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 snowfall in December
- Average snowfall 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
Weather in December
Temperature
The introduction of December notes a subtle temperature variation to a frosty 9.5°C (49.1°F) from November's 12°C (53.6°F). In December, the recorded average low-temperature in Castéras is an icy 1.4°C (34.5°F).Humidity
In December, the average relative humidity in Castéras is 74%.Rainfall
In Castéras, during December, the rain falls for 9.5 days and regularly aggregates up to 42mm (1.65") of precipitation. Throughout the year, there are 157.3 rainfall days, and 605mm (23.82") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Castéras, during December, snow falls for 3 days and regularly aggregates up to 38mm (1.5") of snow. In Castéras, France, during the entire year, snow falls for 20.8 days and aggregates up to 383mm (15.08") of snow.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December in Castéras, sunrise is at 08:06 and sunset at 17:20. On the last day of the month, sunrise is at 08:25 and sunset at 17:29 CET.
Sunshine
In Castéras, the average sunshine in December is 6.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What is the usual temperature for Castéras in December?
What is the average humidity in December in Castéras?
How many days does it rain in December in Castéras?
How much does it snow in Castéras in December?
What is the month with the shortest days in Castéras?
How many hours of daylight does Castéras have in December?
When is the sunrise / sunset in December in Castéras?
How long on average sun shines in December in Castéras?
When is the lowest UV index in Castéras?
How high is the UV index in December in Castéras?
Average temperature in December
Castéras, France
- Average high temperature in December: 9.5°C
The warmest month (with the highest average high temperature) is August (26.2°C).
The month with the lowest average high temperature is January (7.7°C).
- Average low temperature in December: 1.4°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is February (0°C).
Average pressure in December
Castéras, France
- Average pressure in December: 1021.5mbar
The month with the highest atmospheric pressure is December (1021.5mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in December
Castéras, France
- Average wind speed in December: 9km/h
The windiest month (with the highest average wind speed) is February (10.4km/h).
The calmest month (with the lowest average wind speed) is August (7.8km/h).
Average humidity in December
Castéras, France
- Average humidity in December: 74%
The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Castéras, France
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is May (65mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in December
Castéras, France
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is October (9.2 days).
Average snowfall in December
Castéras, France
- Average snowfall in December: 38mm
The month with the highest snowfall is February (124mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Castéras, France
- Average snowfall days in December: 3 days
The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Castéras, France
- Average daylight in December: 9h and 1min
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 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 0min).
Average sunshine days in December
Castéras, France
- Average sunshine days in December: 18.3 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is May (8.8 days).
Average UV index in December
Castéras, France
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Castéras, France
- Average cloud cover in December: 31
The months with the most cloud cover are January and February (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 24).
Average visibility in December
Castéras, France
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Castéras, France
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