December weather forecastVatomandry, Madagascar
December
Weather in December
The first month of the summer, December, is also a moderately hot month in Vatomandry, Madagascar, with temperature in the range of an average low of 23.5°C (74.3°F) and an average high of 28.6°C (83.5°F).Temperature
Vatomandry observes a minor difference in average high-temperatures between November's 27.5°C (81.5°F) and December's 28.6°C (83.5°F). In December, the average low-temperature records at a still moderately hot 23.5°C (74.3°F) during the nights.Heat index
For most parts of December, the heat index is calculated to be a hot 33°C (91.4°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.Consider that heat index readings are for situations in the shade and light wind. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
The months with the lowest humidity in Vatomandry are September through December, with an average relative humidity of 79%.Rainfall
In Vatomandry, in December, during 19.5 rainfall days, 81mm (3.19") of precipitation is typically accumulated. Throughout the year, in Vatomandry, there are 221.7 rainfall days, and 1039mm (40.91") of precipitation is accumulated.Daylight
With an average of 13h and 18min of daylight, December has the longest days of the year.On the first day of December, sunrise is at 04:56 and sunset at 18:09. On the last day of the month, sunrise is at 05:08 and sunset at 18:25 EAT.
Sunshine
December has the most sunshine of the year in Vatomandry, Madagascar, with an average of 10.5h of sunshine.UV index
The months with the highest UV index in Vatomandry are January, February and December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 7 in December transforms into the following instructions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Vatomandry, Madagascar
- Average high temperature in December: 28.6°C
The warmest month (with the highest average high temperature) is January (28.8°C).
The month with the lowest average high temperature is July (22.9°C).
- Average low temperature in December: 23.5°C
The months with the highest average low temperature are January and February (23.8°C).
The coldest month (with the lowest average low temperature) is August (18.1°C).
Average pressure in December
Vatomandry, Madagascar
- Average pressure in December: 1013.6mbar
The month with the highest atmospheric pressure is July (1022.1mbar).
The month with the lowest atmospheric pressure is January (1011.7mbar).
Average wind speed in December
Vatomandry, Madagascar
- Average wind speed in December: 10.8km/h
The windiest month (with the highest average wind speed) is October (12.2km/h).
The calmest month (with the lowest average wind speed) is August (9.2km/h).
Average humidity in December
Vatomandry, Madagascar
- Average humidity in December: 79%
The month with the highest relative humidity is March (83%).
The months with the lowest relative humidity are September, October, November and December (79%).
Average rainfall in December
Vatomandry, Madagascar
- Average rainfall in December: 81mm
The wettest month (with the highest rainfall) is February (167mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in December
Vatomandry, Madagascar
- Average rainfall days in December: 19.5 days
The month with the highest number of rainy days is March (24.2 days).
The month with the least rainy days is September (11.3 days).
Average daylight in December /
Average sunshine in December
Vatomandry, Madagascar
- Average daylight in December: 13h and 18min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 11h and 0min).
- Average sunshine in December: 10h and 30min
The month with the most sunshine is December (Average sunshine: 10h and 30min).
The months with the least sunshine are June and July (Average sunshine: 5h and 48min).
Average sunshine days in December
Vatomandry, Madagascar
- Average sunshine days in December: 9.4 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is March (5.3 days).
Average UV index in December
Vatomandry, Madagascar
- Average UV index in December: 7
The months with the highest UV index are January, February and December (UV index 7).
The month with the lowest UV index is July (UV index 5).
Average cloud cover in December
Vatomandry, Madagascar
- Average cloud cover in December: 38
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 35).
Average visibility in December
Vatomandry, Madagascar
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





