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 to December results in a modest reduction in average high-temperature, moving from a chilly 8.5°C (47.3°F) in November to an icy 5.3°C (41.5°F). Isômes encounters an average temperature dip to a still cold 1.1°C (34°F) throughout December, subtly lower than its daytime maximum.Humidity
With an average relative humidity of 89%, December is the most humid month in Isômes.Rainfall
In Isômes, in December, it is raining for 15 days, with typically 85mm (3.35") of accumulated precipitation. Throughout the year, in Isômes, there are 194.1 rainfall days, and 749mm (29.49") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Isômes. December is the month with the most snowfall. Snow falls for 7.1 days and accumulates 82mm (3.23") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 08:06 and sunset at 16:49. On the last day of December, sunrise is at 08:27 and sunset at 16:56 CET.
Sunshine
December has the least sunshine of the year in Isômes, with an average of 3.6h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 2 in December leads to these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Isômes during December?
What is the most humid month in Isômes?
What is the average humidity in December in Isômes?
How many days does it rain in December in Isômes?
When does it snow the most in Isômes?
How much does it snow in Isômes in December?
What is the month with the shortest days in Isômes?
What is the average length of the day in December in Isômes?
When is the sunrise / sunset in December in Isômes?
What is the month with the least sunshine in Isômes?
How long on average sun shines in December in Isômes?
What are the months with the lowest UV index in Isômes?
What is the UV index intensity in December in Isômes?
Average temperature in December
Isômes, France
- Average high temperature in December: 5.3°C
The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (3.9°C).
- Average low temperature in December: 1.1°C
The months with the highest average low temperature are July and August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).
Average pressure in December
Isômes, France
- Average pressure in December: 1020.1mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is November (1015mbar).
Average wind speed in December
Isômes, France
- Average wind speed in December: 14.8km/h
The windiest month (with the highest average wind speed) is February (15.3km/h).
The calmest month (with the lowest average wind speed) is August (9.2km/h).
Average humidity in December
Isômes, France
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Isômes, France
- Average rainfall in December: 85mm
The wettest month (with the highest rainfall) is June (88mm).
The driest month (with the least rainfall) is September (43mm).
Average rainfall days in December
Isômes, France
- Average rainfall days in December: 15 days
The month with the highest number of rainy days is June (20.5 days).
The month with the least rainy days is February (12.7 days).
Average snowfall in December
Isômes, France
- Average snowfall in December: 82mm
The month with the highest snowfall is December (82mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Isômes, France
- Average snowfall days in December: 7.1 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Isômes, France
- Average daylight in December: 8h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in December
Isômes, France
- Average sunshine days in December: 9.6 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is June (6.8 days).
Average UV index in December
Isômes, 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, November and December (UV index 2).
Average cloud cover in December
Isômes, France
- Average cloud cover in December: 64
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Isômes, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, July and August (9km).
The months with the lowest visibility are January, May, June, September, October, November and December (8km).
