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
Weather in December
Temperature
The arrival of December coincides with an average high-temperature of a still cold 2.7°C (36.9°F), indicating a minimal shift from November's 5.4°C (41.7°F). Herøyholmen's nighttime temperatures in December see a subtle dip to an average of 0.1°C (32.2°F).Humidity
In Herøyholmen, the average relative humidity in December is 74%.Rainfall
In December, in Herøyholmen, the rain falls for 13.2 days. Throughout December, 78mm (3.07") of precipitation is accumulated. In Herøyholmen, during the entire year, the rain falls for 171.1 days and collects up to 742mm (29.21") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Herøyholmen, Norway, in December, snow falls for 6.8 days, with typically accumulated 68mm (2.68") of snow. Throughout the year, in Herøyholmen, there are 50 snowfall days, and 486mm (19.13") of snow is accumulated.Daylight
December has the shortest days of the year in Herøyholmen, with an average of 3h and 12min of daylight.On the first day of the month, sunrise is at 09:58 and sunset at 14:01. On the last day of December, sunrise is at 10:38 and sunset at 13:49 CET.
Sunshine
With an average of 1.4h of sunshine, December has the least sunshine of the year.UV index
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
How cold is it in Herøyholmen in December?
What is the average humidity in December in Herøyholmen?
How many days does it rain in December in Herøyholmen?
How many days does it snow in December in Herøyholmen?
What is the month with the shortest days in Herøyholmen?
How many hours of daylight does Herøyholmen have in December?
When is the sunrise / sunset in December in Herøyholmen?
What is the month with the least sunshine in Herøyholmen?
How long on average sun shines in December in Herøyholmen?
What are the months with the lowest UV index in Herøyholmen?
How high is the UV index in December in Herøyholmen?
Average temperature in December
Herøyholmen, Norway
- Average high temperature in December: 2.7°C
The warmest month (with the highest average high temperature) is August (14.5°C).
The months with the lowest average high temperature are January and February (1.2°C).
- Average low temperature in December: 0.1°C
The month with the highest average low temperature is August (11.9°C).
The coldest months (with the lowest average low temperature) are January and February (-1.5°C).
Average pressure in December
Herøyholmen, Norway
- Average pressure in December: 1001.9mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1001.9mbar).
Average wind speed in December
Herøyholmen, Norway
- Average wind speed in December: 27.1km/h
The windiest month (with the highest average wind speed) is January (27.7km/h).
The calmest month (with the lowest average wind speed) is July (15.6km/h).
Average humidity in December
Herøyholmen, Norway
- Average humidity in December: 74%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Herøyholmen, Norway
- Average rainfall in December: 78mm
The wettest month (with the highest rainfall) is October (79mm).
The driest month (with the least rainfall) is May (41mm).
Average rainfall days in December
Herøyholmen, Norway
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is September (18.5 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in December
Herøyholmen, Norway
- Average snowfall in December: 68mm
The month with the highest snowfall is March (106mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Herøyholmen, Norway
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is March (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Herøyholmen, Norway
- Average daylight in December: 3h and 1min
The month with the longest days is July (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 3h and 12min).
- Average sunshine in December: 1h and 2min
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 24min).
Average sunshine days in December
Herøyholmen, Norway
- Average sunshine days in December: 11.9 days
The month with the most sunshine days is January (13.1 days).
The month with the least sunshine days is March (9.8 days).
Average UV index in December
Herøyholmen, Norway
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in December
Herøyholmen, 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
Herøyholmen, Norway
- Average visibility in December: 9km
The months with the highest visibility are June, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, July, November and December (9km).
Herøyholmen, Norway
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