Negombo, Sri Lanka: Annual Weather Averages
April is the hottest month in Negombo with an average temperature of 28°C (82°F) and the coldest is January at 26°C (79°F). The wettest month is November with an average of 250mm of rain..
Average Temperature: Negombo
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 28 | 28 | 27 | 27 | 26 |
| °F | 79 | 79 | 81 | 82 | 82 | 82 | 81 | 82 | 82 | 81 | 81 | 79 |
Average High/Low Temperature: Negombo
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 31 | 31 | 30 | 31 | 30 | 29 | 28 | 29 | 30 | 30 | 30 | 31 |
| Low °C | 21 | 21 | 24 | 25 | 26 | 26 | 26 | 26 | 25 | 24 | 24 | 21 |
| High °F | 88 | 88 | 86 | 88 | 86 | 84 | 82 | 84 | 86 | 86 | 86 | 88 |
| Low °F | 70 | 70 | 75 | 77 | 79 | 79 | 79 | 79 | 77 | 75 | 75 | 70 |
Average Rainfall: Negombo
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 40 | 70 | 90 | 160 | 150 | 150 | 70 | 80 | 120 | 220 | 250 | 100 |
| Days | 7 | 4 | 7 | 14 | 17 | 13 | 11 | 9 | 13 | 19 | 15 | 9 |
