December weather forecastMörtvik, Sweden
December
Weather in December
December, the first month of the winter in Mörtvik, is still a cold month, with an average temperature varying between -0.5°C (31.1°F) and 2.3°C (36.1°F).Temperature
In the transition to December, Mörtvik observes a minor drop in the average high-temperature, shifting from a cold 5.7°C (42.3°F) in November to a still wintry 2.3°C (36.1°F). December witnesses a minor deviation from daytime peaks, with an average nighttime temperature of -0.5°C (31.1°F).Humidity
The average relative humidity in December in Mörtvik is 85%.Rainfall
In Mörtvik, in December, it is raining for 6.6 days, with typically 11mm (0.43") of accumulated precipitation. Throughout the year, in Mörtvik, there are 88.9 rainfall days, and 116mm (4.57") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Mörtvik, in December, snow falls for 8 days, with typically accumulated 18mm (0.71") of snow. In Mörtvik, during the entire year, snow falls for 38.5 days and aggregates up to 78mm (3.07") of snow.Daylight
With an average of 6h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:16 and sunset at 14:56. On the last day of December, sunrise is at 08:42 and sunset at 14:58 CET.
Sunshine
With an average of 2.5h of sunshine, December has the least sunshine of the year in Mörtvik, Sweden.UV index
In Mörtvik, Sweden, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 suggests these recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mörtvik, Sweden
- Average high temperature in December: 2.3°C
The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is February (0.3°C).
- Average low temperature in December: -0.5°C
The month with the highest average low temperature is August (14.4°C).
The coldest months (with the lowest average low temperature) are January and February (-2.3°C).
Average pressure in December
Mörtvik, Sweden
- Average pressure in December: 1007.9mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in December
Mörtvik, Sweden
- Average wind speed in December: 23.5km/h
The windiest month (with the highest average wind speed) is December (23.5km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).
Average humidity in December
Mörtvik, Sweden
- Average humidity in December: 85%
The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Mörtvik, Sweden
- Average rainfall in December: 11mm
The wettest months (with the highest rainfall) are July and August (14mm).
The driest month (with the least rainfall) is April (4mm).
Average rainfall days in December
Mörtvik, Sweden
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is August (10.9 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Mörtvik, Sweden
- Average snowfall in December: 18mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Mörtvik, Sweden
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mörtvik, Sweden
- 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: 2h and 30min
The month with the most sunshine is June (Average sunshine: 12h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in December
Mörtvik, Sweden
- Average sunshine days in December: 14.4 days
The months with the most sunshine days are April and May (21.8 days).
The month with the least sunshine days is December (14.4 days).
Average UV index in December
Mörtvik, 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
Mörtvik, Sweden
- Average cloud cover in December: 64
The months with the most cloud cover are January and February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Mörtvik, 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).
