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 ushering in of December brings an average high-temperature of a wintry 5.8°C (42.4°F), closely mirroring the 7.9°C (46.2°F) of November. Herdla in December observes a slight diminution in temperature from daily highs, recording a low-temperature average of 4°C (39.2°F).Humidity
In Herdla, the average relative humidity in December is 75%.Rainfall
In December, in Herdla, Norway, the rain falls for 22.5 days. Throughout December, 172mm (6.77") of precipitation is accumulated. In Herdla, Norway, during the entire year, the rain falls for 229.7 days and collects up to 1406mm (55.35") of precipitation.Snowfall
January through May, October through December are months with snowfall in Herdla. In Herdla, Norway, in December, during 3.5 snowfall days, 25mm (0.98") of snow is typically accumulated. Throughout the year, in Herdla, there are 23.7 snowfall days, and 186mm (7.32") of snow is accumulated.Daylight
December has the shortest days of the year in Herdla, Norway, with an average of 5h and 54min of daylight.On the first day of the month, sunrise is at 09:20 and sunset at 15:37. On the last day of December, sunrise is at 09:47 and sunset at 15:38 CET.
Sunshine
January and December, with an average of 2.2h of sunshine, are months with the least sunshine.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Herdla, Norway. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during December translates into the following guidance:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Herdla in December?
What is the average humidity in December in Herdla?
How many days does it rain in December in Herdla?
How much does it snow in Herdla in December?
What is the month with the shortest days in Herdla?
How many hours of daylight does Herdla have in December?
When is the sunrise / sunset in December in Herdla?
What is the month with the least sunshine in Herdla?
How many hours of sunshine does Herdla have in December?
When is the lowest UV index in Herdla?
What is the UV index reading in December in Herdla?
Average temperature in December
Herdla, Norway
- Average high temperature in December: 5.8°C
The warmest month (with the highest average high temperature) is August (15.7°C).
The month with the lowest average high temperature is February (4.3°C).
- Average low temperature in December: 4°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 (2.3°C).
Average pressure in December
Herdla, Norway
- Average pressure in December: 1005mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1005mbar).
Average wind speed in December
Herdla, Norway
- Average wind speed in December: 29.1km/h
The windiest month (with the highest average wind speed) is January (29.5km/h).
The calmest month (with the lowest average wind speed) is July (18.5km/h).
Average humidity in December
Herdla, Norway
- Average humidity in December: 75%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall in December
Herdla, Norway
- Average rainfall in December: 172mm
The wettest month (with the highest rainfall) is October (178mm).
The driest month (with the least rainfall) is June (56mm).
Average rainfall days in December
Herdla, Norway
- Average rainfall days in December: 22.5 days
The month with the highest number of rainy days is December (22.5 days).
The month with the least rainy days is June (14.7 days).
Average snowfall in December
Herdla, Norway
- Average snowfall in December: 25mm
The month with the highest snowfall is February (51mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Herdla, Norway
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Herdla, Norway
- Average daylight in December: 5h and 5min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in December: 2h and 1min
The month with the most sunshine is June (Average sunshine: 9h and 36min).
The months with the least sunshine are January and December (Average sunshine: 2h and 12min).
Average sunshine days in December
Herdla, Norway
- Average sunshine days in December: 5.4 days
The month with the most sunshine days is June (13.5 days).
The month with the least sunshine days is December (5.4 days).
Average UV index in December
Herdla, 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, October, November and December (UV index 2).
Average cloud cover in December
Herdla, Norway
- Average cloud cover in December: 68
The months with the most cloud cover are January and December (Cloud cover 68).
The month with the least cloud cover is May (Cloud cover 47).
Average visibility in December
Herdla, Norway
- Average visibility in December: 9km
The months with the highest visibility are May, June, July and August (10km).
The months with the lowest visibility are January, February, March, April, September, October, November and December (9km).
