Chilaw Climate: Weather by Month and Best Time to Visit
Best months for Chilaw: January, February.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 30°C | 24°C | 37 mm | 6 | – | – | 8.2 |
| February | 31°C | 24°C | 36 mm | 6 | – | – | 7.9 |
| March | 31°C | 26°C | 68 mm | 14 | – | – | 6.7 |
| April | 30°C | 26°C | 153 mm | 25 | – | – | 5.8 |
| May | 30°C | 27°C | 222 mm | 28 | – | – | 5.9 |
| June | 29°C | 26°C | 185 mm | 26 | – | – | 6.1 |
| July | 28°C | 26°C | 133 mm | 23 | – | – | 6.1 |
| August | 28°C | 26°C | 129 mm | 22 | – | – | 6.1 |
| September | 28°C | 26°C | 181 mm | 25 | – | – | 6.1 |
| October | 29°C | 25°C | 297 mm | 26 | – | – | 6.1 |
| November | 29°C | 25°C | 259 mm | 22 | – | – | 6.1 |
| December | 29°C | 24°C | 130 mm | 14 | – | – | 7.0 |