December weather forecast
Kudapaduwa, Sri Lanka

December, the first month of the winter in Kudapaduwa, is also a moderately hot month, with an average temperature ranging between max 29.9°C (85.8°F) and min 23.7°C (74.7°F).

Temperature

Kudapaduwa sees the arrival of December with an average high-temperature of a moderately hot 29.9°C (85.8°F), indicating a subtle variation from November. In the month of December, an average of 23.7°C (74.7°F) marks the low-temperature in Kudapaduwa.

Heat index

For December, the heat index is estimated at a torrid 37°C (98.6°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating 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. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

In Kudapaduwa, Sri Lanka, the average relative humidity in December is 79%.

Rainfall

In Kudapaduwa, in December, during 20.3 rainfall days, 139mm (5.47") of precipitation is typically accumulated. Throughout the year, there are 265.4 rainfall days, and 1744mm (68.66") of precipitation is accumulated.

Daylight

December has the shortest days of the year, with an average of 11h and 42min of daylight.
On the first day of December in Kudapaduwa, sunrise is at 06:07 and sunset at 17:51. On the last day of the month, sunrise is at 06:22 and sunset at 18:05 +0530.

Sunshine

The average sunshine in December is 7h.

UV index

January through April, July, September, November and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In December, a daily UV index of 7 turns into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.