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
December
Weather in December
Temperature
The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from 5°C (41°F) in November to a still cold 1.5°C (34.7°F). During the nights of December, the average low-temperature holds at a subzero cold -1.9°C (28.6°F).Humidity
January and December, with an average relative humidity of 88%, are the most humid months.Rainfall
In Råcksta, in December, during 9 rainfall days, 25mm (0.98") of precipitation is typically accumulated. In Råcksta, during the entire year, the rain falls for 133 days and collects up to 295mm (11.61") of precipitation.Snowfall
Months with snowfall in Råcksta are January through May, October through December. In Råcksta, during December, snow falls for 9.5 days and regularly aggregates up to 56mm (2.2") of snow. Throughout the year, there are 49.2 snowfall days, and 269mm (10.59") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 6h and 12min of daylight.On the first day of the month, sunrise is at 08:19 and sunset at 14:56. On the last day of December, sunrise is at 08:44 and sunset at 14:58 CET.
Sunshine
December has the least sunshine of the year, with an average of 2.5h of sunshine.UV index
In Råcksta, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 2 in December translates into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December in Råcksta?
What time are sunrise and sunset in December?
What is the month with the least sunshine in Råcksta?
How long on average sun shines in December?
How high is the UV index in December?
Average temperature in December
Råcksta, Sweden
- Average high temperature in December: 1.5°C
The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in December
Råcksta, Sweden
- Average pressure in December: 1007.8mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in December
Råcksta, Sweden
- Average wind speed in December: 18.4km/h
The windiest month (with the highest average wind speed) is December (18.4km/h).
The calmest months (with the lowest average wind speed) are July and August (12.5km/h).
Average humidity in December
Råcksta, Sweden
- Average humidity in December: 88%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Råcksta, Sweden
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is July (36mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Råcksta, Sweden
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in December
Råcksta, Sweden
- Average snowfall in December: 56mm
The month with the highest snowfall is February (76mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Råcksta, Sweden
- Average snowfall days in December: 9.5 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Råcksta, Sweden
- Average daylight in December: 6h and 1min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in December: 2h and 3min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in December
Råcksta, Sweden
- Average sunshine days in December: 12.9 days
The month with the most sunshine days is May (15.8 days).
The months with the least sunshine days are February and August (12.8 days).
Average UV index in December
Råcksta, 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
Råcksta, Sweden
- Average cloud cover in December: 66
The months with the most cloud cover are January, February and December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Råcksta, 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).
