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
December
Weather in December
Temperature
In the transition to December, Helstroff observes a minor drop in the average high-temperature, shifting from a chilly 8.1°C (46.6°F) in November to a cold 4.8°C (40.6°F). Helstroff's nights in December maintain a consistent average of 0.5°C (32.9°F), demonstrating a minimal differential from its daytime temperature.Humidity
The most humid month is December, with an average relative humidity of 90%.Rainfall
The month with the most rainfall is December, when the rain falls for 14.7 days and typically aggregates up to 66mm (2.6") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Helstroff, in December, during 6.5 snowfall days, 63mm (2.48") of snow is typically accumulated. In Helstroff, during the entire year, snow falls for 28.9 days and aggregates up to 246mm (9.69") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 18min of daylight.On the first day of the month, sunrise is at 08:07 and sunset at 16:38. On the last day of December, sunrise is at 08:28 and sunset at 16:45 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.3h 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 hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What is the most humid month?
What is the average humidity in December?
What is the rainiest month?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Helstroff have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Helstroff, France
- Average high temperature in December: 4.8°C
The warmest month (with the highest average high temperature) is July (23.6°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in December: 0.5°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in December
Helstroff, France
- Average pressure in December: 1018.8mbar
The month with the highest atmospheric pressure is December (1018.8mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).
Average wind speed in December
Helstroff, France
- Average wind speed in December: 14.1km/h
The windiest month (with the highest average wind speed) is February (14.5km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in December
Helstroff, France
- Average humidity in December: 90%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Helstroff, France
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in December
Helstroff, France
- Average rainfall days in December: 14.7 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in December
Helstroff, France
- Average snowfall in December: 63mm
The month with the highest snowfall is January (76mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Helstroff, France
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Helstroff, 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: 3h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in December
Helstroff, France
- Average sunshine days in December: 10.4 days
The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is December (10.4 days).
Average UV index in December
Helstroff, 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
Helstroff, France
- Average cloud cover in December: 68
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Helstroff, France
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January, February, September, October, November and December (8km).
