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
A mild drop in Hällefors's average high-temperature is observed in December, transitioning from a wintry 3.5°C (38.3°F) in November to a subzero cold -0.5°C (31.1°F). In Hällefors, the nightly December temperatures experience a slight descent from daily highs to an average low of -3.9°C (25°F).Humidity
In Hällefors, the average relative humidity in December is 90%.Rainfall
In Hällefors, during December, the rain falls for 9.5 days and regularly aggregates up to 42mm (1.65") of precipitation. In Hällefors, during the entire year, the rain falls for 154.1 days and collects up to 522mm (20.55") of precipitation.Snowfall
Months with snowfall in Hällefors are January through May, October through December. In Hällefors, in December, snow falls for 13.2 days, with typically accumulated 141mm (5.55") of snow. Throughout the year, in Hällefors, Sweden, there are 65 snowfall days, and 753mm (29.65") of snow is accumulated.Daylight
With an average of 6h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:35 and sunset at 15:06. On the last day of December, in Hällefors, sunrise is at 09:02 and sunset at 15:08 CET.
Sunshine
December has the least sunshine of the year in Hällefors, with an average of 2.4h of sunshine.UV index
The average daily maximum UV index in December in Hällefors is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
How cold is December in Hällefors?
What is the average humidity in December in Hällefors?
How many days does it rain in December in Hällefors?
How much does it snow in Hällefors in December?
What is the month with the shortest days in Hällefors?
How many hours of daylight does Hällefors have in December?
What time are sunrise and sunset in December in Hällefors?
What is the month with the least sunshine in Hällefors?
How many hours of sunshine does Hällefors have in December?
What is the UV index intensity in December in Hällefors?
Average temperature in December
Hällefors, Sweden
- Average high temperature in December: -0.5°C
The warmest month (with the highest average high temperature) is July (20.9°C).
The month with the lowest average high temperature is January (-2.1°C).
- Average low temperature in December: -3.9°C
The month with the highest average low temperature is July (11.8°C).
The coldest month (with the lowest average low temperature) is February (-5.8°C).
Average pressure in December
Hällefors, Sweden
- Average pressure in December: 1007.8mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in December
Hällefors, Sweden
- Average wind speed in December: 12.3km/h
The windiest months (with the highest average wind speed) are January, November and December (12.3km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in December
Hällefors, Sweden
- Average humidity in December: 90%
The month with the highest relative humidity is February (92%).
The months with the lowest relative humidity are May and June (69%).
Average rainfall in December
Hällefors, Sweden
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in December
Hällefors, Sweden
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in December
Hällefors, Sweden
- Average snowfall in December: 141mm
The month with the highest snowfall is January (190mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Hällefors, Sweden
- Average snowfall days in December: 13.2 days
The month with the highest number of snowfall days is February (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hällefors, Sweden
- Average daylight in December: 6h and 1min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in December: 2h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in December
Hällefors, Sweden
- Average sunshine days in December: 11.9 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in December
Hällefors, Sweden
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and March (UV index 1).
Average cloud cover in December
Hällefors, Sweden
- Average cloud cover in December: 67
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is June (Cloud cover 45).
Average visibility in December
Hällefors, Sweden
- Average visibility in December: 7km
The months with the highest visibility are April, May, June, July and August (9km).
The month with the lowest visibility is February (6km).
Hällefors, Sweden
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