December is a hot and rainy time for sunbathing in Sri Lanka. December is an excellent month for swimming in Sri Lanka with very warm sea temperatures. Consider visiting Sri Lanka in the months of February, March, April, July, for the best beach weather. Also consider one of our other suggestions for December.
The average maximum temperature in Sri Lanka in December is 29°. The average maximum temperature is 30° in the previous month and 30° in the next month.
The average temperature in Sri Lanka in December is 26°. The average temperature ranges is 27° in the previous month and 26° in the next month.
The average minimum temperature in Sri Lanka in December is 24°. The minimum temperature is 24° in the previous month and 23° in the next month.
The average day light hours per day in Sri Lanka in December are 11.7 and there are 8.5 hours of sunshine per day on average during December making it a sunny month with few clouds.
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.
The average sea water temperature in Sri Lanka in December is 27.6° which is very warm and ideal for relaxing and swimming for the whole day.
The average total rainfall in Sri Lanka in December is 8.8cm and on average there are 15.5 rainy days in December making it a wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Sri Lanka in December is 24° 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° in the previous month and 23° 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 89.1% in the next month.
The average relative humidity in Sri Lanka in December is typically 81.5%. The average relative humidity is 81.9% in the previous month and 75.8% in the next month.
The average maximum wind speed in Sri Lanka in December is typically 17kmh. The average maximum wind speed is 16kmh in the previous month and 18kmh in the next month.
The average wind speed in Sri Lanka in December is typically 9kmh. The average wind speed is 8kmh in the previous month and 10kmh in the next month.
The average wind direction in Sri Lanka in December is from the South-Southeast.
