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 arrival of December corresponds with a minor reduction in the average high-temperature, down from November's cold 5.3°C (41.5°F) to a still wintry 1.9°C (35.4°F). During the nights of December, Sem maintains an almost steady temperature with an average low of -0.8°C (30.6°F).Humidity
In Sem, the average relative humidity in December is 81%.Rainfall
In Sem, during December, the rain falls for 9.3 days and regularly aggregates up to 40mm (1.57") of precipitation. In Sem, during the entire year, the rain falls for 130.2 days and collects up to 549mm (21.61") of precipitation.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 6.1 days. Throughout December, 66mm (2.6") of snow is accumulated. Throughout the year, in Sem, there are 37 snowfall days, and 389mm (15.31") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 6h and 18min of daylight.On the first day of December, sunrise is at 08:48 and sunset at 15:27. On the last day of the month, sunrise is at 09:14 and sunset at 15:29 CET.
Sunshine
With an average of 3.4h of sunshine, December has the least sunshine of the year in Sem.UV index
The months with the lowest UV index in Sem, Norway, 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 low health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 2 in December transforms into this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Direct Sun exposure should be minimized especially during midday when radiation is most intense. To cut down UV radiation exposure by about half, sport a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Sem?
What is the average humidity in December in Sem?
How many days does it rain in December in Sem?
How much does it snow in Sem in December?
What is the month with the shortest days in Sem?
What is the average length of the day in December in Sem?
When are sunrise and sunset in December in Sem?
What is the month with the least sunshine in Sem?
How long on average sun shines in December in Sem?
When is the lowest UV index in Sem?
What is the UV index reading in December in Sem?
Average temperature in December
Sem, Norway
- Average high temperature in December: 1.9°C
The warmest month (with the highest average high temperature) is July (19.1°C).
The month with the lowest average high temperature is February (0.3°C).
- Average low temperature in December: -0.8°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is February (-3°C).
Average pressure in December
Sem, Norway
- Average pressure in December: 1008mbar
The month with the highest atmospheric pressure is April (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in December
Sem, Norway
- Average wind speed in December: 19.7km/h
The windiest months (with the highest average wind speed) are November and December (19.7km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).
Average humidity in December
Sem, Norway
- Average humidity in December: 81%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in December
Sem, Norway
- Average rainfall in December: 40mm
The wettest month (with the highest rainfall) is November (65mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in December
Sem, Norway
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in December
Sem, Norway
- Average snowfall in December: 66mm
The month with the highest snowfall is January (111mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Sem, Norway
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is January (9.9 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
Sem, Norway
- Average daylight in December: 6h and 2min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in December: 3h and 2min
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 24min).
Average sunshine days in December
Sem, Norway
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is April (19.9 days).
The months with the least sunshine days are June and July (13.4 days).
Average UV index in December
Sem, 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
Sem, Norway
- Average cloud cover in December: 54
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are June, July and August (Cloud cover 36).
Average visibility in December
Sem, Norway
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
