December weather forecastSømna, Norway
December
Weather in December
The first month of the winter, December, is still a cold month in Sømna, Norway, with an average temperature fluctuating between 1.6°C (34.9°F) and -1.3°C (29.7°F).Temperature
As November turns into December, the average high-temperatures rest at a still icy 1.6°C (34.9°F), showing a minor variation from the prior month. Sømna sees a minor drop to an average minimum temperature of -1.3°C (29.7°F) during the night in the month of December.Humidity
The average relative humidity in December is 78%.Rainfall
The month with the most rainfall in Sømna, Norway, is December, when the rain falls for 13.7 days and typically aggregates up to 120mm (4.72") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Sømna, in December, during 10.7 snowfall days, 121mm (4.76") of snow is typically accumulated. In Sømna, during the entire year, snow falls for 60.9 days and aggregates up to 701mm (27.6") of snow.Daylight
The month with the shortest days in Sømna is December, with an average of 3h and 42min of daylight.On the first day of the month, sunrise is at 09:46 and sunset at 14:14. On the last day of December, in Sømna, sunrise is at 10:22 and sunset at 14:06 CET.
Sunshine
December has the least sunshine of the year, with an average of 1.5h of sunshine.UV index
The average daily maximum UV index in December in Sømna, Norway, is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 translates into these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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
Average temperature in December
Sømna, Norway
- Average high temperature in December: 1.6°C
The warmest months (with the highest average high temperature) are July and August (14.7°C).
The month with the lowest average high temperature is February (0.1°C).
- Average low temperature in December: -1.3°C
The month with the highest average low temperature is August (11.1°C).
The coldest month (with the lowest average low temperature) is February (-3°C).
Average pressure in December
Sømna, Norway
- Average pressure in December: 1002.3mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1002.3mbar).
Average wind speed in December
Sømna, Norway
- Average wind speed in December: 23.2km/h
The windiest month (with the highest average wind speed) is January (24.3km/h).
The calmest month (with the lowest average wind speed) is July (13.5km/h).
Average humidity in December
Sømna, Norway
- Average humidity in December: 78%
The months with the highest relative humidity are February and April (81%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Sømna, Norway
- Average rainfall in December: 120mm
The wettest month (with the highest rainfall) is December (120mm).
The driest month (with the least rainfall) is June (47mm).
Average rainfall days in December
Sømna, Norway
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is October (19.2 days).
The month with the least rainy days is February (9.8 days).
Average snowfall in December
Sømna, Norway
- Average snowfall in December: 121mm
The month with the highest snowfall is March (169mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sømna, Norway
- Average snowfall days in December: 10.7 days
The month with the highest number of snowfall days is March (13.3 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sømna, Norway
- Average daylight in December: 3h and 42min
The month with the longest days is June (Average daylight: 21h and 54min).
The month with the shortest days is December (Average daylight: 3h and 42min).
- Average sunshine in December: 1h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in December
Sømna, Norway
- Average sunshine days in December: 9.8 days
The month with the most sunshine days is July (13.3 days).
The month with the least sunshine days is March (8.5 days).
Average UV index in December
Sømna, Norway
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Sømna, Norway
- Average cloud cover in December: 62
The month with the most cloud cover is March (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 51).
Average visibility in December
Sømna, Norway
- Average visibility in December: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, March, April, May, July, September, October, November and December (9km).
