Jaffna Climate by Month
Jaffna, Northern Province, Sri Lanka
Warm all year, with a rainy season from October to January.
Warm all year, with a rainy season from October to January: that's Jaffna's climate in short. Afternoon highs range from 83°F (29°C) in December to 93°F (34°C) in May, and February nights average 73°F (23°C). It gets 61 in (1539 mm) of rain a year, 75% of it from October to January.
- Warmest month
- 93°F(34°C)
- Average high, May
- Coldest nights
- 73°F(23°C)
- Average low, February
- Rain per year
- 61 in(1539 mm)
- Wettest: November
- Humidity
- 77%
- Sunniest: March
Best and worst months in Jaffna
Best for weatherJanuary and February are the best time for weather in Jaffna: highs near 85°F (30°C) and about 2.6 in (66 mm) of rain a month.
Least pleasantNovember is the least pleasant month: it's the wettest, with 18 in (460 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 February.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Jaffna weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuaryBest | 84°F(29°C) | 73°F(23°C) | 4.0 in(102 mm) | 78% | 5.3 |
| FebFebruaryBest | 87°F(30°C) | 73°F(23°C) | 1.1 in(29 mm) | 77% | 6.0 |
| MarMarch | 90°F(32°C) | 75°F(24°C) | 1.7 in(42 mm) | 76% | 6.4 |
| AprApril | 92°F(34°C) | 79°F(26°C) | 3.6 in(92 mm) | 77% | 6.3 |
| MayMay | 93°F(34°C) | 81°F(27°C) | 2.9 in(73 mm) | 74% | 6.0 |
| JunJune | 92°F(33°C) | 80°F(27°C) | 0.6 in(14 mm) | 71% | 5.7 |
| JulJuly | 91°F(33°C) | 80°F(26°C) | 0.9 in(23 mm) | 72% | 5.5 |
| AugAugust | 91°F(33°C) | 79°F(26°C) | 2.1 in(54 mm) | 74% | 5.7 |
| SepSeptember | 90°F(32°C) | 78°F(26°C) | 2.3 in(59 mm) | 75% | 5.8 |
| OctOctober | 89°F(31°C) | 76°F(25°C) | 11 in(283 mm) | 79% | 5.2 |
| NovNovember | 86°F(30°C) | 75°F(24°C) | 18 in(460 mm) | 85% | 4.8 |
| DecDecember | 83°F(29°C) | 74°F(24°C) | 12 in(308 mm) | 83% | 4.8 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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