December weather forecastAtar, Mauritania
December
Weather in December
December culminates the year with milder and cozier weather in Atar. The gradual drop in temparature continues, with readings ranging from 15.9°C (60.6°F) to 27.4°C (81.3°F). Even as the temperatures plunge, the weather remains arid, marking December as the driest of the winter months. It is worth noting that December exhibits periodic gusty winds breaching 29.1km/h (18.1mph), causing an occasional spike in wind chill. As the UV index dips to its lowest level of the year, the shorter days accompanied by the crisp winter air culminate the weather calendar for Atar on a soothing note.Temperature
During the shift to December, a minor reduction in average high-temperature is observed, shifting from a hot 30.6°C (87.1°F) in November to a warm 27.4°C (81.3°F). In the month of December, the nighttime temperature in Atar dips to a steady average of 15.9°C (60.6°F).Humidity
In Atar, Mauritania, the average relative humidity in December is 24%.Rainfall
December is the last month it rains. During 0.1 rainfall days, in December, Atar aggregates 1mm (0.04") of precipitation. In Atar, Mauritania, during the entire year, the rain falls for 25.2 days and collects up to 39mm (1.54") of precipitation.Daylight
The month with the shortest days in Atar is December, with an average of 10h and 54min of daylight.On the first day of the month, sunrise is at 07:12 and sunset at 18:10. On the last day of December, in Atar, sunrise is at 07:28 and sunset at 18:22 GMT.
Sunshine
The average sunshine in December in Atar is 9.6h.UV index
With an average maximum UV index of 5, December is the month with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 5 during December leads to these instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Atar, Mauritania
- Average high temperature in December: 27.4°C
The warmest month (with the highest average high temperature) is July (41.5°C).
The month with the lowest average high temperature is January (26.2°C).
- Average low temperature in December: 15.9°C
The month with the highest average low temperature is August (29.7°C).
The coldest month (with the lowest average low temperature) is January (14.3°C).
Average pressure in December
Atar, Mauritania
- Average pressure in December: 1016.9mbar
The month with the highest atmospheric pressure is January (1017.5mbar).
The month with the lowest atmospheric pressure is August (1009.2mbar).
Average wind speed in December
Atar, Mauritania
- Average wind speed in December: 18.2km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is November (14.3km/h).
Average humidity in December
Atar, Mauritania
- Average humidity in December: 24%
The month with the highest relative humidity is August (27%).
The month with the lowest relative humidity is May (17%).
Average rainfall in December
Atar, Mauritania
- Average rainfall in December: 1mm
The wettest month (with the highest rainfall) is September (11mm).
The driest months (with the least rainfall) are January, February, March and April (0mm).
Average rainfall days in December
Atar, Mauritania
- Average rainfall days in December: 0.1 days
The month with the highest number of rainy days is September (6.2 days).
The month with the least rainy days is December (0.1 days).
Average daylight in December /
Average sunshine in December
Atar, Mauritania
- Average daylight in December: 10h and 54min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in December: 9h and 36min
The months with the most sunshine are May, July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 9h and 24min).
Average sunshine days in December
Atar, Mauritania
- Average sunshine days in December: 30.9 days
The month with the most sunshine days is December (30.9 days).
The month with the least sunshine days is September (22.5 days).
Average UV index in December
Atar, Mauritania
- Average UV index in December: 5
The month with the highest UV index is June (UV index 9).
The month with the lowest UV index is December (UV index 5).
Average cloud cover in December
Atar, Mauritania
- Average cloud cover in December: 11
The month with the most cloud cover is September (Cloud cover 14).
The month with the least cloud cover is May (Cloud cover 7).
Average visibility in December
Atar, Mauritania
- 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).
