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
Start of December brings a slight shift in the average high-temperature, dipping a bit from November's cold 5.6°C (42.1°F) to a still icy 1.9°C (35.4°F). In Arnö, December nights experience a modest descent in temperature from daily peaks, cooling down to an average of -1.2°C (29.8°F).Humidity
January, February, November and December, with an average relative humidity of 87%, are the most humid months.Rainfall
In Arnö, in December, during 9.3 rainfall days, 27mm (1.06") of precipitation is typically accumulated. In Arnö, during the entire year, the rain falls for 144.2 days and collects up to 380mm (14.96") of precipitation.Snowfall
Months with snowfall in Arnö are January through May, October through December. In Arnö, in December, during 8.5 snowfall days, 46mm (1.81") of snow is typically accumulated. In Arnö, during the entire year, snow falls for 43.5 days and aggregates up to 249mm (9.8") of snow.Daylight
The month with the shortest days is December, with an average of 6h and 24min of daylight.On the first day of December, sunrise is at 08:17 and sunset at 15:04. On the last day of the month, sunrise is at 08:42 and sunset at 15:07 CET.
Sunshine
December has the least sunshine of the year, with an average of 2.9h of sunshine.UV index
The average daily maximum UV index in December in Arnö, Sweden, is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
How cold is December in Arnö?
What is the most humid month in Arnö?
What is the average humidity in December in Arnö?
How much does it rain in Arnö in December?
How many days does it snow in December in Arnö?
What is the month with the shortest days in Arnö?
How many hours of daylight does Arnö have in December?
When are sunrise and sunset in December in Arnö?
What is the month with the least sunshine in Arnö?
How many hours of sunshine does Arnö have in December?
What is the UV index reading in December in Arnö?
Average temperature in December
Arnö, 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
Arnö, 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
Arnö, 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
Arnö, 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
Arnö, 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
Arnö, 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
Arnö, 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
Arnö, 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
Arnö, 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
Arnö, 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
Arnö, 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
Arnö, 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
Arnö, 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).
Arnö, Sweden
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