December weather forecastSaint-Hellier, France
December
Weather in December
The first month of the winter, December, is also a frosty month in Saint-Hellier, France, with an average temperature ranging between min 5.9°C (42.6°F) and max 8.7°C (47.7°F).Temperature
Saint-Hellier, France, signifies an average high-temperature of a chilly 8.7°C (47.7°F) in December, closely mirroring the 11°C (51.8°F) of November. An average low-temperature of 5.9°C (42.6°F), slightly less than the daytime peak, marks the month of December.Humidity
In Saint-Hellier, France, the average relative humidity in December is 82%.Rainfall
December is the month with the most rainfall in Saint-Hellier. Rain falls for 16.4 days and accumulates 51mm (2.01") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In December, in Saint-Hellier, it is snowing for 1 days. Throughout December, 4mm (0.16") of snow is accumulated. Throughout the year, there are 5.5 snowfall days, and 21mm (0.83") of snow is accumulated.Daylight
With an average of 8h and 12min of daylight, December has the shortest days of the year in Saint-Hellier, France.On the first day of the month, sunrise is at 08:31 and sunset at 16:57. On the last day of December, sunrise is at 08:52 and sunset at 17:04 CET.
Sunshine
In December, the average sunshine in Saint-Hellier 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 Saint-Hellier. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saint-Hellier, France
- Average high temperature in December: 8.7°C
The warmest month (with the highest average high temperature) is August (19.5°C).
The months with the lowest average high temperature are January and February (7.3°C).
- Average low temperature in December: 5.9°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is February (4.2°C).
Average pressure in December
Saint-Hellier, France
- Average pressure in December: 1016.7mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).
Average wind speed in December
Saint-Hellier, France
- Average wind speed in December: 27.5km/h
The windiest month (with the highest average wind speed) is December (27.5km/h).
The calmest month (with the lowest average wind speed) is July (17.3km/h).
Average humidity in December
Saint-Hellier, France
- Average humidity in December: 82%
The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is September (79%).
Average rainfall in December
Saint-Hellier, France
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in December
Saint-Hellier, France
- Average rainfall days in December: 16.4 days
The month with the highest number of rainy days is October (16.7 days).
The month with the least rainy days is April (12.4 days).
Average snowfall in December
Saint-Hellier, France
- Average snowfall in December: 4mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Saint-Hellier, France
- Average snowfall days in December: 1 days
The months with the highest number of snowfall days are January and February (1.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Saint-Hellier, France
- Average daylight in December: 8h and 12min
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 12min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and November (Average sunshine: 4h and 0min).
Average sunshine days in December
Saint-Hellier, France
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is April (14.6 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in December
Saint-Hellier, 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
Saint-Hellier, France
- Average cloud cover in December: 60
The months with the most cloud cover are November and December (Cloud cover 60).
The months with the least cloud cover are April, July and August (Cloud cover 39).
Average visibility in December
Saint-Hellier, France
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
