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 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
Weather in December
Temperature
In December, the meteorological conditions change slightly, with the average high-temperature moving from a cold 4.9°C (40.8°F) in November to a still wintry 1.5°C (34.7°F). During the month of December, Södertälje's average nighttime temperature closely mirrors its daytime counterpart, at a subzero cold -1.9°C (28.6°F).Humidity
January, February, November and December, with an average relative humidity of 88%, are the most humid months in Södertälje, Sweden.Rainfall
In Södertälje, during December, the rain falls for 8.8 days and regularly aggregates up to 30mm (1.18") of precipitation. In Södertälje, during the entire year, the rain falls for 131.4 days and collects up to 350mm (13.78") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Södertälje, in December, during 8.7 snowfall days, 62mm (2.44") of snow is typically accumulated. Throughout the year, there are 45.7 snowfall days, and 309mm (12.17") of snow is accumulated.Daylight
The month with the shortest days in Södertälje is December, with an average of 6h and 18min of daylight.On the first day of December, sunrise is at 08:18 and sunset at 14:58. On the last day of the month, sunrise is at 08:44 and sunset at 15:00 CET.
Sunshine
December has the least sunshine of the year in Södertälje, Sweden, with an average of 2.5h of sunshine.UV index
In December, the average daily maximum UV index in Södertälje is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 suggests this advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
How cold is December in Södertälje?
What are the most humid months in Södertälje?
What is the average humidity in December in Södertälje?
How much does it rain in Södertälje in December?
How many days does it snow in December in Södertälje?
What is the month with the shortest days in Södertälje?
What is the average length of the day in December in Södertälje?
When are sunrise and sunset in December in Södertälje?
What is the month with the least sunshine in Södertälje?
How many hours of sunshine does Södertälje have in December?
How high is the UV index in December in Södertälje?
Average temperature in December
Södertälje, Sweden
- Average high temperature in December: 1.5°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-0.5°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is February (-3.6°C).
Average pressure in December
Södertälje, Sweden
- Average pressure in December: 1008mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in December
Södertälje, Sweden
- Average wind speed in December: 18km/h
The windiest month (with the highest average wind speed) is December (18km/h).
The calmest months (with the lowest average wind speed) are July and August (12.5km/h).
Average humidity in December
Södertälje, Sweden
- Average humidity in December: 88%
The months with the highest relative humidity are January, February, November and December (88%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Södertälje, Sweden
- Average rainfall in December: 30mm
The wettest month (with the highest rainfall) is July (44mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in December
Södertälje, Sweden
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Södertälje, Sweden
- Average snowfall in December: 62mm
The month with the highest snowfall is February (87mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Södertälje, Sweden
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is February (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
Södertälje, Sweden
- Average daylight in December: 6h and 2min
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 3min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in December
Södertälje, Sweden
- Average sunshine days in December: 14.2 days
The month with the most sunshine days is May (16.9 days).
The months with the least sunshine days are June and July (13.6 days).
Average UV index in December
Södertälje, Sweden
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in December
Södertälje, Sweden
- Average cloud cover in December: 65
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Södertälje, Sweden
- Average visibility in December: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
Södertälje, Sweden
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