December weather forecastBarnvik, Sweden
December
Weather in December
The first month of the winter, December, is also an icy month in Barnvik, Sweden, with an average temperature varying between 2.3°C (36.1°F) and -0.4°C (31.3°F).Temperature
In Barnvik, entering December brings a subtle temperature decrement, reducing from November's wintry 5.7°C (42.3°F) to a still cold 2.3°C (36.1°F). Barnvik observes a slightly reduced average nighttime temperature of -0.4°C (31.3°F) during December.Humidity
January, February, November and December, with an average relative humidity of 85%, are the most humid months.Rainfall
In December, in Barnvik, the rain falls for 9.1 days. Throughout December, 23mm (0.91") of precipitation is accumulated. In Barnvik, during the entire year, the rain falls for 125.3 days and collects up to 261mm (10.28") of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 8.8 days and typically aggregates up to 41mm (1.61") of snow.Daylight
With an average of 6h and 18min of daylight, December has the shortest days of the year in Barnvik.On the first day of December, sunrise is at 08:15 and sunset at 14:53. On the last day of the month, sunrise is at 08:41 and sunset at 14:55 CET.
Sunshine
December has the least sunshine of the year in Barnvik, with an average of 2.5h of sunshine.UV index
In December, the average daily maximum UV index in Barnvik is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Barnvik, Sweden
- Average high temperature in December: 2.3°C
The warmest month (with the highest average high temperature) is July (18.9°C).
The months with the lowest average high temperature are January and February (0.4°C).
- Average low temperature in December: -0.4°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-2.2°C).
Average pressure in December
Barnvik, Sweden
- Average pressure in December: 1007.8mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in December
Barnvik, Sweden
- Average wind speed in December: 24.7km/h
The windiest month (with the highest average wind speed) is December (24.7km/h).
The calmest month (with the lowest average wind speed) is July (15.8km/h).
Average humidity in December
Barnvik, Sweden
- Average humidity in December: 85%
The months with the highest relative humidity are January, February, November and December (85%).
The months with the lowest relative humidity are April, May and June (77%).
Average rainfall in December
Barnvik, Sweden
- Average rainfall in December: 23mm
The wettest month (with the highest rainfall) is July (35mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in December
Barnvik, Sweden
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in December
Barnvik, Sweden
- Average snowfall in December: 41mm
The month with the highest snowfall is December (41mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Barnvik, Sweden
- Average snowfall days in December: 8.8 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Barnvik, Sweden
- Average daylight in December: 6h and 18min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in December: 2h and 30min
The month with the most sunshine is June (Average sunshine: 12h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in December
Barnvik, Sweden
- Average sunshine days in December: 11.7 days
The month with the most sunshine days is May (17.9 days).
The month with the least sunshine days is December (11.7 days).
Average UV index in December
Barnvik, Sweden
- 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 and February (UV index 1).
Average cloud cover in December
Barnvik, Sweden
- Average cloud cover in December: 65
The months with the most cloud cover are January and February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Barnvik, Sweden
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
