December is a wet month at Unawatuna Beach, with the northeast monsoon in full effect. Despite the rain showers and strong winds, there are still opportunities for sunbathing and swimming between showers. Snorkeling and diving conditions may be less enjoyable due to reduced visibility, while surfing conditions can be more challenging due to increased wind and swell. Also consider one of our other suggestions for December.
December is a peak month for tourism in Unawatuna Beach, and the beach can get quite crowded, especially during the daytime. The Christmas and New Year's Eve holidays can also contribute to the crowds, making it one of the busiest months of the year.
The average maximum temperature in Unawatuna Beach in December is 30°. The average maximum temperature is 30° in the previous month and 31° in the next month.
The average temperature in Unawatuna Beach in December is 27°. The average temperature ranges is 27° in the previous month and 27° in the next month.
The average minimum temperature in Unawatuna Beach in December is 23°. The minimum temperature is 24° in the previous month and 23° in the next month.
The average day light hours per day in Unawatuna Beach in December are 11.8 and there are 9.2 hours of sunshine per day on average during December making it a sunny month with few clouds.
The ultraviolet index in Unawatuna Beach in December is typically 11.5 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 Unawatuna Beach in December is 27.6° which is very warm and ideal for relaxing and swimming for the whole day.
The average total rainfall in Unawatuna Beach in December is 0.4cm and on average there are 13.2 rainy days in December making it a slightly wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Unawatuna Beach in December is 23° 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 Unawatuna Beach in December is typically 92.9%. The maximum relative humidity is 94.3% in the previous month and 91% in the next month.
The average relative humidity in Unawatuna Beach in December is typically 79%. The average relative humidity is 81.4% in the previous month and 73.3% in the next month.
The average maximum wind speed in Unawatuna Beach in December is typically 22kmh. The average maximum wind speed is 18kmh in the previous month and 24kmh in the next month.
The average wind speed in Unawatuna Beach in December is typically 12kmh. The average wind speed is 9kmh in the previous month and 14kmh in the next month.
The average wind direction in Unawatuna Beach in December is from the North.
