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
Weather in December
Temperature
In the transition to December, Stora Mellby observes a minor drop in the average high-temperature, shifting from an icy 5.5°C (41.9°F) in November to a still wintry 1.8°C (35.2°F). Stora Mellby registers a steady nighttime temperature averaging a subzero cold -1.6°C (29.1°F) throughout December.Humidity
The months with the highest humidity in Stora Mellby, Sweden, are January, February, November and December, with an average relative humidity of 89%.Rainfall
In Stora Mellby, Sweden, in December, it is raining for 12.5 days, with typically 44mm (1.73") of accumulated precipitation. Throughout the year, in Stora Mellby, there are 165.8 rainfall days, and 487mm (19.17") of precipitation is accumulated.Snowfall
Months with snowfall in Stora Mellby are January through May, October through December. In Stora Mellby, in December, snow falls for 8.9 days, with typically accumulated 66mm (2.6") of snow. Throughout the year, in Stora Mellby, there are 48.3 snowfall days, and 378mm (14.88") of snow is accumulated.Daylight
With an average of 6h and 36min of daylight, December has the shortest days of the year.On the first day of December in Stora Mellby, Sweden, sunrise is at 08:31 and sunset at 15:26. On the last day of the month, sunrise is at 08:56 and sunset at 15:29 CET.
Sunshine
The average sunshine in December is 3.4h.UV index
The average daily maximum UV index in December in Stora Mellby is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
How cold is it in Stora Mellby in December?
What are the most humid months in Stora Mellby?
What is the average humidity in December in Stora Mellby?
How much does it rain in Stora Mellby in December?
How many days does it snow in December in Stora Mellby?
What is the month with the shortest days in Stora Mellby?
How many hours of daylight does Stora Mellby have in December?
When is the sunrise / sunset in December in Stora Mellby?
How long on average sun shines in December in Stora Mellby?
What is the UV index intensity in December in Stora Mellby?
Average temperature in December
Stora Mellby, Sweden
- Average high temperature in December: 1.8°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in December: -1.6°C
The month with the highest average low temperature is July (12°C).
The coldest month (with the lowest average low temperature) is February (-3.3°C).
Average pressure in December
Stora Mellby, Sweden
- Average pressure in December: 1008.6mbar
The months with the highest atmospheric pressure are April and May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in December
Stora Mellby, Sweden
- Average wind speed in December: 15.6km/h
The windiest month (with the highest average wind speed) is December (15.6km/h).
The calmest month (with the lowest average wind speed) is July (11.9km/h).
Average humidity in December
Stora Mellby, Sweden
- Average humidity in December: 89%
The months with the highest relative humidity are January, February, November and December (89%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in December
Stora Mellby, Sweden
- Average rainfall in December: 44mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in December
Stora Mellby, Sweden
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in December
Stora Mellby, Sweden
- Average snowfall in December: 66mm
The months with the highest snowfall are January and February (98mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Stora Mellby, Sweden
- Average snowfall days in December: 8.9 days
The month with the highest number of snowfall days is February (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Stora Mellby, Sweden
- Average daylight in December: 6h and 4min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 36min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in December
Stora Mellby, Sweden
- Average sunshine days in December: 9.8 days
The month with the most sunshine days is April (15 days).
The month with the least sunshine days is December (9.8 days).
Average UV index in December
Stora Mellby, Sweden
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Stora Mellby, Sweden
- Average cloud cover in December: 67
The month with the most cloud cover is December (Cloud cover 67).
The months with the least cloud cover are April, May, June and July (Cloud cover 43).
Average visibility in December
Stora Mellby, 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, February, March, November and December (8km).
Stora Mellby, Sweden
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