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
December brings a slight decrease in temperature, down from 5.6°C (42.1°F) in November to a still cold 1.9°C (35.4°F). December nights anticipate an average temperature of -1.2°C (29.8°F), a modest decline from the daytime.Humidity
The months with the highest humidity are January, February, November and December, with an average relative humidity of 87%.Rainfall
In Sjösa, during December, the rain falls for 9.3 days and regularly aggregates up to 27mm (1.06") of precipitation. Throughout the year, there are 144.2 rainfall days, and 380mm (14.96") of precipitation is accumulated.Snowfall
Months with snowfall in Sjösa are January through May, October through December. In Sjösa, in December, during 8.5 snowfall days, 46mm (1.81") of snow is typically accumulated. Throughout the year, there are 43.5 snowfall days, and 249mm (9.8") of snow is accumulated.Daylight
With an average of 6h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:17 and sunset at 15:03. On the last day of December, sunrise is at 08:43 and sunset at 15:06 CET.
Sunshine
The month with the least sunshine in Sjösa is December, with an average of 2.9h of sunshine.UV index
The average daily maximum UV index in December in Sjösa is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
How cold is it in Sjösa in December?
What are the most humid months in Sjösa?
What is the average humidity in December in Sjösa?
How many days does it rain in December in Sjösa?
How many days does it snow in December in Sjösa?
What is the month with the shortest days in Sjösa?
How many hours of daylight does Sjösa have in December?
What time are sunrise and sunset in December in Sjösa?
What is the month with the least sunshine in Sjösa?
How long on average sun shines in December in Sjösa?
How high is the UV index in December in Sjösa?
Average temperature in December
Sjösa, Sweden
- Average high temperature in December: 1.9°C
The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in December: -1.2°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in December
Sjösa, Sweden
- Average pressure in December: 1008.4mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed in December
Sjösa, Sweden
- Average wind speed in December: 18.8km/h
The windiest month (with the highest average wind speed) is December (18.8km/h).
The calmest month (with the lowest average wind speed) is July (13.4km/h).
Average humidity in December
Sjösa, Sweden
- Average humidity in December: 87%
The months with the highest relative humidity are January, February, November and December (87%).
The months with the lowest relative humidity are May and June (73%).
Average rainfall in December
Sjösa, Sweden
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in December
Sjösa, Sweden
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Sjösa, Sweden
- Average snowfall in December: 46mm
The month with the highest snowfall is February (66mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sjösa, Sweden
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sjösa, Sweden
- Average daylight in December: 6h and 2min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in December
Sjösa, Sweden
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is April (15.2 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in December
Sjösa, Sweden
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Sjösa, Sweden
- Average cloud cover in December: 65
The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are June and August (Cloud cover 37).
Average visibility in December
Sjösa, Sweden
- Average visibility in December: 9km
The months with the highest visibility are April, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, May, October, November and December (9km).
Sjösa, Sweden
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