December weather forecastMjällby, Sweden
December
Weather in December
December, the first month of the winter in Mjällby, is also an icy month, with temperature in the range of an average high of 4.5°C (40.1°F) and an average low of 2.1°C (35.8°F).Temperature
December's onset introduces a mild reduction in the average high-temperature, from a frosty 7.8°C (46°F) in November to a wintry 4.5°C (40.1°F). Mjällby records a negligible downturn from daytime temperatures, averaging a low of 2.1°C (35.8°F) in the month of December.Humidity
The average relative humidity in December in Mjällby is 84%.Rainfall
In Mjällby, during December, the rain falls for 13.9 days and regularly aggregates up to 31mm (1.22") of precipitation. In Mjällby, during the entire year, the rain falls for 139.4 days and collects up to 346mm (13.62") of precipitation.Snowfall
January through April, November and December are months with snowfall in Mjällby. In Mjällby, during December, snow falls for 5.4 days and regularly aggregates up to 33mm (1.3") of snow. In Mjällby, Sweden, during the entire year, snow falls for 30 days and aggregates up to 138mm (5.43") of snow.Daylight
December has the shortest days of the year in Mjällby, with an average of 7h and 6min of daylight.On the first day of the month, sunrise is at 08:09 and sunset at 15:31. On the last day of December, in Mjällby, sunrise is at 08:32 and sunset at 15:36 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.1h of sunshine.UV index
In December, the average daily maximum UV index in Mjällby is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mjällby, Sweden
- Average high temperature in December: 4.5°C
The warmest month (with the highest average high temperature) is August (19.6°C).
The month with the lowest average high temperature is February (2.4°C).
- Average low temperature in December: 2.1°C
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (0.1°C).
Average pressure in December
Mjällby, Sweden
- Average pressure in December: 1010.9mbar
The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is December (1010.9mbar).
Average wind speed in December
Mjällby, Sweden
- Average wind speed in December: 25.6km/h
The windiest month (with the highest average wind speed) is December (25.6km/h).
The calmest month (with the lowest average wind speed) is June (18.3km/h).
Average humidity in December
Mjällby, Sweden
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, May and June (76%).
Average rainfall in December
Mjällby, Sweden
- Average rainfall in December: 31mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Mjällby, Sweden
- Average rainfall days in December: 13.9 days
The month with the highest number of rainy days is November (15.2 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Mjällby, Sweden
- Average snowfall in December: 33mm
The month with the highest snowfall is February (44mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Mjällby, Sweden
- Average snowfall days in December: 5.4 days
The month with the highest number of snowfall days is February (9.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mjällby, Sweden
- Average daylight in December: 7h and 6min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in December: 3h and 6min
The months with the most sunshine are June and August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in December
Mjällby, Sweden
- Average sunshine days in December: 9.8 days
The month with the most sunshine days is April (18.6 days).
The month with the least sunshine days is December (9.8 days).
Average UV index in December
Mjällby, Sweden
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Mjällby, Sweden
- Average cloud cover in December: 69
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Mjällby, Sweden
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).
