December weather forecastStenungsund, Sweden
December
Weather in December
The first month of the winter, December, is also a wintry month in Stenungsund, Sweden, with an average temperature ranging between min 0.3°C (32.5°F) and max 3.2°C (37.8°F).Temperature
As December arrives, Stenungsund's weather displays a minor decrease in high-temperatures, transitioning from November's chilly 6.5°C (43.7°F) to a wintry 3.2°C (37.8°F). Stenungsund's December nights exhibit a subtle drop in temperature, averaging at a still icy 0.3°C (32.5°F), closely aligned with the daytime highs.Humidity
In December, the average relative humidity is 86%.Rainfall
In December, in Stenungsund, the rain falls for 15.9 days. Throughout December, 51mm (2.01") of precipitation is accumulated. In Stenungsund, during the entire year, the rain falls for 172.9 days and collects up to 557mm (21.93") of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Stenungsund, during December, snow falls for 5.7 days and regularly aggregates up to 29mm (1.14") of snow. Throughout the year, there are 29.9 snowfall days, and 182mm (7.17") of snow is accumulated.Sea temperature
In Stenungsund, Sweden, the average seawater temperature in December is 5.9°C (42.6°F).Note: Swimming in 5.9°C (42.6°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Even brief immersion at 13°C (55.4°F) feels frosty.
Daylight
December has the shortest days of the year in Stenungsund, with an average of 6h and 36min of daylight.On the first day of December in Stenungsund, sunrise is at 08:33 and sunset at 15:30. On the last day of the month, sunrise is at 08:58 and sunset at 15:33 CET.
Sunshine
The average sunshine in December in Stenungsund is 3.6h.UV index
In December, the average daily maximum UV index in Stenungsund is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 2 in December leads to these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Stenungsund, Sweden
- Average high temperature in December: 3.2°C
The warmest month (with the highest average high temperature) is July (19.8°C).
The months with the lowest average high temperature are January and February (1.5°C).
- Average low temperature in December: 0.3°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is February (-1.8°C).
Average pressure in December
Stenungsund, Sweden
- Average pressure in December: 1008.5mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed in December
Stenungsund, Sweden
- Average wind speed in December: 19.2km/h
The windiest month (with the highest average wind speed) is December (19.2km/h).
The calmest month (with the lowest average wind speed) is June (14.3km/h).
Average humidity in December
Stenungsund, Sweden
- Average humidity in December: 86%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (73%).
Average rainfall in December
Stenungsund, Sweden
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is August (69mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in December
Stenungsund, Sweden
- Average rainfall days in December: 15.9 days
The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is February (9.6 days).
Average snowfall in December
Stenungsund, Sweden
- Average snowfall in December: 29mm
The month with the highest snowfall is January (58mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Stenungsund, Sweden
- Average snowfall days in December: 5.7 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Stenungsund, Sweden
- Average sea temperature in December: 5.9°C
The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is March (2.7°C).
Average daylight in December /
Average sunshine in December
Stenungsund, Sweden
- Average daylight in December: 6h and 36min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 36min).
- Average sunshine in December: 3h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in December
Stenungsund, Sweden
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is April (16.3 days).
The month with the least sunshine days is December (10.1 days).
Average UV index in December
Stenungsund, Sweden
- Average UV index in December: 2
The months with the highest UV index are May and June (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Stenungsund, Sweden
- Average cloud cover in December: 64
The month with the most cloud cover is February (Cloud cover 65).
The months with the least cloud cover are June and July (Cloud cover 39).
Average visibility in December
Stenungsund, Sweden
- 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).





