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
During the shift to December, Tonnoy records a mild decrease in average high-temperature, moving from a chilly 8.6°C (47.5°F) in November to a wintry 5.3°C (41.5°F). Tonnoy experiences a subtle drop in temperature during the December nights, recording an average of 0.9°C (33.6°F).Humidity
The most humid month is December, with an average relative humidity of 89%.Rainfall
In Tonnoy, in December, during 15.3 rainfall days, 56mm (2.2") of precipitation is typically accumulated. In Tonnoy, during the entire year, the rain falls for 179 days and collects up to 518mm (20.39") of precipitation.Snowfall
January through April, November and December are months with snowfall in Tonnoy. In Tonnoy, France, during December, snow falls for 4.7 days and regularly aggregates up to 37mm (1.46") of snow. In Tonnoy, during the entire year, snow falls for 20.3 days and aggregates up to 134mm (5.28") of snow.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 08:06 and sunset at 16:41. On the last day of the month, sunrise is at 08:26 and sunset at 16:49 CET.
Sunshine
The months with the least sunshine in Tonnoy are January and December, with an average of 3.8h of sunshine.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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
Is it cold in Tonnoy during December?
What is the most humid month in Tonnoy?
What is the average humidity in December in Tonnoy?
How many days does it rain in December in Tonnoy?
How many days does it snow in December in Tonnoy?
What is the month with the shortest days in Tonnoy?
What is the average length of the day in December in Tonnoy?
When are sunrise and sunset in December in Tonnoy?
What are the months with the least sunshine in Tonnoy?
How long on average sun shines in December in Tonnoy?
What are the months with the lowest UV index in Tonnoy?
What is the UV index reading in December in Tonnoy?
Average temperature in December
Tonnoy, 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 (3.7°C).
- Average low temperature in December: 0.9°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).
Average pressure in December
Tonnoy, France
- Average pressure in December: 1019.4mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is November (1014.7mbar).
Average wind speed in December
Tonnoy, France
- Average wind speed in December: 15.9km/h
The windiest month (with the highest average wind speed) is December (15.9km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in December
Tonnoy, 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 (75%).
Average rainfall in December
Tonnoy, France
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is June (62mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days in December
Tonnoy, France
- Average rainfall days in December: 15.3 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in December
Tonnoy, France
- Average snowfall in December: 37mm
The month with the highest snowfall is January (38mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Tonnoy, France
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tonnoy, France
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in December
Tonnoy, France
- Average sunshine days in December: 11.3 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in December
Tonnoy, 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
Tonnoy, France
- Average cloud cover in December: 63
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Tonnoy, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, October, November and December (8km).
Tonnoy, France
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