Negombo Climate by Month
Negombo, Western Province, Sri Lanka
Hot all year, with rain spread through the year.
Hot all year, with rain spread through the year: that's Negombo's climate in short. Expect highs of 91°F (33°C) in March and 87°F (30°C) in July, with the coldest nights (January) near 72°F (22°C). About 87 in (2211 mm) of rain falls in a typical year, with no clear rainy season. The air is humid, averaging 79% relative humidity.
- Warmest month
- 91°F(33°C)
- Average high, March
- Coldest nights
- 72°F(22°C)
- Average low, January
- Rain per year
- 87 in(2211 mm)
- No clear rainy season
- Humidity
- 79%
- Sunniest: March
Best and worst months in Negombo
Best for weatherThe most comfortable weather comes in January, July and August, with highs around 87°F (31°C) and about 3.0 in (77 mm) of rain a month.
Least pleasantOctober is the least pleasant month: it's the wettest, with 15 in (389 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)
Negombo weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuaryBest | 89°F(31°C) | 72°F(22°C) | 2.1 in(53 mm) | 74% | 5.0 |
| FebFebruary | 90°F(32°C) | 73°F(23°C) | 2.8 in(72 mm) | 74% | 5.5 |
| MarMarch | 91°F(33°C) | 75°F(24°C) | 5.4 in(138 mm) | 75% | 6.0 |
| AprApril | 91°F(33°C) | 77°F(25°C) | 9.9 in(252 mm) | 79% | 5.7 |
| MayMay | 89°F(32°C) | 78°F(26°C) | 12 in(307 mm) | 81% | 5.2 |
| JunJune | 87°F(31°C) | 78°F(26°C) | 5.7 in(144 mm) | 81% | 5.1 |
| JulJulyBest | 87°F(30°C) | 78°F(26°C) | 3.9 in(99 mm) | 80% | 5.2 |
| AugAugustBest | 87°F(31°C) | 78°F(25°C) | 3.1 in(78 mm) | 80% | 5.3 |
| SepSeptember | 87°F(31°C) | 77°F(25°C) | 6.9 in(176 mm) | 80% | 5.4 |
| OctOctober | 87°F(31°C) | 76°F(24°C) | 15 in(389 mm) | 82% | 5.0 |
| NovNovember | 87°F(31°C) | 75°F(24°C) | 14 in(347 mm) | 81% | 4.6 |
| DecDecember | 87°F(30°C) | 73°F(23°C) | 6.1 in(156 mm) | 80% | 4.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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