December weather forecast
Ahungalla, Sri Lanka

With December, Ahungalla enters a relatively drier phase with the yearly rainfall at its second-lowest point of 114mm (4.49"). Despite the marked reduction in rainfall compared to November, the humidity level remains virtually unchanged at 79%, maintaining the overall humid profile of the weather. The decrease in precipitation and wind speed to 9.4km/h (5.8mph) allows tourism and outdoor activities to thrive again. The sea temperature continues at a consistent 28°C (82.4°F), maintaining the beach town's charm as a year-round destination. With 11.8 hours of daylight, tourists and locals alike can maximize the outdoor experience despite slightly reduced sunshine hours.

Temperature

Ahungalla observes a minor difference in average high-temperatures between November's 29.2°C (84.6°F) and December's 28.9°C (84°F). Nights during December maintain a steady temperature, averaging at a still warm 24.8°C (76.6°F).

Heat index

For December, the heat index is calculated to be a tropical 34°C (93.2°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

The average relative humidity in December in Ahungalla is 79%.

Rainfall

In Ahungalla, in December, it is raining for 22.1 days, with typically 114mm (4.49") of accumulated precipitation. In Ahungalla, during the entire year, the rain falls for 286.9 days and collects up to 1974mm (77.72") of precipitation.

Sea temperature

In Ahungalla, in December, the average water temperature is 28°C (82.4°F).
Note: For any water activity, temperatures between 25°C (77°F) and 29°C (84.2°F) are deemed excellent and extremely satisfying for enduring periods.

Daylight

December has the shortest days of the year, with an average of 11h and 48min of daylight.
On the first day of the month, sunrise is at 06:05 and sunset at 17:52. On the last day of December, sunrise is at 06:20 and sunset at 18:05 +0530.

Sunshine

With an average of 7h of sunshine, December has the least sunshine of the year in Ahungalla.

UV index

The months with the highest UV index in Ahungalla are January through April, June through August, October through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: In December, the average maximum UV index of 7 translates into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Attention! UV radiation is markedly stronger with water and sand reflections.