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
In December, the average high-temperature marginally drops from 5.5°C (41.9°F) in November to a still cold 1.9°C (35.4°F). December nights cool to an average low-temperature of -0.8°C (30.6°F), a marginal decrease from its daytime equivalent.Humidity
The months with the highest humidity are January, February, November and December, with an average relative humidity of 86%.Rainfall
In Österskär, in December, during 7.9 rainfall days, 14mm (0.55") of precipitation is typically accumulated. In Österskär, during the entire year, the rain falls for 98.4 days and collects up to 140mm (5.51") of precipitation.Snowfall
January through May, October through December are months with snowfall in Österskär, Sweden. In Österskär, in December, during 9.1 snowfall days, 23mm (0.91") of snow is typically accumulated. Throughout the year, in Österskär, there are 42.5 snowfall days, and 107mm (4.21") of snow is accumulated.Daylight
December has the shortest days of the year in Österskär, with an average of 6h and 12min of daylight.On the first day of the month, sunrise is at 08:18 and sunset at 14:53. On the last day of December, sunrise is at 08:44 and sunset at 14:55 CET.
Sunshine
With an average of 2.5h of sunshine, December has the least sunshine of the year.UV index
In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Österskär?
What is the most humid month in Österskär?
What is the average humidity in December in Österskär?
How many days does it rain in December in Österskär?
How much does it snow in Österskär in December?
What is the month with the shortest days in Österskär?
How many hours of daylight does Österskär have in December?
What time are sunrise and sunset in December in Österskär?
What is the month with the least sunshine in Österskär?
How long on average sun shines in December in Österskär?
What is the UV index intensity in December in Österskär?
Average temperature in December
Österskär, Sweden
- Average high temperature in December: 1.9°C
The warmest month (with the highest average high temperature) is July (19.8°C).
The month with the lowest average high temperature is January (0°C).
- Average low temperature in December: -0.8°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average pressure in December
Österskär, Sweden
- Average pressure in December: 1007.8mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in December
Österskär, Sweden
- Average wind speed in December: 21.8km/h
The windiest month (with the highest average wind speed) is December (21.8km/h).
The calmest month (with the lowest average wind speed) is July (14.2km/h).
Average humidity in December
Österskär, Sweden
- Average humidity in December: 86%
The months with the highest relative humidity are January, February, November and December (86%).
The month with the lowest relative humidity is May (74%).
Average rainfall in December
Österskär, Sweden
- Average rainfall in December: 14mm
The wettest month (with the highest rainfall) is July (18mm).
The driest month (with the least rainfall) is April (5mm).
Average rainfall days in December
Österskär, Sweden
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is July (11.1 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in December
Österskär, Sweden
- Average snowfall in December: 23mm
The month with the highest snowfall is February (32mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Österskär, Sweden
- Average snowfall days in December: 9.1 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Österskär, 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 3min
The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in December
Österskär, Sweden
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is April (20.8 days).
The month with the least sunshine days is December (14.6 days).
Average UV index in December
Österskär, Sweden
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in December
Österskär, Sweden
- Average cloud cover in December: 65
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Österskär, 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).
