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
December
Weather in December
Temperature
Castelner signifies an average high-temperature of a fresh 10.1°C (50.2°F) in December, closely mirroring the 13°C (55.4°F) of November. Castelner records an average low of 3.5°C (38.3°F) throughout the nights in December.Humidity
In December, the average relative humidity is 81%.Rainfall
In Castelner, in December, during 13.8 rainfall days, 54mm (2.13") of precipitation is typically accumulated. Throughout the year, in Castelner, there are 187.2 rainfall days, and 735mm (28.94") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows in Castelner. Throughout December, in the average 0.8 snowfall days, it receives 4mm (0.16") of snow. In Castelner, during the entire year, snow falls for 3.8 days and aggregates up to 25mm (0.98") of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 08:16 and sunset at 17:27. On the last day of the month, sunrise is at 08:35 and sunset at 17:35 CET.
Sunshine
In Castelner, the average sunshine in December is 5.8h.UV index
The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 3 during December leads to these instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Castelner in December?
What is the average humidity in December in Castelner?
How much does it rain in Castelner in December?
When does it start to snow in Castelner?
What is the month with the shortest days in Castelner?
How many hours of daylight does Castelner have in December?
When is the sunrise / sunset in December in Castelner?
How many hours of sunshine does Castelner have in December?
What is the UV index reading in December in Castelner?
Average temperature in December
Castelner, France
- Average high temperature in December: 10.1°C
The warmest month (with the highest average high temperature) is August (26.9°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in December: 3.5°C
The months with the highest average low temperature are July and August (13.9°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average pressure in December
Castelner, France
- Average pressure in December: 1021.8mbar
The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in December
Castelner, France
- Average wind speed in December: 7.6km/h
The windiest month (with the highest average wind speed) is March (8km/h).
The calmest month (with the lowest average wind speed) is September (6.4km/h).
Average humidity in December
Castelner, France
- Average humidity in December: 81%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are August and September (73%).
Average rainfall in December
Castelner, France
- Average rainfall in December: 54mm
The wettest month (with the highest rainfall) is May (89mm).
The driest month (with the least rainfall) is September (32mm).
Average rainfall days in December
Castelner, France
- Average rainfall days in December: 13.8 days
The month with the highest number of rainy days is April (19.3 days).
The month with the least rainy days is October (12.4 days).
Average snowfall in December
Castelner, France
- Average snowfall in December: 4mm
The month with the highest snowfall is February (13mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Castelner, France
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Castelner, France
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is November (Average sunshine: 5h and 24min).
Average sunshine days in December
Castelner, France
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is October (16.8 days).
The month with the least sunshine days is April (8.7 days).
Average UV index in December
Castelner, France
- Average UV index in December: 3
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in December
Castelner, France
- Average cloud cover in December: 40
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in December
Castelner, France
- Average visibility in December: 9km
The months with the highest visibility are March, June, September, October, November and December (9km).
The months with the lowest visibility are January, February, April, May, July and August (8km).
