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
December's arrival aligns with a minor decrease in average high-temperatures, from November's fresh 10°C (50°F) to a frosty 6.7°C (44.1°F). December witnesses a minor deviation from daytime peaks, with an average nighttime temperature of 2.6°C (36.7°F).Humidity
The most humid month in Retheuil, France, is December, with an average relative humidity of 88%.Rainfall
The month with the most rainfall in Retheuil, France, is December, when the rain falls for 17.7 days and typically aggregates up to 65mm (2.56") of precipitation.Snowfall
Months with snowfall in Retheuil, France, are January through March, November and December. In December, it is snowing for 2.5 days. Throughout December, 15mm (0.59") of snow is accumulated. Throughout the year, in Retheuil, there are 11.3 snowfall days, and 83mm (3.27") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 18min of daylight.On the first day of the month, sunrise is at 08:22 and sunset at 16:51. On the last day of December, in Retheuil, France, sunrise is at 08:43 and sunset at 16:59 CET.
Sunshine
In December, the average sunshine in Retheuil is 4.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Retheuil. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is December in Retheuil?
What is the most humid month in Retheuil?
What is the average humidity in December in Retheuil?
What is the rainiest month in Retheuil?
How much does it rain in Retheuil in December?
How much does it snow in Retheuil in December?
What is the month with the shortest days in Retheuil?
What is the average length of the day in December in Retheuil?
When is the sunrise / sunset in December in Retheuil?
How long on average sun shines in December in Retheuil?
What are the months with the lowest UV index in Retheuil?
How high is the UV index in December in Retheuil?
Average temperature in December
Retheuil, France
- Average high temperature in December: 6.7°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 2.6°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in December
Retheuil, France
- Average pressure in December: 1017.7mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in December
Retheuil, France
- Average wind speed in December: 16km/h
The windiest month (with the highest average wind speed) is February (16.2km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Retheuil, France
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Retheuil, France
- Average rainfall in December: 65mm
The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in December
Retheuil, France
- Average rainfall days in December: 17.7 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is September (13 days).
Average snowfall in December
Retheuil, France
- Average snowfall in December: 15mm
The month with the highest snowfall is January (38mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Retheuil, France
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Retheuil, France
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Retheuil, France
- Average sunshine days in December: 8.7 days
The month with the most sunshine days is September (13.6 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in December
Retheuil, 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
Retheuil, France
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility in December
Retheuil, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).
Retheuil, France
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