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
Heistad's progression into December involves a gentle drop in the average high-temperature, from a wintry 4.4°C (39.9°F) in November to a still cold 1°C (33.8°F). Heistad records a slight downturn in temperature to an average of -1.6°C (29.1°F) during December nights.Humidity
In December, the average relative humidity in Heistad, Norway, is 83%.Rainfall
In Heistad, during December, the rain falls for 7.8 days and regularly aggregates up to 33mm (1.3") of precipitation. Throughout the year, there are 114.5 rainfall days, and 470mm (18.5") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Heistad, in December, snow falls for 6 days, with typically accumulated 84mm (3.31") of snow. In Heistad, during the entire year, snow falls for 39.8 days and aggregates up to 526mm (20.71") of snow.Daylight
With an average of 6h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:49 and sunset at 15:31. On the last day of December, sunrise is at 09:15 and sunset at 15:33 CET.
Sunshine
December has the least sunshine of the year in Heistad, with an average of 3.2h of sunshine.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 2 in December transforms into this advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Heistad have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Heistad have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Heistad, Norway
- Average high temperature in December: 1°C
The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in December: -1.6°C
The month with the highest average low temperature is July (12.5°C).
The coldest month (with the lowest average low temperature) is February (-4°C).
Average pressure in December
Heistad, Norway
- Average pressure in December: 1007.9mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in December
Heistad, Norway
- Average wind speed in December: 16.2km/h
The windiest month (with the highest average wind speed) is December (16.2km/h).
The calmest months (with the lowest average wind speed) are July and August (11.8km/h).
Average humidity in December
Heistad, Norway
- Average humidity in December: 83%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Heistad, Norway
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is November (57mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in December
Heistad, Norway
- Average rainfall days in December: 7.8 days
The months with the highest number of rainy days are June and August (12.9 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Heistad, Norway
- Average snowfall in December: 84mm
The month with the highest snowfall is January (168mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Heistad, Norway
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Heistad, Norway
- Average daylight in December: 6h and 2min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in December
Heistad, Norway
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is April (20.5 days).
The month with the least sunshine days is February (14.7 days).
Average UV index in December
Heistad, Norway
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Heistad, Norway
- Average cloud cover in December: 53
The months with the most cloud cover are February and November (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in December
Heistad, Norway
- Average visibility in December: 9km
The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is February (8km).
