Sri Lanka: weather & best time to visit
4 destinations with long-term climate data. Best time to visit overall: June – September, December – April.
Weather by month
Daytime highs and sea temperatures range across the destinations; the score is their average. Best months are marked.
| Month | Score | Air | Sea | Best weather |
|---|---|---|---|---|
| JanuaryJan | 77 | 28–30° | 28° | Negombo |
| FebruaryFeb | 78 | 29–32° | 28° | Negombo |
| MarchMar | 67 | 30–32° | 29° | Negombo |
| AprilApr | 63 | 29–31° | 30° | Galle |
| MayMay | 62 | 29–30° | 29° | Galle |
| JuneJun | 63 | 28–29° | 28–29° | Galle |
| JulyJul | 64 | 28–29° | 28° | Galle |
| AugustAug | 64 | 28–29° | 28° | Galle |
| SeptemberSep | 63 | 28–29° | 28° | Galle |
| OctoberOct | 61 | 28–29° | 28° | Galle |
| NovemberNov | 60 | 28–29° | 29° | Galle |
| DecemberDec | 64 | 28–29° | 28° | Negombo |
Destinations4
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Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)