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 sea temperature 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
December's onset records an average high-temperature of a still freezing cold -6.2°C (20.8°F), a near match to November's -3.5°C (25.7°F). Rognan, in December, experiences an average temperature of -11.4°C (11.5°F) at night.Humidity
In December, the average relative humidity is 91%.Rainfall
In December, in Rognan, the rain falls for 12.7 days. Throughout December, 78mm (3.07") of precipitation is accumulated. In Rognan, during the entire year, the rain falls for 188.6 days and collects up to 807mm (31.77") of precipitation.Snowfall
January through June, September through December are months with snowfall in Rognan. In Rognan, in December, snow falls for 21.2 days, with typically accumulated 360mm (14.17") of snow. In Rognan, during the entire year, snow falls for 130.4 days and aggregates up to 2323mm (91.46") of snow.Sea temperature
In Rognan, in December, the average water temperature is 6.2°C (43.2°F).Note: Navigating the 6.2°C (43.2°F) at 13°C (55.4°F) is no joy, and temperatures less than 10°C (50°F) can threaten breathing and cause a chilling shock, gauging personal stamina.
Daylight
In Rognan, the average length of the day in December is 1h and 59min.On the first day of the month, sunrise is at 10:10 and sunset at 13:25. On the last day of December, in Rognan, sunrise is at 11:00 and sunset at 13:02 CET.
Sunshine
In Rognan, the average sunshine in December is 1.5h.UV index
February through April, September through December, with an average maximum UV index of 1, are months with the lowest UV index in Rognan. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 1 in December translates into this advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Rognan?
What is the average humidity in December in Rognan?
How many days does it rain in December in Rognan?
How much does it snow in Rognan in December?
How cold is the water in December in Rognan?
How many hours of daylight does Rognan have in December?
When is the sunrise / sunset in December in Rognan?
How long on average sun shines in December in Rognan?
What are the months with the lowest UV index in Rognan?
What is the UV index intensity in December in Rognan?
Average temperature in December
Rognan, Norway
- Average high temperature in December: -6.2°C
The warmest month (with the highest average high temperature) is July (14.4°C).
The month with the lowest average high temperature is January (-7.8°C).
- Average low temperature in December: -11.4°C
The month with the highest average low temperature is July (7.3°C).
The coldest month (with the lowest average low temperature) is January (-13.3°C).
Average pressure in December
Rognan, Norway
- Average pressure in December: 1002.9mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1002.9mbar).
Average wind speed in December
Rognan, Norway
- Average wind speed in December: 13.7km/h
The windiest month (with the highest average wind speed) is January (15km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in December
Rognan, Norway
- Average humidity in December: 91%
The month with the highest relative humidity is April (93%).
The month with the lowest relative humidity is July (77%).
Average rainfall in December
Rognan, Norway
- Average rainfall in December: 78mm
The wettest month (with the highest rainfall) is March (99mm).
The driest month (with the least rainfall) is August (50mm).
Average rainfall days in December
Rognan, Norway
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is January (10.4 days).
Average snowfall in December
Rognan, Norway
- Average snowfall in December: 360mm
The month with the highest snowfall is March (472mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Rognan, Norway
- Average snowfall days in December: 21.2 days
The month with the highest number of snowfall days is March (22.9 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature in December
Rognan, Norway
- Average sea temperature in December: 6.2°C
The best month for swimming (with the highest average sea temperature) is July (13.5°C).
The coldest month (with the lowest average sea temperature) is March (3.3°C).
Average daylight in December /
Average sunshine in December
Rognan, Norway
- Average daylight in December: 2h and 0min
The month with the longest days is May (Average daylight: 20h and 6min).
The month with the shortest days is June (Average daylight: 0h and 0min).
- Average sunshine in December: 1h and 3min
The month with the most sunshine is August (Average sunshine: 8h and 30min).
The month with the least sunshine is June (Average sunshine: 1h and 0min).
Average sunshine days in December
Rognan, Norway
- Average sunshine days in December: 7.1 days
The month with the most sunshine days is August (9.3 days).
The month with the least sunshine days is March (5.5 days).
Average UV index in December
Rognan, Norway
- Average UV index in December: 1
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February, March, April, September, October, November and December (UV index 1).
Average cloud cover in December
Rognan, Norway
- Average cloud cover in December: 62
The month with the most cloud cover is March (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 54).
Average visibility in December
Rognan, Norway
- Average visibility in December: 7km
The months with the highest visibility are June, July and August (9km).
The month with the lowest visibility is April (6km).
