December weather forecastÖckerö, Sweden
December
Weather in December
The first month of the winter, December, is also an icy month in Öckerö, Sweden, with an average temperature ranging between min 2.2°C (36°F) and max 4.5°C (40.1°F).Temperature
With December's arrival, Öckerö's weather records an average high-temperature of a wintry 4.5°C (40.1°F), marking little difference from November's 7.4°C (45.3°F). Nights during December maintain a steady temperature, averaging at 2.2°C (36°F).Humidity
In Öckerö, the average relative humidity in December is 83%.Rainfall
In Öckerö, during December, the rain falls for 11.5 days and regularly aggregates up to 17mm (0.67") of precipitation. Throughout the year, there are 123.7 rainfall days, and 186mm (7.32") of precipitation is accumulated.Snowfall
Months with snowfall in Öckerö are January through March, November and December. In Öckerö, in December, snow falls for 3 days, with typically accumulated 6mm (0.24") of snow. In Öckerö, during the entire year, snow falls for 19 days and aggregates up to 32mm (1.26") of snow.Sea temperature
In Öckerö, in December, the average water temperature is 5.8°C (42.4°F).Note: Swimming in 5.8°C (42.4°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.
Daylight
December has the shortest days of the year in Öckerö, Sweden, with an average of 6h and 42min of daylight.On the first day of the month, sunrise is at 08:31 and sunset at 15:33. On the last day of December, sunrise is at 08:56 and sunset at 15:36 CET.
Sunshine
In December, the average sunshine in Öckerö is 3.9h.UV index
The months with the lowest UV index in Öckerö are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Öckerö, Sweden
- Average high temperature in December: 4.5°C
The warmest month (with the highest average high temperature) is July (18.5°C).
The month with the lowest average high temperature is February (1.8°C).
- Average low temperature in December: 2.2°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (-0.3°C).
Average pressure in December
Öckerö, Sweden
- Average pressure in December: 1008.8mbar
The month with the highest atmospheric pressure is April (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.8mbar).
Average wind speed in December
Öckerö, Sweden
- Average wind speed in December: 27km/h
The windiest month (with the highest average wind speed) is December (27km/h).
The calmest month (with the lowest average wind speed) is June (18.4km/h).
Average humidity in December
Öckerö, Sweden
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Öckerö, Sweden
- Average rainfall in December: 17mm
The wettest month (with the highest rainfall) is August (21mm).
The driest month (with the least rainfall) is April (8mm).
Average rainfall days in December
Öckerö, Sweden
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is August (13.6 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in December
Öckerö, Sweden
- Average snowfall in December: 6mm
The month with the highest snowfall is January (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Öckerö, Sweden
- Average snowfall days in December: 3 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average sea temperature in December
Öckerö, Sweden
- Average sea temperature in December: 5.8°C
The best month for swimming (with the highest average sea temperature) is August (18.5°C).
The coldest month (with the lowest average sea temperature) is March (2.6°C).
Average daylight in December /
Average sunshine in December
Öckerö, Sweden
- Average daylight in December: 6h and 42min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The months with the least sunshine are January, February and November (Average sunshine: 3h and 42min).
Average sunshine days in December
Öckerö, Sweden
- Average sunshine days in December: 13.6 days
The month with the most sunshine days is March (19.8 days).
The month with the least sunshine days is August (13.3 days).
Average UV index in December
Öckerö, 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, February, March, October, November and December (UV index 2).
Average cloud cover in December
Öckerö, Sweden
- Average cloud cover in December: 61
The months with the most cloud cover are February and November (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 36).
Average visibility in December
Öckerö, Sweden
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
