108 in(2740 mm)
- No clear rainy season
- Humidity
- 78%
- Sunniest: March
Best and worst months in Dehiwala-Mount Lavinia
Best for weatherJanuary, February and August are the best time for weather in Dehiwala-Mount Lavinia: highs near 88°F (31°C) and about 3.9 in (98 mm) of rain a month.
Least pleasantOctober is the least pleasant month: it's the wettest, with 18 in (459 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in January.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Dehiwala-Mount Lavinia weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuaryBest | 89°F(32°C) | 73°F(23°C) | 3.1 in(78 mm) | 72% | 4.9 |
| FebFebruaryBest | 90°F(32°C) | 74°F(23°C) | 3.8 in(97 mm) | 73% | 5.4 |
| MarMarch | 90°F(32°C) | 76°F(24°C) | 5.7 in(145 mm) | 75% | 5.8 |
| AprApril | 91°F(33°C) | 77°F(25°C) | 11 in(291 mm) | 79% | 5.5 |
| MayMay | 89°F(32°C) | 79°F(26°C) | 14 in(367 mm) | 81% | 5.0 |
| JunJune | 88°F(31°C) | 78°F(26°C) | 8.3 in(210 mm) | 80% | 4.9 |
| JulJuly | 87°F(30°C) | 78°F(26°C) | 5.4 in(137 mm) | 79% | 5.0 |
| AugAugustBest | 87°F(31°C) | 78°F(26°C) | 4.7 in(119 mm) | 79% | 5.2 |
| SepSeptember | 87°F(31°C) | 77°F(25°C) | 9.3 in(235 mm) | 80% | 5.2 |
| OctOctober | 87°F(31°C) | 76°F(24°C) | 18 in(459 mm) | 81% | 4.8 |
| NovNovember | 88°F(31°C) | 75°F(24°C) | 16 in(418 mm) | 80% | 4.5 |
| DecDecember | 88°F(31°C) | 74°F(23°C) | 7.2 in(184 mm) | 75% | 4.4 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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