December weather forecastKillskär, Sweden
December
Weather in December
December, the first month of the winter in Killskär, is also a wintry month, with an average temperature varying between 0.9°C (33.6°F) and -2.1°C (28.2°F).Temperature
The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from 4.4°C (39.9°F) to a still cold 0.9°C (33.6°F). A modest decline from daytime high temperatures in Killskär, Sweden, is noticed in December, marking the average low at a subzero cold -2.1°C (28.2°F).Humidity
In Killskär, the average relative humidity in December is 87%.Rainfall
In Killskär, Sweden, in December, it is raining for 6.8 days, with typically 24mm (0.94") of accumulated precipitation. In Killskär, Sweden, during the entire year, the rain falls for 118.2 days and collects up to 304mm (11.97") of precipitation.Snowfall
Months with snowfall in Killskär, Sweden, are January through May, October through December. In Killskär, during December, snow falls for 10.6 days and regularly aggregates up to 84mm (3.31") of snow. In Killskär, Sweden, during the entire year, snow falls for 55.4 days and aggregates up to 417mm (16.42") of snow.Daylight
December has the shortest days of the year in Killskär, Sweden, with an average of 5h and 54min of daylight.On the first day of December in Killskär, sunrise is at 08:28 and sunset at 14:45. On the last day of the month, sunrise is at 08:55 and sunset at 14:46 CET.
Sunshine
With an average of 2.4h of sunshine, December has the least sunshine of the year.UV index
In December, the average daily maximum UV index in Killskär is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Killskär, Sweden
- Average high temperature in December: 0.9°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 (-0.8°C).
- Average low temperature in December: -2.1°C
The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in December
Killskär, Sweden
- Average pressure in December: 1006.9mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1006.9mbar).
Average wind speed in December
Killskär, Sweden
- Average wind speed in December: 14.9km/h
The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in December
Killskär, Sweden
- Average humidity in December: 87%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (69%).
Average rainfall in December
Killskär, Sweden
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in December
Killskär, Sweden
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in December
Killskär, Sweden
- Average snowfall in December: 84mm
The month with the highest snowfall is March (103mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Killskär, Sweden
- Average snowfall days in December: 10.6 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Killskär, Sweden
- Average daylight in December: 5h and 54min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in December: 2h and 24min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in December
Killskär, Sweden
- Average sunshine days in December: 14 days
The month with the most sunshine days is April (17.3 days).
The month with the least sunshine days is July (13.2 days).
Average UV index in December
Killskär, 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, February and November (UV index 1).
Average cloud cover in December
Killskär, Sweden
- Average cloud cover in December: 64
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Killskär, Sweden
- Average visibility in December: 9km
The months with the highest visibility are January, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are February and March (8km).
