Trincomalee Climate by Month
Trincomalee, Eastern Province, Sri Lanka
Hot all year, with a rainy season from October to February.
Trincomalee is hot all year, with a rainy season from October to February. Afternoon highs range from 84°F (29°C) in December to 93°F (34°C) in May, and January nights average 74°F (23°C). Of the 63 in (1611 mm) of rain in a typical year, 76% falls from October to February.
- Warmest month
- 93°F(34°C)
- Average high, May
- Coldest nights
- 74°F(23°C)
- Average low, January
- Rain per year
- 63 in(1611 mm)
- Wettest: November
- Humidity
- 76%
- Sunniest: April
Best and worst months in Trincomalee
Best for weatherFebruary, March and June are the best time for weather in Trincomalee: highs near 90°F (32°C) and about 2.1 in (53 mm) of rain a month.
Least pleasantNovember is the least pleasant month: it's the wettest, with 16 in (398 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 March.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Trincomalee weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 85°F(29°C) | 74°F(23°C) | 5.9 in(151 mm) | 79% | 5.1 |
| FebFebruaryBest | 87°F(31°C) | 74°F(24°C) | 3.6 in(91 mm) | 78% | 5.9 |
| MarMarchBest | 90°F(32°C) | 75°F(24°C) | 1.7 in(42 mm) | 79% | 6.3 |
| AprApril | 92°F(34°C) | 77°F(25°C) | 2.6 in(66 mm) | 79% | 6.4 |
| MayMay | 93°F(34°C) | 79°F(26°C) | 2.3 in(58 mm) | 73% | 6.0 |
| JunJuneBest | 93°F(34°C) | 79°F(26°C) | 1.1 in(27 mm) | 68% | 5.9 |
| JulJuly | 93°F(34°C) | 78°F(26°C) | 1.6 in(41 mm) | 67% | 5.8 |
| AugAugust | 93°F(34°C) | 78°F(25°C) | 3.0 in(75 mm) | 68% | 6.2 |
| SepSeptember | 92°F(33°C) | 77°F(25°C) | 3.3 in(85 mm) | 72% | 6.2 |
| OctOctober | 89°F(32°C) | 76°F(24°C) | 9.9 in(251 mm) | 77% | 5.5 |
| NovNovember | 86°F(30°C) | 75°F(24°C) | 16 in(398 mm) | 85% | 4.8 |
| DecDecember | 84°F(29°C) | 74°F(24°C) | 13 in(326 mm) | 82% | 4.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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