Weather in Sri Lanka in December

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Visiting Sri Lanka in December

The weather in December is slightly cooler than the previous month. December has average maximum temperatures of 29°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 73.7% making it sunny and pleasant most of the time. The hours of sunshine per day are 8.6hrs making the days long and bright. It is a good time for sunbathing in Sri Lanka.

December has total rainfall of 18.3cm (7.2inches) making it a bit rainy but with only moderate showers. There are 15.1 days with some rainfall so you can still enjoy the beach on the clear days.

Sea temperatures are a very warm 28°C (82°F). December is an excellent month for swimming in Sri Lanka with very comfortable temperatures for bathing all day. The sea temperature in December is marginally cooler than the previous month and temperatures continue to drop slightly into January.

Consider visiting Sri Lanka in the months of January, February, March, July, for the best beach weather. Also consider one of our other suggestions for December.

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Can you sunbathe in Sri Lanka in December?

Yes, December is a good time for sunbathing in Sri Lanka.

December has average maximum temperatures of 29°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 73.7% making it sunny and pleasant most of the time. The hours of sunshine per day are 8.6hrs making the days long and bright. December has total rainfall of 18.3cm (7.2inches) making it a bit rainy but with only moderate showers. There are 15.1 days with some rainfall so you can still enjoy the beach on the clear days.

More about December temperature and sunshine.

Can you swim in Sri Lanka in December?

Yes, December is an excellent month for swimming in Sri Lanka with very warm sea temperatures 28°C (82°F).

More about December sea temperatures.

Is December a good time to holiday in Sri Lanka?

Yes, December is a good time for a holiday in Sri Lanka.

December has average maximum temperatures of 29°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 73.7% making it sunny and pleasant most of the time. The hours of sunshine per day are 8.6hrs making the days long and bright. December has total rainfall of 18.3cm (7.2inches) making it a bit rainy but with only moderate showers. There are 15.1 days with some rainfall so you can still enjoy the beach on the clear days. It is a good time for sunbathing in Sri Lanka. Sea temperatures are a very warm 28°C (82°F). December is an excellent month for swimming in Sri Lanka with very comfortable temperatures for bathing all day.

More about the December temperatures and sunshine.

Is Sri Lanka warm in December?

Yes, Sri Lanka is very warm and perfect for sunbathing on clear days in December.

The average maximum temperature in Sri Lanka in December is 29°C (85°F). The average maximum temperature is 30°C (86°) in the previous month and 30°C (86°F) in the next month.

The average temperature in Sri Lanka in December is 27°C (80°F). The average temperature is 27°C (80°F) in the previous month and 27°C (80°F) in the next month.

More info about the December temperatures and sunshine.

How sunny is Sri Lanka in December?

The average day light hours per day in Sri Lanka in December are 11.7. The sunshine percentage is 73.7% making it sunny and pleasant most of the time. The hours of sunshine per day are 8.6hrs making the days long and bright.

More about December sunshine.

Temperature in Sri Lanka in December

The weather in December is slightly cooler than the previous month. The average maximum temperature in Sri Lanka in December is 29°C (85°F). The average maximum temperature is 30°C (86°F) in the previous month and 30°C (86°F) in the next month.

The average temperature in Sri Lanka in December is 27°C (80°F). The average temperature is 27°C (80°F) in the previous month and 27°C (80°F) in the next month.

The average minimum temperature in Sri Lanka in December is 24°C (74°F). The minimum temperature is 24°C (75°F) in the previous month and 23°C (74°F) in the next month.

Sunshine in Sri Lanka in December

The days in December are slightly shorter than the previous month. December has slightly less hours of sunshine than the previous month. During December the average day light hours are 11.7 per day in Sri Lanka. The sunshine percentage is 73.7% making it sunny and pleasant most of the time. The hours of sunshine per day are 8.6hrs making the days long and bright.

The ultraviolet index in Sri Lanka in December is typically 11.2 during December. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Sri Lanka in December

The average sea water temperature in Sri Lanka in December is 27.6°C (81.7°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in December is marginally cooler than the previous month and temperatures continue to drop slightly into January.

Rainfall in Sri Lanka in December

December weather is marginally drier than the previous month and rainfall continues to drop markedly into January. December has fewer days of rain than the previous month and rainy days continue to drop quickly into January. The average total rainfall in Sri Lanka in December is 18.3cm (7.2inches) and on average there are 15.1 rainy days in December making it a wet time to visit the beach.

Humidity in Sri Lanka in December

The maximum dew point (an indicator of humidity) in Sri Lanka in December is 24°C (75°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan. The dew point is 24°C (76°F) in the previous month and 23°C (23°F) in the next month.

The average maximum relative humidity in Sri Lanka in December is typically 92.7%. The maximum relative humidity is 94.1% in the previous month and 89.4% in the next month.

The average relative humidity in Sri Lanka in December is typically 81.1%. The average relative humidity is 81.8% in the previous month and 75.4% in the next month.

Wind Speed in Sri Lanka in December

The average maximum wind speed in Sri Lanka in December is typically 18KM/H (11MPH). The average maximum wind speed is 16KM/H (10MPH) in the previous month and 19KM/H (12MPH) in the next month.

The average wind speed in Sri Lanka in December is typically 10KM/H (6MPH). The average wind speed is 8KM/H (5MPH) in the previous month and 11KM/H (7MPH) in the next month.

The average wind direction in Sri Lanka in December is from the South East.

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Monthly Averages

Suggested Beaches in December

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.