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 sea temperature 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
December
Weather in December
Temperature
December brings a minor shift in the average high-temperature, adjusting from a frosty 7.4°C (45.3°F) in November to an icy 4°C (39.2°F). During the nights of December, the average low-temperature in Hasslö holds at 1.8°C (35.2°F).Humidity
In Hasslö, the average relative humidity in December is 85%.Rainfall
In December, in Hasslö, Sweden, the rain falls for 14.5 days. Throughout December, 38mm (1.5") of precipitation is accumulated. Throughout the year, there are 150.2 rainfall days, and 411mm (16.18") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In December, it is snowing for 6.5 days. Throughout December, 39mm (1.54") of snow is accumulated. In Hasslö, during the entire year, snow falls for 33 days and aggregates up to 183mm (7.2") of snow.Sea temperature
In Hasslö, the average seawater temperature in December is 5.8°C (42.4°F).Note: Swimming in 5.8°C (42.4°F) poses a severe threat. Even short exposure to 13°C (55.4°F) is chilling, and going below 10°C (50°F) can cause breathing irregularities and intense cold shock, based on one's stamina.
Daylight
With an average of 7h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:06 and sunset at 15:28. On the last day of the month, sunrise is at 08:29 and sunset at 15:32 CET.
Sunshine
The months with the least sunshine in Hasslö are January and December, with an average of 3.1h of sunshine.UV index
The average daily maximum UV index in December in Hasslö is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Stay sun-safe with clothing that is both closely woven and worn loosely. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Hasslö in December?
What is the average humidity in December in Hasslö?
How many days does it rain in December in Hasslö?
How many days does it snow in December in Hasslö?
What is the sea water temperature in December in Hasslö?
What is the month with the shortest days in Hasslö?
What is the average length of the day in December in Hasslö?
When is the sunrise / sunset in December in Hasslö?
What is the month with the least sunshine in Hasslö?
How long on average sun shines in December in Hasslö?
How high is the UV index in December in Hasslö?
Average temperature in December
Hasslö, Sweden
- Average high temperature in December: 4°C
The warmest month (with the highest average high temperature) is August (19.8°C).
The month with the lowest average high temperature is January (2°C).
- Average low temperature in December: 1.8°C
The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is February (-0.4°C).
Average pressure in December
Hasslö, Sweden
- Average pressure in December: 1010.8mbar
The months with the highest atmospheric pressure are April and May (1015.5mbar).
The month with the lowest atmospheric pressure is December (1010.8mbar).
Average wind speed in December
Hasslö, Sweden
- Average wind speed in December: 24.5km/h
The windiest month (with the highest average wind speed) is December (24.5km/h).
The calmest month (with the lowest average wind speed) is June (17.5km/h).
Average humidity in December
Hasslö, Sweden
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in December
Hasslö, Sweden
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is July (47mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in December
Hasslö, Sweden
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Hasslö, Sweden
- Average snowfall in December: 39mm
The month with the highest snowfall is January (56mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Hasslö, Sweden
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Hasslö, Sweden
- Average sea temperature in December: 5.8°C
The best month for swimming (with the highest average sea temperature) is August (17.9°C).
The coldest months (with the lowest average sea temperature) are February and March (2.3°C).
Average daylight in December /
Average sunshine in December
Hasslö, 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 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).
Average sunshine days in December
Hasslö, Sweden
- Average sunshine days in December: 9.3 days
The month with the most sunshine days is April (18 days).
The months with the least sunshine days are November and December (9.3 days).
Average UV index in December
Hasslö, 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
Hasslö, Sweden
- Average cloud cover in December: 69
The month with the most cloud cover is December (Cloud cover 69).
The months with the least cloud cover are June and August (Cloud cover 33).
Average visibility in December
Hasslö, Sweden
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
