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
The transition into December reveals an average high-temperature of a still cool 10.5°C (50.9°F), mirroring a close resemblance to November. The nights of December in Châteaulin anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 7°C (44.6°F).Humidity
With an average relative humidity of 85%, December is the most humid month in Châteaulin, France.Rainfall
December is the month with the most rainfall. Rain falls for 19.5 days and accumulates 95mm (3.74") of precipitation.Snowfall
January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.6 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, in Châteaulin, there are 2.1 snowfall days, and 13mm (0.51") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 24min of daylight.On the first day of December, sunrise is at 08:46 and sunset at 17:24. On the last day of the month, sunrise is at 09:06 and sunset at 17:32 CET.
Sunshine
December has the least sunshine of the year in Châteaulin, France, with an average of 3.4h of sunshine.UV index
In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 3 during December morphs into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Châteaulin?
What is the most humid month in Châteaulin?
What is the average humidity in December in Châteaulin?
What is the wettest month in Châteaulin?
How much does it rain in Châteaulin in December?
When does it start to snow in Châteaulin?
What is the month with the shortest days in Châteaulin?
How many hours of daylight does Châteaulin have in December?
When is the sunrise / sunset in December in Châteaulin?
What is the month with the least sunshine in Châteaulin?
How long on average sun shines in December in Châteaulin?
What is the UV index intensity in December in Châteaulin?
Average temperature in December
Châteaulin, France
- Average high temperature in December: 10.5°C
The warmest month (with the highest average high temperature) is July (21.1°C).
The month with the lowest average high temperature is January (9.7°C).
- Average low temperature in December: 7°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is February (5.1°C).
Average pressure in December
Châteaulin, France
- Average pressure in December: 1018mbar
The month with the highest atmospheric pressure is September (1018.5mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in December
Châteaulin, France
- Average wind speed in December: 20.4km/h
The windiest month (with the highest average wind speed) is January (20.6km/h).
The calmest month (with the lowest average wind speed) is August (14km/h).
Average humidity in December
Châteaulin, France
- Average humidity in December: 85%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is April (79%).
Average rainfall in December
Châteaulin, France
- Average rainfall in December: 95mm
The wettest month (with the highest rainfall) is December (95mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Châteaulin, France
- Average rainfall days in December: 19.5 days
The month with the highest number of rainy days is January (20.4 days).
The month with the least rainy days is September (12.2 days).
Average snowfall in December
Châteaulin, France
- Average snowfall in December: 1mm
The month with the highest snowfall is January (8mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Châteaulin, France
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Châteaulin, France
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Châteaulin, France
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is November (7.5 days).
Average UV index in December
Châteaulin, France
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Châteaulin, France
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 40).
Average visibility in December
Châteaulin, 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).
