December weather forecastRoa, Norway
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Roa, Norway, with an average temperature ranging between max -2.1°C (28.2°F) and min -5.6°C (21.9°F).Temperature
With the arrival of December, Roa notices a mild change in the average high-temperature, sliding from November's icy 2.2°C (36°F) to a subzero cold -2.1°C (28.2°F). Nights during December maintain a steady temperature, averaging at a still freezing cold -5.6°C (21.9°F).Humidity
In Roa, the average relative humidity in December is 89%.Rainfall
In December, the rain falls for 6 days. Throughout December, 37mm (1.46") of precipitation is accumulated. Throughout the year, there are 142.4 rainfall days, and 654mm (25.75") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Roa, in December, snow falls for 12.4 days, with typically accumulated 199mm (7.83") of snow. In Roa, during the entire year, snow falls for 71.2 days and aggregates up to 1230mm (48.43") of snow.Daylight
With an average of 5h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:55 and sunset at 15:17. On the last day of the month, sunrise is at 09:22 and sunset at 15:18 CET.
Sunshine
With an average of 2.9h of sunshine, December has the least sunshine of the year.UV index
January through March and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Roa, Norway
- Average high temperature in December: -2.1°C
The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in December: -5.6°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (-8.2°C).
Average pressure in December
Roa, Norway
- Average pressure in December: 1008mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in December
Roa, Norway
- Average wind speed in December: 9.1km/h
The windiest month (with the highest average wind speed) is May (9.3km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in December
Roa, Norway
- Average humidity in December: 89%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Roa, Norway
- Average rainfall in December: 37mm
The wettest month (with the highest rainfall) is July (79mm).
The driest months (with the least rainfall) are January and April (27mm).
Average rainfall days in December
Roa, Norway
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is July (22 days).
The months with the least rainy days are January and February (2.8 days).
Average snowfall in December
Roa, Norway
- Average snowfall in December: 199mm
The month with the highest snowfall is March (238mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Roa, Norway
- Average snowfall days in December: 12.4 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Roa, Norway
- Average daylight in December: 5h and 54min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in December: 2h and 54min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in December
Roa, Norway
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is January (16.9 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in December
Roa, Norway
- Average UV index in December: 1
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 and December (UV index 1).
Average cloud cover in December
Roa, Norway
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in December
Roa, Norway
- Average visibility in December: 7km
The months with the highest visibility are May and June (9km).
The months with the lowest visibility are January, February and March (6km).
