December weather forecastHelléan, France
December
Weather in December
December, the first month of the winter in Helléan, is also a fresh month, with an average temperature ranging between min 7.3°C (45.1°F) and max 10.5°C (50.9°F).Temperature
Helléan transitions into December recording an average high-temperature of a still fresh 10.5°C (50.9°F), closely aligning with the preceding month's temperature. In Helléan, the month of December records an average minimum temperature of 7.3°C (45.1°F), a slight dip from the daily highs.Humidity
The months with the highest humidity in Helléan are January and December, with an average relative humidity of 83%.Rainfall
In Helléan, during December, the rain falls for 16.1 days and regularly aggregates up to 76mm (2.99") of precipitation. In Helléan, France, during the entire year, the rain falls for 169.8 days and collects up to 593mm (23.35") of precipitation.Snowfall
Months with snowfall are February, April and December. The months with the most snowfall are February, April and December, with an average 1mm (0.04") of accumulated 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 08:39 and sunset at 17:19. On the last day of December, sunrise is at 08:59 and sunset at 17:26 CET.
Sunshine
In December, the average sunshine in Helléan, France, is 4.6h.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 value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Helléan, France
- Average high temperature in December: 10.5°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in December: 7.3°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).
Average pressure in December
Helléan, France
- Average pressure in December: 1018.6mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in December
Helléan, France
- Average wind speed in December: 22.9km/h
The windiest month (with the highest average wind speed) is December (22.9km/h).
The calmest month (with the lowest average wind speed) is August (15.5km/h).
Average humidity in December
Helléan, France
- Average humidity in December: 83%
The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are August and September (78%).
Average rainfall in December
Helléan, France
- Average rainfall in December: 76mm
The wettest month (with the highest rainfall) is November (81mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in December
Helléan, France
- Average rainfall days in December: 16.1 days
The month with the highest number of rainy days is January (17.7 days).
The month with the least rainy days is September (10 days).
Average snowfall in December
Helléan, France
- Average snowfall in December: 1mm
The months with the highest snowfall are February, April and December (1mm).
The months with the least snowfall are January, March, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Helléan, France
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (0.5 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
Helléan, France
- Average daylight in December: 8h and 30min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 4h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Helléan, France
- Average sunshine days in December: 11.4 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in December
Helléan, France
- Average UV index in December: 3
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, March, April, November and December (UV index 3).
Average cloud cover in December
Helléan, France
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in December
Helléan, France
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
