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
Portør registers an average high-temperature of a wintry 3.1°C (37.6°F) at the commencement of December, closely related to the preceding month. During the nights of December, Portør maintains an almost steady temperature with an average low of 0.6°C (33.1°F).Humidity
The average relative humidity in December in Portør is 80%.Rainfall
In December, the rain falls for 12.5 days. Throughout December, 64mm (2.52") of precipitation is accumulated. Throughout the year, there are 140.8 rainfall days, and 704mm (27.72") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Portør. In December, it is snowing for 5.5 days. Throughout December, 41mm (1.61") of snow is accumulated. In Portør, during the entire year, snow falls for 34.6 days and aggregates up to 391mm (15.39") of snow.Daylight
With an average of 6h and 24min of daylight, December has the shortest days of the year.On the first day of December in Portør, sunrise is at 08:48 and sunset at 15:34. On the last day of the month, sunrise is at 09:14 and sunset at 15:36 CET.
Sunshine
With an average of 3.2h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Portør are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December leads to these instructions:
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. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Portør in December?
What is the average humidity in December in Portør?
How many days does it rain in December in Portør?
How many days does it snow in December in Portør?
What is the month with the shortest days in Portør?
What is the average length of the day in December in Portør?
When are sunrise and sunset in December in Portør?
What is the month with the least sunshine in Portør?
How many hours of sunshine does Portør have in December?
When is the lowest UV index in Portør?
What is the UV index reading in December in Portør?
Average temperature in December
Portør, Norway
- Average high temperature in December: 3.1°C
The warmest month (with the highest average high temperature) is July (18.9°C).
The month with the lowest average high temperature is February (1°C).
- Average low temperature in December: 0.6°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is February (-1.8°C).
Average pressure in December
Portør, 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
Portør, Norway
- Average wind speed in December: 21.8km/h
The windiest months (with the highest average wind speed) are November and December (21.8km/h).
The calmest month (with the lowest average wind speed) is June (15.5km/h).
Average humidity in December
Portør, Norway
- Average humidity in December: 80%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Portør, Norway
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is November (83mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in December
Portør, Norway
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is November (14.4 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in December
Portør, Norway
- Average snowfall in December: 41mm
The month with the highest snowfall is January (142mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Portør, Norway
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is February (10.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Portør, Norway
- Average daylight in December: 6h and 2min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in December
Portør, Norway
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is April (19.2 days).
The month with the least sunshine days is November (11.4 days).
Average UV index in December
Portør, 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, November and December (UV index 2).
Average cloud cover in December
Portør, Norway
- Average cloud cover in December: 54
The month with the most cloud cover is November (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Portør, Norway
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
