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 commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from -2.7°C (27.1°F) in November to a still freezing cold -6.6°C (20.1°F). Throughout December, a steady low-temperature average of -12.1°C (10.2°F) is noted.Humidity
The average relative humidity in December is 92%.Rainfall
In Harpefoss, in December, during 5.2 rainfall days, 14mm (0.55") of precipitation is typically accumulated. In Harpefoss, Norway, during the entire year, the rain falls for 122 days and collects up to 286mm (11.26") of precipitation.Snowfall
Months with snowfall in Harpefoss are January through May, October through December. The month with the most snowfall is December, when snow falls for 13.5 days and typically aggregates up to 75mm (2.95") of snow.Daylight
With an average of 5h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 09:10 and sunset at 15:08. On the last day of December, sunrise is at 09:38 and sunset at 15:08 CET.
Sunshine
With an average of 2.3h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January, February, October and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In December, the UV index of 1 transforms into the following advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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 many days does it rain in December?
When does it snow the most?
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 long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Harpefoss, Norway
- Average high temperature in December: -6.6°C
The warmest month (with the highest average high temperature) is July (16.8°C).
The month with the lowest average high temperature is January (-7.5°C).
- Average low temperature in December: -12.1°C
The month with the highest average low temperature is July (6.8°C).
The coldest month (with the lowest average low temperature) is January (-13.7°C).
Average pressure in December
Harpefoss, Norway
- Average pressure in December: 1007.2mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.2mbar).
Average wind speed in December
Harpefoss, Norway
- Average wind speed in December: 9.9km/h
The windiest month (with the highest average wind speed) is June (10.9km/h).
The calmest months (with the lowest average wind speed) are April and November (8.8km/h).
Average humidity in December
Harpefoss, Norway
- Average humidity in December: 92%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is June (70%).
Average rainfall in December
Harpefoss, Norway
- Average rainfall in December: 14mm
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is January (11mm).
Average rainfall days in December
Harpefoss, Norway
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in December
Harpefoss, Norway
- Average snowfall in December: 75mm
The month with the highest snowfall is December (75mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Harpefoss, Norway
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Harpefoss, Norway
- Average daylight in December: 5h and 3min
The month with the longest days is June (Average daylight: 19h and 24min).
The month with the shortest days is December (Average daylight: 5h and 30min).
- Average sunshine in December: 2h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).
Average sunshine days in December
Harpefoss, Norway
- Average sunshine days in December: 16.1 days
The months with the most sunshine days are January and October (16.8 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in December
Harpefoss, Norway
- Average UV index in December: 1
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, October and December (UV index 1).
Average cloud cover in December
Harpefoss, Norway
- Average cloud cover in December: 58
The months with the most cloud cover are January and February (Cloud cover 61).
The month with the least cloud cover is June (Cloud cover 49).
Average visibility in December
Harpefoss, Norway
- Average visibility in December: 7km
The months with the highest visibility are June and July (9km).
The months with the lowest visibility are January, March, April and November (6km).
