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
The arrival of December corresponds with a minor reduction in the average high-temperature, down from November's 4.5°C (40.1°F) to a still cold 0.7°C (33.3°F). In Blombacka, the average low-temperature during December nights tends to settle at a subzero cold -2.9°C (26.8°F), indicating a slight drop from the daytime peak.Humidity
The average relative humidity in December is 88%.Rainfall
In Blombacka, in December, during 10.4 rainfall days, 37mm (1.46") of precipitation is typically accumulated. Throughout the year, there are 144 rainfall days, and 480mm (18.9") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Blombacka, in December, snow falls for 9.2 days, with typically accumulated 100mm (3.94") of snow. Throughout the year, there are 50.1 snowfall days, and 533mm (20.98") of snow is accumulated.Daylight
With an average of 6h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:37 and sunset at 15:10. On the last day of December, sunrise is at 09:03 and sunset at 15:12 CET.
Sunshine
December has the least sunshine of the year, with an average of 3h of sunshine.UV index
January 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 health risk from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 1 in December transforms into the following instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
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?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Blombacka, Sweden
- Average high temperature in December: 0.7°C
The warmest month (with the highest average high temperature) is July (21.7°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in December: -2.9°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is February (-4.9°C).
Average pressure in December
Blombacka, Sweden
- Average pressure in December: 1007.9mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in December
Blombacka, Sweden
- Average wind speed in December: 12.5km/h
The windiest month (with the highest average wind speed) is January (12.6km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in December
Blombacka, Sweden
- Average humidity in December: 88%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (67%).
Average rainfall in December
Blombacka, Sweden
- Average rainfall in December: 37mm
The wettest month (with the highest rainfall) is July (54mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in December
Blombacka, Sweden
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
Blombacka, Sweden
- Average snowfall in December: 100mm
The month with the highest snowfall is January (144mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Blombacka, Sweden
- Average snowfall days in December: 9.2 days
The month with the highest number of snowfall days is February (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Blombacka, Sweden
- Average daylight in December: 6h and 1min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in December
Blombacka, Sweden
- Average sunshine days in December: 12.9 days
The month with the most sunshine days is April (17.3 days).
The month with the least sunshine days is February (11.9 days).
Average UV index in December
Blombacka, Sweden
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Blombacka, Sweden
- Average cloud cover in December: 64
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 43).
Average visibility in December
Blombacka, Sweden
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
