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
With December's onset, the weather reveals a slight temperature decrease, transitioning from an icy 4.1°C (39.4°F) in November to a still cold 0.1°C (32.2°F). Runhällen logs an average low-temperature of -3.5°C (25.7°F) during the nights of December, subtly lower than its daytime highs.Humidity
In December, the average relative humidity in Runhällen is 90%.Rainfall
In Runhällen, during December, the rain falls for 7.7 days and regularly aggregates up to 30mm (1.18") of precipitation. Throughout the year, there are 138.7 rainfall days, and 389mm (15.31") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 11.1 days. Throughout December, 110mm (4.33") of snow is accumulated. Throughout the year, in Runhällen, there are 58.6 snowfall days, and 587mm (23.11") of snow is accumulated.Daylight
With an average of 6h and 0min of daylight, December has the shortest days of the year in Runhällen.On the first day of December in Runhällen, sunrise is at 08:28 and sunset at 14:55. On the last day of the month, sunrise is at 08:55 and sunset at 14:56 CET.
Sunshine
The month with the least sunshine in Runhällen is December, with an average of 2.3h of sunshine.UV index
The average daily maximum UV index in December in Runhällen, Sweden, is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
How cold is it in Runhällen in December?
What is the average humidity in December in Runhällen?
How much does it rain in Runhällen in December?
How many days does it snow in December in Runhällen?
What is the month with the shortest days in Runhällen?
How many hours of daylight does Runhällen have in December?
What time are sunrise and sunset in December in Runhällen?
What is the month with the least sunshine in Runhällen?
How long on average sun shines in December in Runhällen?
What is the UV index intensity in December in Runhällen?
Average temperature in December
Runhällen, Sweden
- Average high temperature in December: 0.1°C
The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is January (-1.5°C).
- Average low temperature in December: -3.5°C
The month with the highest average low temperature is July (12.2°C).
The coldest month (with the lowest average low temperature) is January (-5.4°C).
Average pressure in December
Runhällen, Sweden
- Average pressure in December: 1007.4mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.4mbar).
Average wind speed in December
Runhällen, Sweden
- Average wind speed in December: 12.4km/h
The windiest month (with the highest average wind speed) is December (12.4km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in December
Runhällen, Sweden
- Average humidity in December: 90%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (69%).
Average rainfall in December
Runhällen, Sweden
- Average rainfall in December: 30mm
The wettest month (with the highest rainfall) is July (54mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in December
Runhällen, Sweden
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in December
Runhällen, Sweden
- Average snowfall in December: 110mm
The month with the highest snowfall is January (133mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Runhällen, Sweden
- Average snowfall days in December: 11.1 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Runhällen, Sweden
- Average daylight in December: 6h and 0min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in December: 2h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).
Average sunshine days in December
Runhällen, Sweden
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in December
Runhällen, 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
Runhällen, Sweden
- Average cloud cover in December: 67
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 44).
Average visibility in December
Runhällen, Sweden
- Average visibility in December: 7km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January, February, March, November and December (7km).
Runhällen, Sweden
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