Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
Umeå's weather subtly changes with the onset of December, barely falling from an icy 2.2°C (36°F) in November to a freezing cold -0.9°C (30.4°F). Umeå's December nights demonstrate minimal variation from the daytime temperatures, with an average of -4°C (24.8°F).Humidity
In December, the average relative humidity in Umeå is 88%.Rainfall
December is the month with the most rainfall. Rain falls for 8.2 days and accumulates 46mm (1.81") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Umeå, during December, snow falls for 14.7 days and regularly aggregates up to 181mm (7.13") of snow. In Umeå, during the entire year, snow falls for 84.8 days and aggregates up to 915mm (36.02") of snow.Sea temperature
In Umeå, the average seawater temperature in December is 3°C (37.4°F).Note: In the practice of swimming, this situation poses immediate risks to life. Losing control over breathing is immediate, thereby making clear thinking near impossible. A specialized swimsuit is obligatory to restrict thermal loss.
Daylight
With an average of 4h and 30min of daylight, December has the shortest days of the year in Umeå.On the first day of December in Umeå, sunrise is at 08:53 and sunset at 14:02. On the last day of the month, sunrise is at 09:25 and sunset at 13:58 CET.
Sunshine
With an average of 1.5h of sunshine, December has the least sunshine of the year in Umeå.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Umeå. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Stay sun-safe with clothing that is both closely woven and worn loosely. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Umeå in December?
What is the average humidity in December in Umeå?
What is the rainiest month in Umeå?
How much does it rain in Umeå in December?
How many days does it snow in December in Umeå?
What is the sea temperature in December in Umeå?
What is the month with the shortest days in Umeå?
How many hours of daylight does Umeå have in December?
When is the sunrise / sunset in December in Umeå?
What is the month with the least sunshine in Umeå?
How long on average sun shines in December in Umeå?
What are the months with the lowest UV index in Umeå?
What is the UV index reading in December in Umeå?
Average temperature in December
Umeå, Sweden
- Average high temperature in December: -0.9°C
The warmest month (with the highest average high temperature) is July (18.4°C).
The months with the lowest average high temperature are January and February (-3.5°C).
- Average low temperature in December: -4°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is February (-7.6°C).
Average pressure in December
Umeå, Sweden
- Average pressure in December: 1005.3mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1005.3mbar).
Average wind speed in December
Umeå, Sweden
- Average wind speed in December: 17.8km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is July (13km/h).
Average humidity in December
Umeå, Sweden
- Average humidity in December: 88%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is June (70%).
Average rainfall in December
Umeå, Sweden
- Average rainfall in December: 46mm
The wettest month (with the highest rainfall) is December (46mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in December
Umeå, Sweden
- Average rainfall days in December: 8.2 days
The months with the highest number of rainy days are July and August (14 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in December
Umeå, Sweden
- Average snowfall in December: 181mm
The month with the highest snowfall is March (199mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Umeå, Sweden
- Average snowfall days in December: 14.7 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Umeå, Sweden
- Average sea temperature in December: 3°C
The best month for swimming (with the highest average sea temperature) is August (15°C).
The coldest months (with the lowest average sea temperature) are February and March (0°C).
Average daylight in December /
Average sunshine in December
Umeå, Sweden
- Average daylight in December: 4h and 3min
The month with the longest days is June (Average daylight: 20h and 36min).
The month with the shortest days is December (Average daylight: 4h and 30min).
- Average sunshine in December: 1h and 3min
The month with the most sunshine is June (Average sunshine: 13h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in December
Umeå, Sweden
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is June (15.7 days).
The month with the least sunshine days is November (10.1 days).
Average UV index in December
Umeå, Sweden
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Umeå, Sweden
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in December
Umeå, Sweden
- Average visibility in December: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February and March (8km).
