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
The advent of December observes an average high-temperature of a cold 4.4°C (39.9°F), nearly identical to November's 6.5°C (43.7°F). Hilleren, during December nights, records a temperature marginally cooler than the daytime average, at a still wintry 2.1°C (35.8°F).Humidity
The average relative humidity in December is 78%.Rainfall
In Hilleren, in December, during 21.8 rainfall days, 198mm (7.8") of precipitation is typically accumulated. Throughout the year, in Hilleren, there are 227.1 rainfall days, and 1594mm (62.76") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Hilleren. In Hilleren, Norway, during December, snow falls for 7 days and regularly aggregates up to 109mm (4.29") of snow. In Hilleren, during the entire year, snow falls for 36.1 days and aggregates up to 473mm (18.62") of snow.Daylight
With an average of 5h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 09:17 and sunset at 15:38. On the last day of December, sunrise is at 09:44 and sunset at 15:40 CET.
Sunshine
With an average of 2.2h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Hilleren are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Hilleren?
What is the average humidity in December in Hilleren?
How many days does it rain in December in Hilleren?
How much does it snow in Hilleren in December?
What is the month with the shortest days in Hilleren?
What is the average length of the day in December in Hilleren?
When are sunrise and sunset in December in Hilleren?
What is the month with the least sunshine in Hilleren?
How many hours of sunshine does Hilleren have in December?
What is the month with the lowest UV index in Hilleren?
What is the UV index intensity in December in Hilleren?
Average temperature in December
Hilleren, Norway
- Average high temperature in December: 4.4°C
The warmest month (with the highest average high temperature) is August (16.1°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in December: 2.1°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is February (0°C).
Average pressure in December
Hilleren, Norway
- Average pressure in December: 1005.8mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1005.8mbar).
Average wind speed in December
Hilleren, Norway
- Average wind speed in December: 21.1km/h
The windiest months (with the highest average wind speed) are January and December (21.1km/h).
The calmest month (with the lowest average wind speed) is June (13.6km/h).
Average humidity in December
Hilleren, Norway
- Average humidity in December: 78%
The month with the highest relative humidity is March (81%).
The months with the lowest relative humidity are May and October (75%).
Average rainfall in December
Hilleren, Norway
- Average rainfall in December: 198mm
The wettest month (with the highest rainfall) is October (201mm).
The driest month (with the least rainfall) is April (73mm).
Average rainfall days in December
Hilleren, Norway
- Average rainfall days in December: 21.8 days
The month with the highest number of rainy days is September (22.3 days).
The month with the least rainy days is February (14.8 days).
Average snowfall in December
Hilleren, Norway
- Average snowfall in December: 109mm
The month with the highest snowfall is January (127mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Hilleren, Norway
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hilleren, Norway
- Average daylight in December: 5h and 5min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in December: 2h and 1min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 12min).
Average sunshine days in December
Hilleren, Norway
- Average sunshine days in December: 5.4 days
The month with the most sunshine days is May (12 days).
The month with the least sunshine days is December (5.4 days).
Average UV index in December
Hilleren, Norway
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Hilleren, Norway
- Average cloud cover in December: 67
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is May (Cloud cover 47).
Average visibility in December
Hilleren, Norway
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
