Sri Lanka in December: where is it warmest?
In December, Negombo is the warmest place with 29 °C by day, Kandy the coolest with 26 °C. 4 of 8 destinations have good holiday weather.
All destinations in December, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
Sri Lanka in December: quick answers
Sri Lanka in December: where is it warmest?
The warmest places in December are Negombo (29 °C), Bentota (29 °C) and Sri Jayawardenepura Kotte (29 °C).
Sri Lanka in December: where is the sea warmest?
The sea is warmest at Negombo (28 °C), Bentota (28 °C) and Sri Jayawardenepura Kotte (28 °C).
Sri Lanka in December: where is the weather best?
The best holiday weather in December – warm, sunny and dry – is in Negombo, Galle and Bentota.
Sri Lanka month by month
Sri Lanka: weather & best time to visit
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). Sources & licences