December weather forecastCastet, France
December
Weather in December
The first month of the winter, December, is also a frosty month in Castet, France, with an average temperature ranging between min 0.8°C (33.4°F) and max 7.7°C (45.9°F).Temperature
The onset of December manifests an average high-temperature of a frosty 7.7°C (45.9°F), demonstrating a minor variation from the preceding month. An average nighttime temperature of 0.8°C (33.4°F) is noted in Castet during the month of December.Humidity
In December, the average relative humidity is 78%.Rainfall
In Castet, in December, during 12.9 rainfall days, 63mm (2.48") of precipitation is typically accumulated. Throughout the year, there are 198.8 rainfall days, and 921mm (36.26") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Castet, in December, snow falls for 1.5 days, with typically accumulated 15mm (0.59") of snow. Throughout the year, there are 12.4 snowfall days, and 181mm (7.13") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 08:13 and sunset at 17:27. On the last day of December, in Castet, sunrise is at 08:33 and sunset at 17:36 CET.
Sunshine
In December, the average sunshine is 6h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Castet. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Castet, France
- Average high temperature in December: 7.7°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in December: 0.8°C
The month with the highest average low temperature is August (11°C).
The coldest month (with the lowest average low temperature) is February (-2.1°C).
Average pressure in December
Castet, France
- Average pressure in December: 1021.9mbar
The month with the highest atmospheric pressure is December (1021.9mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in December
Castet, France
- Average wind speed in December: 8.4km/h
The windiest month (with the highest average wind speed) is November (8.6km/h).
The calmest month (with the lowest average wind speed) is September (6.7km/h).
Average humidity in December
Castet, France
- Average humidity in December: 78%
The months with the highest relative humidity are February, March and April (82%).
The months with the lowest relative humidity are August and October (74%).
Average rainfall in December
Castet, France
- Average rainfall in December: 63mm
The wettest month (with the highest rainfall) is November (108mm).
The driest month (with the least rainfall) is September (43mm).
Average rainfall days in December
Castet, France
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is December (12.9 days).
Average snowfall in December
Castet, France
- Average snowfall in December: 15mm
The month with the highest snowfall is February (69mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Castet, France
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (4.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Castet, France
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is November (Average sunshine: 5h and 30min).
Average sunshine days in December
Castet, France
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is December (16.5 days).
The month with the least sunshine days is June (7.3 days).
Average UV index in December
Castet, France
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Castet, France
- Average cloud cover in December: 37
The month with the most cloud cover is April (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in December
Castet, France
- Average visibility in December: 9km
The months with the highest visibility are August, September, October and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July and November (8km).
