December weather forecastLomma, Sweden
December
Weather in December
December, the first month of the winter in Lomma, is also a wintry month, with temperature in the range of an average high of 4.5°C (40.1°F) and an average low of 1.8°C (35.2°F).Temperature
The arrival of December signals a subtle shift in temperature, down from a frosty 7.5°C (45.5°F) in November to a wintry 4.5°C (40.1°F). Lomma records a slight downturn in temperature to an average of 1.8°C (35.2°F) during December nights.Humidity
January, February and December, with an average relative humidity of 87%, are the most humid months.Rainfall
In Lomma, in December, it is raining for 17.2 days, with typically 41mm (1.61") of accumulated precipitation. In Lomma, Sweden, during the entire year, the rain falls for 176.8 days and collects up to 433mm (17.05") of precipitation.Snowfall
Months with snowfall in Lomma are January through April, November and December. In December, in Lomma, it is snowing for 7 days. Throughout December, 32mm (1.26") of snow is accumulated. In Lomma, Sweden, during the entire year, snow falls for 28.4 days and aggregates up to 131mm (5.16") of snow.Sea temperature
In December, the average sea temperature in Lomma is 5.8°C (42.4°F).Note: It is risky to swim in 5.8°C (42.4°F). Temperatures beneath 10°C (50°F) induce rapid cold shock and hyperventilation.
Daylight
December has the shortest days of the year, with an average of 7h and 6min of daylight.On the first day of the month, sunrise is at 08:13 and sunset at 15:40. On the last day of December, in Lomma, sunrise is at 08:36 and sunset at 15:45 CET.
Sunshine
With an average of 2.9h of sunshine, December has the least sunshine of the year in Lomma.UV index
In December, the average daily maximum UV index in Lomma is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lomma, Sweden
- Average high temperature in December: 4.5°C
The warmest month (with the highest average high temperature) is August (20.8°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in December: 1.8°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is February (-0.4°C).
Average pressure in December
Lomma, Sweden
- Average pressure in December: 1011.2mbar
The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).
Average wind speed in December
Lomma, Sweden
- Average wind speed in December: 20.3km/h
The windiest month (with the highest average wind speed) is December (20.3km/h).
The calmest months (with the lowest average wind speed) are June and July (14.9km/h).
Average humidity in December
Lomma, Sweden
- Average humidity in December: 87%
The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are April, May and June (74%).
Average rainfall in December
Lomma, Sweden
- Average rainfall in December: 41mm
The wettest month (with the highest rainfall) is August (54mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in December
Lomma, Sweden
- Average rainfall days in December: 17.2 days
The month with the highest number of rainy days is August (18.9 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in December
Lomma, Sweden
- Average snowfall in December: 32mm
The month with the highest snowfall is February (38mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Lomma, Sweden
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in December
Lomma, Sweden
- Average sea temperature in December: 5.8°C
The best month for swimming (with the highest average sea temperature) is August (17.7°C).
The coldest month (with the lowest average sea temperature) is February (2.4°C).
Average daylight in December /
Average sunshine in December
Lomma, Sweden
- Average daylight in December: 7h and 6min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in December: 2h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in December
Lomma, Sweden
- Average sunshine days in December: 6.3 days
The month with the most sunshine days is April (14.5 days).
The month with the least sunshine days is December (6.3 days).
Average UV index in December
Lomma, Sweden
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Lomma, Sweden
- Average cloud cover in December: 72
The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Lomma, Sweden
- Average visibility in December: 9km
The months with the highest visibility are April, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, May, October, November and December (9km).





