December weather forecastLilleby, Sweden
December weather for Lilleby, Sweden: In Lilleby, during December, the rain falls for 15.6 days and regularly aggregates up to 52mm (2.05") of precipitation. In Lilleby, during December, the rain falls for 15.6 days and regularly aggregates up to 52mm (2.05") of precipitation.
December
Weather in December
The first month of the winter, December, is also a wintry month in Lilleby, Sweden, with an average temperature varying between 3.5°C (38.3°F) and 0.8°C (33.4°F).Temperature
As November makes way for December, Lilleby's average high-temperature eases from a frosty 6.7°C (44.1°F) to a cold 3.5°C (38.3°F). Lilleby sees a gentle drop from the daily peak temperature in December, with an average low settling at a still wintry 0.8°C (33.4°F).Humidity
In Lilleby, the average relative humidity in December is 86%.Rainfall
In Lilleby, during December, the rain falls for 15.6 days and regularly aggregates up to 52mm (2.05") of precipitation. In Lilleby, during the entire year, the rain falls for 174 days and collects up to 572mm (22.52") of precipitation.Snowfall
Months with snowfall are January through May, September through December. In December, in Lilleby, it is snowing for 4.9 days. Throughout December, 41mm (1.61") of snow is accumulated. In Lilleby, during the entire year, snow falls for 29.8 days and aggregates up to 211mm (8.31") of snow.Daylight
December has the shortest days of the year, with an average of 6h and 42min of daylight.On the first day of the month, sunrise is at 08:31 and sunset at 15:32. On the last day of December, in Lilleby, sunrise is at 08:56 and sunset at 15:35 CET.
Sunshine
In December, the average sunshine in Lilleby is 3.8h.UV index
The months with the lowest UV index in Lilleby are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lilleby, Sweden
- Average high temperature in December: 3.5°C
The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is February (1.6°C).
- Average low temperature in December: 0.8°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is February (-1.3°C).
Average pressure in December
Lilleby, Sweden
- Average pressure in December: 1008.8mbar
The month with the highest atmospheric pressure is April (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.8mbar).
Average wind speed in December
Lilleby, Sweden
- Average wind speed in December: 21.2km/h
The windiest month (with the highest average wind speed) is December (21.2km/h).
The calmest month (with the lowest average wind speed) is June (15.3km/h).
Average humidity in December
Lilleby, Sweden
- Average humidity in December: 86%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (73%).
Average rainfall in December
Lilleby, Sweden
- Average rainfall in December: 52mm
The wettest month (with the highest rainfall) is August (69mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in December
Lilleby, Sweden
- Average rainfall days in December: 15.6 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is February (8.7 days).
Average snowfall in December
Lilleby, Sweden
- Average snowfall in December: 41mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Lilleby, Sweden
- Average snowfall days in December: 4.9 days
The month with the highest number of snowfall days is February (9.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Lilleby, Sweden
- Average daylight in December: 6h and 42min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in December: 3h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in December
Lilleby, Sweden
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is August (9 days).
Average UV index in December
Lilleby, 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, March, October, November and December (UV index 2).
Average cloud cover in December
Lilleby, Sweden
- Average cloud cover in December: 63
The months with the most cloud cover are January, February, November and December (Cloud cover 63).
The months with the least cloud cover are June and July (Cloud cover 38).
Average visibility in December
Lilleby, Sweden
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).





