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Best Time for Sri Lanka's East Coast
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Sweet spot: March, June, July. Computed from NASA POWER climate normals across the route's overnight towns, balancing temperature, rainfall and daylight.
💡 Good to know
- Official guidance identifies May–September as the east-coast dry-zone window; weather, sea state and road conditions still require live checks.
- Inter-monsoon and northeast-monsoon conditions can affect east-coast roads and seas; this baseline refuses them pending a separate dated review.
| Month | Low | High | Rain | Daylight | |
|---|---|---|---|---|---|
| January | 24.6°C | 27.2°C | 148 mm | 11.6 h | |
| February | 24.8°C | 28.0°C | 103 mm | 11.7 h | |
| March | 25.6°C | 29.6°C | 84 mm | 11.9 h | |
| April | 26.6°C | 30.6°C | 131 mm | 12.2 h | |
| May | 26.8°C | 31.3°C | 118 mm | 12.4 h | |
| June | 26.3°C | 31.4°C | 49 mm | 12.4 h | |
| July | 26.0°C | 31.6°C | 47 mm | 12.4 h | |
| August | 26.0°C | 31.7°C | 59 mm | 12.3 h | |
| September | 25.8°C | 31.4°C | 94 mm | 12.0 h | |
| October | 25.8°C | 30.1°C | 218 mm | 11.8 h | |
| November | 25.6°C | 28.2°C | 302 mm | 11.6 h | |
| December | 25.1°C | 27.5°C | 291 mm | 11.6 h |