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
As Ärna, Sweden, enters December, the average high-temperature subtly lowers from the a cold 4.5°C (40.1°F) of November to a still wintry 0.6°C (33.1°F). An average nighttime temperature of -3°C (26.6°F) marks December.Humidity
January, February and December, with an average relative humidity of 90%, are the most humid months in Ärna.Rainfall
In December, the rain falls for 8.4 days. Throughout December, 15mm (0.59") of precipitation is accumulated. In Ärna, during the entire year, the rain falls for 116.7 days and collects up to 205mm (8.07") of precipitation.Snowfall
January through May, October through December are months with snowfall in Ärna. In Ärna, in December, snow falls for 9.5 days, with typically accumulated 38mm (1.5") of snow. Throughout the year, there are 44.6 snowfall days, and 197mm (7.76") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 6h and 12min of daylight.On the first day of the month, sunrise is at 08:24 and sunset at 15:01. On the last day of December, in Ärna, sunrise is at 08:50 and sunset at 15:03 CET.
Sunshine
With an average of 2.6h of sunshine, December has the least sunshine of the year in Ärna.UV index
The average daily maximum UV index in December in Ärna is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Ärna?
What are the most humid months in Ärna?
What is the average humidity in December in Ärna?
How many days does it rain in December in Ärna?
How much does it snow in Ärna in December?
What is the month with the shortest days in Ärna?
What is the average length of the day in December in Ärna?
When is the sunrise / sunset in December in Ärna?
What is the month with the least sunshine in Ärna?
How many hours of sunshine does Ärna have in December?
What is the UV index reading in December in Ärna?
Average temperature in December
Ärna, Sweden
- Average high temperature in December: 0.6°C
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (-1°C).
- Average low temperature in December: -3°C
The month with the highest average low temperature is July (12.6°C).
The coldest months (with the lowest average low temperature) are January and February (-4.8°C).
Average pressure in December
Ärna, Sweden
- Average pressure in December: 1007.9mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in December
Ärna, Sweden
- Average wind speed in December: 15.1km/h
The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in December
Ärna, Sweden
- Average humidity in December: 90%
The months with the highest relative humidity are January, February and December (90%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Ärna, Sweden
- Average rainfall in December: 15mm
The wettest month (with the highest rainfall) is July (30mm).
The driest months (with the least rainfall) are February and April (11mm).
Average rainfall days in December
Ärna, Sweden
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Ärna, Sweden
- Average snowfall in December: 38mm
The month with the highest snowfall is January (52mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Ärna, Sweden
- Average snowfall days in December: 9.5 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ärna, Sweden
- Average daylight in December: 6h and 1min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).
Average sunshine days in December
Ärna, Sweden
- Average sunshine days in December: 14.2 days
The month with the most sunshine days is September (17.6 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in December
Ärna, 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 and February (UV index 1).
Average cloud cover in December
Ärna, Sweden
- Average cloud cover in December: 65
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are June, July and August (Cloud cover 42).
Average visibility in December
Ärna, Sweden
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, November and December (8km).
Ärna, Sweden
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