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
December's average high-temperature is a still frosty 6.2°C (43.2°F), maintaining a close comparison with November's 8.5°C (47.3°F). In the month of December, Grailhen's average low-temperature falls to a freezing cold -0.6°C (30.9°F).Humidity
In December, the average relative humidity in Grailhen is 77%.Rainfall
In December, in Grailhen, France, the rain falls for 6.2 days. Throughout December, 56mm (2.2") of precipitation is accumulated. Throughout the year, there are 127.2 rainfall days, and 743mm (29.25") of precipitation is accumulated.Snowfall
January through June, October through December are months with snowfall. In Grailhen, France, during December, snow falls for 8.5 days and regularly aggregates up to 252mm (9.92") of snow. Throughout the year, in Grailhen, there are 60.9 snowfall days, and 2047mm (80.59") of snow is accumulated.Daylight
December has the shortest days of the year in Grailhen, with an average of 9h and 6min of daylight.On the first day of December in Grailhen, sunrise is at 08:10 and sunset at 17:25. On the last day of the month, sunrise is at 08:29 and sunset at 17:34 CET.
Sunshine
The average sunshine in December in Grailhen is 6.4h.UV index
The months with the lowest UV index in Grailhen, France, are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 2 in December translates into this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Grailhen in December?
What is the average humidity in December in Grailhen?
How many days does it rain in December in Grailhen?
How many days does it snow in December in Grailhen?
What is the month with the shortest days in Grailhen?
What is the average length of the day in December in Grailhen?
What time are sunrise and sunset in December in Grailhen?
How many hours of sunshine does Grailhen have in December?
What is the month with the lowest UV index in Grailhen?
How high is the UV index in December in Grailhen?
Average temperature in December
Grailhen, France
- Average high temperature in December: 6.2°C
The warmest month (with the highest average high temperature) is August (22.1°C).
The months with the lowest average high temperature are January and February (4.6°C).
- Average low temperature in December: -0.6°C
The month with the highest average low temperature is August (10.8°C).
The coldest month (with the lowest average low temperature) is February (-3.5°C).
Average pressure in December
Grailhen, 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 (1015.4mbar).
Average wind speed in December
Grailhen, France
- Average wind speed in December: 7.8km/h
The windiest month (with the highest average wind speed) is November (8.2km/h).
The calmest months (with the lowest average wind speed) are August and September (5.9km/h).
Average humidity in December
Grailhen, France
- Average humidity in December: 77%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (71%).
Average rainfall in December
Grailhen, France
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is November (90mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in December
Grailhen, France
- Average rainfall days in December: 6.2 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in December
Grailhen, France
- Average snowfall in December: 252mm
The month with the highest snowfall is January (482mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in December
Grailhen, France
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grailhen, 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: 11h and 24min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).
Average sunshine days in December
Grailhen, France
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is December (18.7 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in December
Grailhen, France
- Average UV index in December: 2
The months with the highest UV index are June and July (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
Grailhen, France
- Average cloud cover in December: 33
The month with the most cloud cover is April (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Grailhen, France
- Average visibility in December: 9km
The months with the highest visibility are March, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January, February, April and November (8km).
