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 the average high-temperature, shifting from a cold 4.4°C (39.9°F) in November to a still icy 0.9°C (33.6°F). The month of December shows a minor drop from daytime temperatures, generally recording a low average of -2.1°C (28.2°F).Humidity
In Älvkarleby, the average relative humidity in December is 87%.Rainfall
In Älvkarleby, in December, during 6.8 rainfall days, 24mm (0.94") of precipitation is typically accumulated. In Älvkarleby, during the entire year, the rain falls for 118.2 days and collects up to 304mm (11.97") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Älvkarleby, in December, snow falls for 10.6 days, with typically accumulated 84mm (3.31") of snow. In Älvkarleby, Sweden, during the entire year, snow falls for 55.4 days and aggregates up to 417mm (16.42") of snow.Daylight
With an average of 5h and 54min of daylight, December has the shortest days of the year in Älvkarleby.On the first day of the month, sunrise is at 08:30 and sunset at 14:47. On the last day of December, in Älvkarleby, Sweden, sunrise is at 08:57 and sunset at 14:48 CET.
Sunshine
December has the least sunshine of the year in Älvkarleby, with an average of 2.4h of sunshine.UV index
In Älvkarleby, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
How cold is it in Älvkarleby in December?
What is the average humidity in December in Älvkarleby?
How much does it rain in Älvkarleby in December?
How many days does it snow in December in Älvkarleby?
What is the month with the shortest days in Älvkarleby?
What is the average length of the day in December in Älvkarleby?
What time are sunrise and sunset in December in Älvkarleby?
What is the month with the least sunshine in Älvkarleby?
How many hours of sunshine does Älvkarleby have in December?
What is the UV index intensity in December in Älvkarleby?
Average temperature in December
Älvkarleby, Sweden
- Average high temperature in December: 0.9°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in December: -2.1°C
The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in December
Älvkarleby, Sweden
- Average pressure in December: 1006.9mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1006.9mbar).
Average wind speed in December
Älvkarleby, Sweden
- Average wind speed in December: 14.9km/h
The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in December
Älvkarleby, Sweden
- Average humidity in December: 87%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (69%).
Average rainfall in December
Älvkarleby, Sweden
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in December
Älvkarleby, Sweden
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in December
Älvkarleby, Sweden
- Average snowfall in December: 84mm
The month with the highest snowfall is March (103mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Älvkarleby, Sweden
- Average snowfall days in December: 10.6 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Älvkarleby, Sweden
- Average daylight in December: 5h and 5min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in December: 2h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in December
Älvkarleby, Sweden
- Average sunshine days in December: 14 days
The month with the most sunshine days is April (17.3 days).
The month with the least sunshine days is July (13.2 days).
Average UV index in December
Älvkarleby, 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, February and November (UV index 1).
Average cloud cover in December
Älvkarleby, Sweden
- Average cloud cover in December: 64
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Älvkarleby, Sweden
- Average visibility in December: 9km
The months with the highest visibility are January, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are February and March (8km).
Älvkarleby, Sweden
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