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 transition into December is marked with an average high-temperature of a wintry 5.6°C (42.1°F), showing an insignificant shift from November's 7.9°C (46.2°F). Riska, in December, registers an average low temperature of 3.4°C (38.1°F), showing a minute reduction from daily highs.Humidity
In Riska, Norway, the average relative humidity in December is 78%.Rainfall
The month with the most rainfall is December, when the rain falls for 21.5 days and typically aggregates up to 130mm (5.12") of precipitation.Snowfall
January through April, November and December are months with snowfall. In Riska, in December, during 3.1 snowfall days, 29mm (1.14") of snow is typically accumulated. Throughout the year, in Riska, there are 17.8 snowfall days, and 115mm (4.53") of snow is accumulated.Daylight
With an average of 6h and 24min of daylight, December has the shortest days of the year in Riska.On the first day of December, sunrise is at 09:03 and sunset at 15:47. On the last day of the month, sunrise is at 09:29 and sunset at 15:50 CET.
Sunshine
The month with the least sunshine in Riska is December, with an average of 2.5h 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 in Riska. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 2 during December translates into these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To guard against the harmful effects of the Sun, minimize exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
How cold does it get in Riska in December?
What is the average humidity in December in Riska?
What is the wettest month in Riska?
How much does it rain in Riska in December?
How much does it snow in Riska in December?
What is the month with the shortest days in Riska?
What is the average length of the day in December in Riska?
When is the sunrise / sunset in December in Riska?
What is the month with the least sunshine in Riska?
How long on average sun shines in December in Riska?
What is the month with the lowest UV index in Riska?
What is the UV index reading in December in Riska?
Average temperature in December
Riska, Norway
- Average high temperature in December: 5.6°C
The warmest month (with the highest average high temperature) is August (16.3°C).
The month with the lowest average high temperature is February (3.7°C).
- Average low temperature in December: 3.4°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average pressure in December
Riska, Norway
- Average pressure in December: 1006.7mbar
The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1006.7mbar).
Average wind speed in December
Riska, Norway
- Average wind speed in December: 26.3km/h
The windiest month (with the highest average wind speed) is January (27.4km/h).
The calmest months (with the lowest average wind speed) are June and July (17.2km/h).
Average humidity in December
Riska, Norway
- Average humidity in December: 78%
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in December
Riska, Norway
- Average rainfall in December: 130mm
The wettest month (with the highest rainfall) is December (130mm).
The driest month (with the least rainfall) is June (43mm).
Average rainfall days in December
Riska, Norway
- Average rainfall days in December: 21.5 days
The month with the highest number of rainy days is December (21.5 days).
The month with the least rainy days is June (13.3 days).
Average snowfall in December
Riska, Norway
- Average snowfall in December: 29mm
The month with the highest snowfall is March (30mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Riska, Norway
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Riska, Norway
- Average daylight in December: 6h and 2min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in December: 2h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in December
Riska, Norway
- Average sunshine days in December: 5.8 days
The month with the most sunshine days is June (14.4 days).
The month with the least sunshine days is December (5.8 days).
Average UV index in December
Riska, 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
Riska, Norway
- Average cloud cover in December: 64
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is May (Cloud cover 44).
Average visibility in December
Riska, Norway
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
Riska, Norway
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