City in Western Province, Sri Lanka
Negombo weather by month and the best time to visit
When to go to Negombo
Dec–Mar is driest. Apr is hot; May–Sep brings southwest monsoon rain and rough seas; Oct–Nov has inter-monsoon storms.
Negombo weather by month
Average daily high, rainfall and conditions.
- Jan30°76 mm
- Feb31°71 mm
- Mar31°115 mm
- Apr31°226 mm
- May30°224 mm
- Jun29°143 mm
- Jul28°99 mm
- Aug28°113 mm
- Sep29°162 mm
- Oct29°292 mm
- Nov29°304 mm
- Dec29°175 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 30°C85°F | 23°C73°F | 76 mm | 80% | Pleasant |
| February | 31°C87°F | 23°C74°F | 71 mm | 77% | Pleasant |
| March | 31°C89°F | 25°C77°F | 115 mm | 76% | Hot & humid |
| April | 31°C87°F | 26°C79°F | 226 mm | 81% | Rainy |
| May | 30°C85°F | 26°C80°F | 224 mm | 86% | Rainy |
| June | 29°C84°F | 26°C79°F | 143 mm | 87% | Pleasant |
| July | 28°C83°F | 25°C78°F | 99 mm | 87% | Pleasant |
| August | 28°C83°F | 25°C77°F | 113 mm | 86% | Pleasant |
| September | 29°C84°F | 25°C78°F | 162 mm | 85% | Rainy |
| October | 29°C84°F | 25°C77°F | 292 mm | 85% | Rainy |
| November | 29°C84°F | 25°C76°F | 304 mm | 85% | Very wet |
| December | 29°C84°F | 24°C75°F | 175 mm | 84% | Rainy |
Best months across Sri Lanka
| Place | Best months | Warmest month |
|---|---|---|
| Ella | Jan–Mar, Jul–Aug | Aug (27°C) |
| Colombo | Dec–Mar | Mar (31°C) |
| Kandy | Jan–Apr | Apr (30°C) |
| Galle | Dec–Mar | Mar (29°C) |
| Mirissa | Dec–Mar | Mar (30°C) |
| Weligama | Nov–Mar | Mar (30°C) |
| Arugam Bay | May–Sep | Aug (32°C) |
| Sigiriya | Jan–Mar, Jul–Sep | Apr (32°C) |
| Unawatuna | Dec–Mar | Mar (29°C) |
| Hikkaduwa | Dec–Mar | Mar (29°C) |
| Nuwara Eliya | Feb–Apr, Aug | Mar (20°C) |
| Negombo | Dec–Mar | Mar (31°C) |
| Ahangama | Nov–Mar | Mar (30°C) |
| Hiriketiya | Nov–Mar | Mar (30°C) |
| Trincomalee | May–Sep | Aug (32°C) |
| Bentota | Dec–Apr | Mar (30°C) |
| Tangalle | Dec–Apr | Mar (30°C) |
| Jaffna | Feb–Mar, Jul–Aug | Apr (32°C) |
Quick answers
What is the best month to visit Negombo?
Dec–Mar. Dec–Mar is driest. Apr is hot; May–Sep brings southwest monsoon rain and rough seas; Oct–Nov has inter-monsoon storms.
When is the rainy season in Negombo?
Rain peaks in November with about 304 mm. Months with 150 mm or more: Apr–May, Sep–Dec.
What is the hottest month in Negombo?
March, with average highs of 31°C (89°F).
How cold does Negombo get?
The coolest nights are in January, averaging 23°C (73°F).
More about Negombo
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Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 0.8°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.