December weather forecast
Leanja, Madagascar

December, the first month of the summer in Leanja, is still a tropical month, with an average temperature fluctuating between 24.9°C (76.8°F) and 31°C (87.8°F).

Temperature

Leanja's weather in December displays an average high-temperature of a still tropical 31°C (87.8°F), showing minor disparity from November's 31.5°C (88.7°F). December witnesses an average nighttime temperature of 24.9°C (76.8°F).

Heat index

December's mean heat index is calculated to be a torrid 39°C (102.2°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. 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. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Leanja, during December, the rain falls for 29.4 days and regularly aggregates up to 193mm (7.6") of precipitation. In Leanja, during the entire year, the rain falls for 207.2 days and collects up to 1328mm (52.28") of precipitation.

Daylight

The month with the longest days in Leanja is December, with an average of 13h and 0min of daylight.
On the first day of the month, sunrise is at 05:07 and sunset at 18:06. On the last day of December, in Leanja, sunrise is at 05:20 and sunset at 18:22 EAT.

Sunshine

With an average of 10.9h of sunshine, December has the most sunshine of the year in Leanja.

UV index

The months with the highest UV index in Leanja are January through April, August through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 7 in December, converts into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.