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
During the shift to December, a minor reduction in average high-temperature is observed, shifting from a chilly 7.5°C (45.5°F) in November to a cold 4.3°C (39.7°F). An average low-temperature of 1.5°C (34.7°F) characterizes Fortuna's December nights.Humidity
January, February, November and December, with an average relative humidity of 87%, are the most humid months.Rainfall
In Fortuna, Sweden, during December, the rain falls for 16.6 days and regularly aggregates up to 43mm (1.69") of precipitation. Throughout the year, in Fortuna, there are 181.1 rainfall days, and 463mm (18.23") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Fortuna. In December, it is snowing for 6.1 days. Throughout December, 34mm (1.34") of snow is accumulated. In Fortuna, Sweden, during the entire year, snow falls for 27.8 days and aggregates up to 156mm (6.14") of snow.Daylight
With an average of 7h and 6min of daylight, December has the shortest days of the year in Fortuna.On the first day of the month, sunrise is at 08:16 and sunset at 15:40. On the last day of December, sunrise is at 08:39 and sunset at 15:44 CET.
Sunshine
The month with the least sunshine is December, with an average of 3h of sunshine.UV index
In Fortuna, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
How cold does it get in Fortuna in December?
What is the most humid month in Fortuna?
What is the average humidity in December in Fortuna?
How much does it rain in Fortuna in December?
How many days does it snow in December in Fortuna?
What is the month with the shortest days in Fortuna?
What is the average length of the day in December in Fortuna?
What time are sunrise and sunset in December in Fortuna?
What is the month with the least sunshine in Fortuna?
How many hours of sunshine does Fortuna have in December?
What is the UV index intensity in December in Fortuna?
Average temperature in December
Fortuna, Sweden
- Average high temperature in December: 4.3°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 (2.3°C).
- Average low temperature in December: 1.5°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is February (-0.5°C).
Average pressure in December
Fortuna, Sweden
- Average pressure in December: 1011mbar
The month with the highest atmospheric pressure is April (1015.5mbar).
The month with the lowest atmospheric pressure is December (1011mbar).
Average wind speed in December
Fortuna, Sweden
- Average wind speed in December: 19.4km/h
The windiest month (with the highest average wind speed) is December (19.4km/h).
The calmest months (with the lowest average wind speed) are June and July (14.2km/h).
Average humidity in December
Fortuna, 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 April and May (73%).
Average rainfall in December
Fortuna, Sweden
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is August (57mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in December
Fortuna, Sweden
- Average rainfall days in December: 16.6 days
The month with the highest number of rainy days is August (19.2 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in December
Fortuna, Sweden
- Average snowfall in December: 34mm
The month with the highest snowfall is February (50mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Fortuna, Sweden
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Fortuna, Sweden
- Average daylight in December: 7h and 1min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in December
Fortuna, Sweden
- Average sunshine days in December: 7.4 days
The month with the most sunshine days is April (13.8 days).
The month with the least sunshine days is December (7.4 days).
Average UV index in December
Fortuna, Sweden
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Fortuna, Sweden
- Average cloud cover in December: 71
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Fortuna, 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).
Fortuna, Sweden
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