Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
December is the warmest month, exhibiting average temperatures of 30.7°C (87.3°F) at the peak and 23.4°C (74.1°F) at the base.Heat index
The heat index value for December is appraised at a torrid 37°C (98.6°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.In the scope of the heat index, its values resonate with shade and light wind conditions. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', arises from combining readings of air temperature and relative moisture content. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. 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 70%.Rainfall
In Andalatanosy, during December, the rain falls for 13.3 days and regularly aggregates up to 40mm (1.57") of precipitation. In Andalatanosy, during the entire year, the rain falls for 116.4 days and collects up to 309mm (12.17") of precipitation.Daylight
The month with the longest days is December, with an average of 13h and 36min of daylight.On the first day of December, sunrise is at 05:00 and sunset at 18:33. On the last day of the month, sunrise is at 05:11 and sunset at 18:50 EAT.
Sunshine
December has the most sunshine of the year, with an average of 10.8h of sunshine.UV index
The months with the highest UV index are January through March and December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 7 in December interprets into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year?
How hot is December?
What is the average humidity in December?
How much does it rain in December?
When are the longest days?
How many hours of daylight does Andalatanosy have in December?
What time are sunrise and sunset in December?
What month has the most sunshine?
How long on average sun shines in December?
What are the months with the highest UV index?
How high is the UV index in December in Andalatanosy?
Average temperature in December
Andalatanosy, Madagascar
- Average high temperature in December: 30.7°C
The warmest month (with the highest average high temperature) is December (30.7°C).
The month with the lowest average high temperature is July (23.9°C).
- Average low temperature in December: 23.4°C
The month with the highest average low temperature is January (23.8°C).
The coldest month (with the lowest average low temperature) is July (17.3°C).
Average pressure in December
Andalatanosy, Madagascar
- Average pressure in December: 1012.4mbar
The month with the highest atmospheric pressure is July (1022.1mbar).
The month with the lowest atmospheric pressure is January (1011mbar).
Average wind speed in December
Andalatanosy, Madagascar
- Average wind speed in December: 17.7km/h
The windiest month (with the highest average wind speed) is February (19.4km/h).
The calmest month (with the lowest average wind speed) is June (15.8km/h).
Average humidity in December
Andalatanosy, Madagascar
- Average humidity in December: 70%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (66%).
Average rainfall in December
Andalatanosy, Madagascar
- Average rainfall in December: 40mm
The wettest month (with the highest rainfall) is January (61mm).
The driest months (with the least rainfall) are July and September (8mm).
Average rainfall days in December
Andalatanosy, Madagascar
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is January (13.7 days).
The month with the least rainy days is September (5.5 days).
Average daylight in December /
Average sunshine in December
Andalatanosy, Madagascar
- Average daylight in December: 13h and 4min
The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 36min).
- Average sunshine in December: 10h and 5min
The month with the most sunshine is December (Average sunshine: 10h and 48min).
The month with the least sunshine is April (Average sunshine: 6h and 36min).
Average sunshine days in December
Andalatanosy, Madagascar
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is August (23.2 days).
The month with the least sunshine days is January (14.3 days).
Average UV index in December
Andalatanosy, Madagascar
- Average UV index in December: 7
The months with the highest UV index are January, February, March and December (UV index 7).
The month with the lowest UV index is June (UV index 5).
Average cloud cover in December
Andalatanosy, Madagascar
- Average cloud cover in December: 29
The month with the most cloud cover is April (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in December
Andalatanosy, 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).
