December weather forecast
Koggala, Sri Lanka

December, the first month of the winter in Koggala, is still a warm month, with an average temperature varying between 29°C (84.2°F) and 24.9°C (76.8°F).

Temperature

In December, Koggala's weather conditions record an average high-temperature of a still warm 29°C (84.2°F), demonstrating little divergence from the preceding month. December witnesses a minor deviation from daytime peaks, with an average nighttime temperature of 24.9°C (76.8°F).

Heat index

The heat index in December is appraised at a torrid 35°C (95°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
One should consider that heat index numbers are for shaded settings and light wind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

In Koggala, the average relative humidity in December is 79%.

Rainfall

In December, in Koggala, the rain falls for 23.2 days. Throughout December, 110mm (4.33") of precipitation is accumulated. Throughout the year, in Koggala, there are 292.9 rainfall days, and 1842mm (72.52") of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 11h and 48min of daylight.
On the first day of the month, sunrise is at 06:03 and sunset at 17:51. On the last day of December, in Koggala, sunrise is at 06:18 and sunset at 18:05 +0530.

Sunshine

With an average of 7.2h of sunshine, December has the least sunshine of the year in Koggala.

UV index

The months with the highest UV index in Koggala, Sri Lanka, are January through April, July, August, October through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In December, a daily maximum UV index of 7 leads to the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. 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. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.