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
In Mahaly, the warmest months are January, February and December, registering an average high-temperature of 29.2°C (84.6°F).Heat index
The heat index in December is computed to be a tropical 34°C (93.2°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.Know that the heat index computations account for shaded terrains and slight winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
In December, the average relative humidity is 76%.Rainfall
In Mahaly, in December, it is raining for 13.5 days, with typically 39mm (1.54") of accumulated precipitation. In Mahaly, during the entire year, the rain falls for 147.4 days and collects up to 474mm (18.66") of precipitation.Daylight
With an average of 13h and 36min of daylight, December has the longest days of the year.On the first day of December, sunrise is at 04:58 and sunset at 18:29. On the last day of the month, sunrise is at 05:09 and sunset at 18:45 EAT.
Sunshine
With an average of 10h of sunshine, December has the most sunshine of the year.UV index
January, February and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 7 in December, converts into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year?
How hot does it get in 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 Mahaly have in December?
When are sunrise and sunset in December?
What month has the most sunshine?
How many hours of sunshine does Mahaly have in December?
When is the highest UV index?
What is the UV index reading in December?
Average temperature in December
Mahaly, Madagascar
- Average high temperature in December: 29.2°C
The warmest months (with the highest average high temperature) are January, February and December (29.2°C).
The month with the lowest average high temperature is July (22.8°C).
- Average low temperature in December: 23.2°C
The month with the highest average low temperature is January (23.7°C).
The coldest month (with the lowest average low temperature) is July (17.6°C).
Average pressure in December
Mahaly, Madagascar
- Average pressure in December: 1012.8mbar
The month with the highest atmospheric pressure is July (1022.4mbar).
The month with the lowest atmospheric pressure is January (1011.5mbar).
Average wind speed in December
Mahaly, Madagascar
- Average wind speed in December: 17.6km/h
The windiest month (with the highest average wind speed) is September (19.5km/h).
The calmest month (with the lowest average wind speed) is May (15.4km/h).
Average humidity in December
Mahaly, Madagascar
- Average humidity in December: 76%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is September (73%).
Average rainfall in December
Mahaly, Madagascar
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is November (55mm).
The driest month (with the least rainfall) is August (22mm).
Average rainfall days in December
Mahaly, Madagascar
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is April (14.8 days).
The month with the least rainy days is September (8.2 days).
Average daylight in December /
Average sunshine in December
Mahaly, 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 42min).
- Average sunshine in December: 10h and 0min
The month with the most sunshine is December (Average sunshine: 10h and 0min).
The month with the least sunshine is April (Average sunshine: 5h and 54min).
Average sunshine days in December
Mahaly, Madagascar
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in December
Mahaly, Madagascar
- Average UV index in December: 7
The months with the highest UV index are January, February and December (UV index 7).
The months with the lowest UV index are June and July (UV index 5).
Average cloud cover in December
Mahaly, Madagascar
- Average cloud cover in December: 36
The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are August and September (Cloud cover 24).
Average visibility in December
Mahaly, 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).
