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
December
Weather in December
Temperature
December marks a gentle change in average high-temperature, declining from November's wintry 1.5°C (34.7°F) to a freezing cold -1.9°C (28.6°F). Throughout the nights in December, Hassela notes an average low of -5.2°C (22.6°F), a small dip from the daytime peak.Humidity
In December, the average relative humidity is 89%.Rainfall
The months with the most rainfall are July and December, with an average 44mm (1.73") of precipitation.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 17.1 days and accumulates 286mm (11.26") of snow.Daylight
With an average of 5h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:48 and sunset at 14:36. On the last day of the month, sunrise is at 09:17 and sunset at 14:35 CET.
Sunshine
The month with the least sunshine is December, with an average of 1.7h of sunshine.UV index
January through March and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
What is the wettest month?
How much does it rain in December?
What is the snowiest month?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Hassela have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Hassela, Sweden
- Average high temperature in December: -1.9°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-3.5°C).
- Average low temperature in December: -5.2°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is January (-7.8°C).
Average pressure in December
Hassela, Sweden
- Average pressure in December: 1006.1mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1006.1mbar).
Average wind speed in December
Hassela, Sweden
- Average wind speed in December: 10.6km/h
The windiest months (with the highest average wind speed) are January and March (10.7km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in December
Hassela, Sweden
- Average humidity in December: 89%
The months with the highest relative humidity are January and February (92%).
The months with the lowest relative humidity are May and June (67%).
Average rainfall in December
Hassela, Sweden
- Average rainfall in December: 44mm
The wettest months (with the highest rainfall) are July and December (44mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in December
Hassela, Sweden
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (4 days).
Average snowfall in December
Hassela, Sweden
- Average snowfall in December: 286mm
The month with the highest snowfall is December (286mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Hassela, Sweden
- Average snowfall days in December: 17.1 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hassela, Sweden
- Average daylight in December: 5h and 2min
The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in December: 1h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in December
Hassela, Sweden
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is August (15.2 days).
The month with the least sunshine days is February (10 days).
Average UV index in December
Hassela, Sweden
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in December
Hassela, Sweden
- Average cloud cover in December: 62
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 44).
Average visibility in December
Hassela, Sweden
- Average visibility in December: 7km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January, February and March (6km).
