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
At the onset of December, Semussac records an average high-temperature of a cool 10.5°C (50.9°F), showing little deviation from the preceding month. Nights during December maintain a steady temperature, averaging at a cold 5.6°C (42.1°F).Humidity
January and December, with an average relative humidity of 84%, are the most humid months in Semussac.Rainfall
In Semussac, during December, the rain falls for 15.4 days and regularly aggregates up to 60mm (2.36") of precipitation. Throughout the year, in Semussac, there are 161.7 rainfall days, and 495mm (19.49") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. The months with the most snowfall in Semussac are March and December, with an average 4mm (0.16") of accumulated snow.Daylight
December has the shortest days of the year in Semussac, with an average of 8h and 48min of daylight.On the first day of December, sunrise is at 08:24 and sunset at 17:21. On the last day of the month, sunrise is at 08:43 and sunset at 17:29 CET.
Sunshine
January and December, with an average of 4.8h of sunshine, are months with the least sunshine.UV index
January through April, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 3 in December translates into these instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What are December temperatures in Semussac?
What is the most humid month in Semussac?
What is the average humidity in December in Semussac?
How much does it rain in Semussac in December?
What is the snowiest month in Semussac?
When does it start to snow in Semussac?
What is the month with the shortest days in Semussac?
What is the average length of the day in December in Semussac?
When are sunrise and sunset in December in Semussac?
What are the months with the least sunshine in Semussac?
How many hours of sunshine does Semussac have in December?
What are the months with the lowest UV index in Semussac?
How high is the UV index in December in Semussac?
Average temperature in December
Semussac, France
- Average high temperature in December: 10.5°C
The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (9.1°C).
- Average low temperature in December: 5.6°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is February (3.8°C).
Average pressure in December
Semussac, France
- Average pressure in December: 1020.3mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is November (1014.4mbar).
Average wind speed in December
Semussac, France
- Average wind speed in December: 16km/h
The windiest month (with the highest average wind speed) is February (17km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in December
Semussac, France
- Average humidity in December: 84%
The months with the highest relative humidity are January and December (84%).
The months with the lowest relative humidity are August and September (70%).
Average rainfall in December
Semussac, France
- Average rainfall in December: 60mm
The wettest month (with the highest rainfall) is November (80mm).
The driest month (with the least rainfall) is July (21mm).
Average rainfall days in December
Semussac, France
- Average rainfall days in December: 15.4 days
The month with the highest number of rainy days is November (16.1 days).
The month with the least rainy days is September (9.5 days).
Average snowfall in December
Semussac, France
- Average snowfall in December: 4mm
The months with the highest snowfall are March and December (4mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Semussac, France
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (0.9 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
Semussac, France
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).
Average sunshine days in December
Semussac, France
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is November (11.7 days).
Average UV index in December
Semussac, 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, March, April, November and December (UV index 3).
Average cloud cover in December
Semussac, France
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Semussac, France
- Average visibility in December: 9km
The months with the highest visibility are March, July, August and September (10km).
The months with the lowest visibility are January, February, April, May, June, October, November and December (9km).
Semussac, France
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