December weather forecastGrava, Norway
December
Weather in December
The first month of the winter, December, is also a wintry month in Grava, Norway, with an average temperature varying between 1°C (33.8°F) and -1.6°C (29.1°F).Temperature
December brings a slight decrease in temperature, down from 4.4°C (39.9°F) in November to a still wintry 1°C (33.8°F). Grava notes a consistent average low-temperature of -1.6°C (29.1°F) during December nights.Humidity
In Grava, Norway, the average relative humidity in December is 83%.Rainfall
In December, in Grava, the rain falls for 7.8 days. Throughout December, 33mm (1.3") of precipitation is accumulated. In Grava, during the entire year, the rain falls for 114.5 days and collects up to 470mm (18.5") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Grava, Norway, during December, snow falls for 6 days and regularly aggregates up to 84mm (3.31") of snow. In Grava, during the entire year, snow falls for 39.8 days and aggregates up to 526mm (20.71") of snow.Daylight
December has the shortest days of the year in Grava, with an average of 6h and 18min of daylight.On the first day of December in Grava, sunrise is at 08:49 and sunset at 15:31. On the last day of the month, sunrise is at 09:15 and sunset at 15:33 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.2h of sunshine.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grava, Norway
- Average high temperature in December: 1°C
The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in December: -1.6°C
The month with the highest average low temperature is July (12.5°C).
The coldest month (with the lowest average low temperature) is February (-4°C).
Average pressure in December
Grava, Norway
- Average pressure in December: 1007.9mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in December
Grava, Norway
- Average wind speed in December: 16.2km/h
The windiest month (with the highest average wind speed) is December (16.2km/h).
The calmest months (with the lowest average wind speed) are July and August (11.8km/h).
Average humidity in December
Grava, Norway
- Average humidity in December: 83%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Grava, Norway
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is November (57mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in December
Grava, Norway
- Average rainfall days in December: 7.8 days
The months with the highest number of rainy days are June and August (12.9 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Grava, Norway
- Average snowfall in December: 84mm
The month with the highest snowfall is January (168mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Grava, Norway
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grava, Norway
- Average daylight in December: 6h and 18min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in December
Grava, Norway
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is April (20.5 days).
The month with the least sunshine days is February (14.7 days).
Average UV index in December
Grava, Norway
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Grava, Norway
- Average cloud cover in December: 53
The months with the most cloud cover are February and November (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in December
Grava, Norway
- Average visibility in December: 9km
The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is February (8km).
