Sri Lanka weather in December 2023
Expect 30°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Sri Lanka in December. Check more long-term weather averages for Sri Lanka in December before you book your next holiday to Sri Lanka in 2023/2024.
- 3030°C max day temperature
- 1010 days with some rainfall
- 2222°C min night temperature
- 1212 hours of daylight per day
- HHigh heat & humidity
- 166166 mm of monthly rainfall
- 1111 (Extreme) UV index
- 2828°C sea temperature
The December weather guide for Sri Lanka (Colombo) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top Sri Lanka destinations
Below are average maximum temperatures at popular destinations in Sri Lanka in December. Select a destination to see more weather parameters.
All Sri Lanka destinations
- Arugam Bay
- Mirissa Beach
- Mount Lavinia-Dehiwala
- Nuwara Eliya
About Sri Lanka
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Sri Lanka by month
Metric (°C / mm) | Imperial (°F / inches)
More about Sri Lanka
How hot is it in Sri Lanka in December?
Daytime temperatures usually reach 30°C in Colombo, Sri Lanka in December with high heat and humidity, falling to 22°C at night.
How sunny is it in Sri Lanka in December?
There are normally 7 hours of bright sunshine each day in Colombo, Sri Lanka in December - that's 59% of daylight hours.
How warm is the sea around Sri Lanka in December?
The average sea temperature around Colombo, Sri Lanka in December is 28°C.
Does it rain in Sri Lanka in December?
There are usually 10 days with some rain in Colombo, Sri Lanka in December and the average monthly rainfall is 166mm.
What is the chance of a cyclone in Sri Lanka in December?
On average less than 1 day in December in Colombo, Sri Lanka is likely to be affected by the passage of one or more tropical storms.
Sri Lanka December sunrise & sunset times
Browse the sunrise and sunset times for Sri Lanka in December 2023. Select a month to view Sri Lanka sunrise and sunset times for the next 12 months. The Sri Lanka sunrise and sunset times shown below are for Colombo.
|Date||Sunrise times||Sunset times|
|Friday, 1st December 2023||06:07||17:52|
|Saturday, 16th December 2023||06:14||17:58|
|Sunday, 31st December 2023||06:21||18:05|
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