December weather forecastHyllinge, Sweden
December
Weather in December
The first month of the winter, December, is also an icy month in Hyllinge, Sweden, with an average temperature fluctuating between 3.7°C (38.7°F) and 1°C (33.8°F).Temperature
December brings a slight decrease in the average high-temperature, shifting from a frosty 7.3°C (45.1°F) in November to a cold 3.7°C (38.7°F). The nights of December anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 1°C (33.8°F).Humidity
January, February, November and December, with an average relative humidity of 88%, are the most humid months in Hyllinge.Rainfall
In Hyllinge, during December, the rain falls for 16.9 days and regularly aggregates up to 41mm (1.61") of precipitation. In Hyllinge, during the entire year, the rain falls for 172.7 days and collects up to 428mm (16.85") of precipitation.Snowfall
January through April, October through December are months with snowfall. In Hyllinge, in December, during 7.3 snowfall days, 44mm (1.73") of snow is typically accumulated. Throughout the year, there are 33.3 snowfall days, and 203mm (7.99") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 6min of daylight.On the first day of December in Hyllinge, sunrise is at 08:16 and sunset at 15:38. On the last day of the month, sunrise is at 08:40 and sunset at 15:43 CET.
Sunshine
With an average of 2.8h of sunshine, December has the least sunshine of the year in Hyllinge.UV index
The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hyllinge, Sweden
- Average high temperature in December: 3.7°C
The warmest month (with the highest average high temperature) is July (20.9°C).
The month with the lowest average high temperature is January (2.1°C).
- Average low temperature in December: 1°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (-1.1°C).
Average pressure in December
Hyllinge, Sweden
- Average pressure in December: 1010.7mbar
The month with the highest atmospheric pressure is April (1015.5mbar).
The month with the lowest atmospheric pressure is December (1010.7mbar).
Average wind speed in December
Hyllinge, Sweden
- Average wind speed in December: 17.5km/h
The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is July (13km/h).
Average humidity in December
Hyllinge, Sweden
- Average humidity in December: 88%
The months with the highest relative humidity are January, February, November and December (88%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in December
Hyllinge, Sweden
- Average rainfall in December: 41mm
The wettest month (with the highest rainfall) is August (49mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in December
Hyllinge, Sweden
- Average rainfall days in December: 16.9 days
The month with the highest number of rainy days is August (18.2 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in December
Hyllinge, Sweden
- Average snowfall in December: 44mm
The month with the highest snowfall is February (65mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Hyllinge, Sweden
- Average snowfall days in December: 7.3 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hyllinge, 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: 2h and 48min
The months with the most sunshine are June and August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in December
Hyllinge, Sweden
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is April (14.9 days).
The month with the least sunshine days is December (7.5 days).
Average UV index in December
Hyllinge, 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
Hyllinge, Sweden
- Average cloud cover in December: 73
The month with the most cloud cover is December (Cloud cover 73).
The months with the least cloud cover are June and August (Cloud cover 41).
Average visibility in December
Hyllinge, Sweden
- Average visibility in December: 9km
The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (8km).





