December weather forecastLeanja, Madagascar
December
Weather in December
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Leanja, Madagascar
- Average high temperature in December: 31°C
The warmest months (with the highest average high temperature) are October and November (31.5°C).
The month with the lowest average high temperature is July (29.3°C).
- Average low temperature in December: 24.9°C
The months with the highest average low temperature are November and December (24.9°C).
The coldest month (with the lowest average low temperature) is July (20.3°C).
Average pressure in December
Leanja, Madagascar
- Average pressure in December: 1011.6mbar
The months with the highest atmospheric pressure are July and August (1017.4mbar).
The month with the lowest atmospheric pressure is February (1010.8mbar).
Average wind speed in December
Leanja, Madagascar
- Average wind speed in December: 8.3km/h
The windiest month (with the highest average wind speed) is July (13.3km/h).
The calmest month (with the lowest average wind speed) is March (8.1km/h).
Average humidity in December
Leanja, Madagascar
- Average humidity in December: 75%
The months with the highest relative humidity are February and March (82%).
The month with the lowest relative humidity is July (63%).
Average rainfall in December
Leanja, Madagascar
- Average rainfall in December: 193mm
The wettest month (with the highest rainfall) is January (399mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in December
Leanja, Madagascar
- Average rainfall days in December: 29.4 days
The month with the highest number of rainy days is January (29.6 days).
The month with the least rainy days is July (3.8 days).
Average daylight in December /
Average sunshine in December
Leanja, Madagascar
- Average daylight in December: 13h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in December: 10h and 54min
The month with the most sunshine is December (Average sunshine: 10h and 54min).
The months with the least sunshine are June and July (Average sunshine: 7h and 36min).
Average sunshine days in December
Leanja, Madagascar
- Average sunshine days in December: 1.5 days
The month with the most sunshine days is July (26.7 days).
The month with the least sunshine days is February (0.8 days).
Average UV index in December
Leanja, Madagascar
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, August, September, October, November and December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 6).
Average cloud cover in December
Leanja, Madagascar
- Average cloud cover in December: 36
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are June and September (Cloud cover 13).
Average visibility in December
Leanja, Madagascar
- Average visibility in December: 10km
The months with the highest visibility are April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February and March (9km).





