December weather forecastBømlo, Norway
December
Weather in December
The first month of the winter, December, is still a cold month in Bømlo, Norway, with an average temperature fluctuating between 4.6°C (40.3°F) and 2.5°C (36.5°F).Temperature
With December's advent, Bømlo sees an average high-temperature of an icy 4.6°C (40.3°F), subtly shifted from November's 7°C (44.6°F). Bømlo records a slight downturn to an average a still cold 2.5°C (36.5°F) during the nights of December.Humidity
The average relative humidity in December is 78%.Rainfall
The month with the most rainfall in Bømlo is December, when the rain falls for 21.9 days and typically aggregates up to 189mm (7.44") of precipitation.Snowfall
Months with snowfall in Bømlo are January through May, October through December. In Bømlo, in December, during 5.4 snowfall days, 65mm (2.56") of snow is typically accumulated. In Bømlo, Norway, during the entire year, snow falls for 28.3 days and aggregates up to 329mm (12.95") of snow.Daylight
December has the shortest days of the year, with an average of 6h and 6min of daylight.On the first day of December in Bømlo, sunrise is at 09:13 and sunset at 15:43. On the last day of the month, sunrise is at 09:39 and sunset at 15:45 CET.
Sunshine
December has the least sunshine of the year in Bømlo, with an average of 2.3h of sunshine.UV index
January through March, November and 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 low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bømlo, Norway
- Average high temperature in December: 4.6°C
The warmest month (with the highest average high temperature) is August (16.7°C).
The months with the lowest average high temperature are January and February (3.4°C).
- Average low temperature in December: 2.5°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is February (0.8°C).
Average pressure in December
Bømlo, Norway
- Average pressure in December: 1006.2mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1006.2mbar).
Average wind speed in December
Bømlo, Norway
- Average wind speed in December: 21.2km/h
The windiest month (with the highest average wind speed) is January (21.3km/h).
The calmest months (with the lowest average wind speed) are June and July (13.9km/h).
Average humidity in December
Bømlo, Norway
- Average humidity in December: 78%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is May (74%).
Average rainfall in December
Bømlo, Norway
- Average rainfall in December: 189mm
The wettest month (with the highest rainfall) is December (189mm).
The driest month (with the least rainfall) is April (65mm).
Average rainfall days in December
Bømlo, Norway
- Average rainfall days in December: 21.9 days
The month with the highest number of rainy days is December (21.9 days).
The month with the least rainy days is June (14.5 days).
Average snowfall in December
Bømlo, Norway
- Average snowfall in December: 65mm
The month with the highest snowfall is January (101mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Bømlo, Norway
- Average snowfall days in December: 5.4 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bømlo, Norway
- Average daylight in December: 6h and 6min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in December: 2h and 18min
The month with the most sunshine is June (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).
Average sunshine days in December
Bømlo, Norway
- Average sunshine days in December: 6.2 days
The month with the most sunshine days is June (14.6 days).
The month with the least sunshine days is December (6.2 days).
Average UV index in December
Bømlo, Norway
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Bømlo, Norway
- Average cloud cover in December: 67
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is May (Cloud cover 47).
Average visibility in December
Bømlo, Norway
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





