January weather forecastSlagelse, Denmark
January
Weather in January
January in Slagelse appears to be a chilly period, highlighting the start of a new year with a noticeable cold. The high humidity of 89% hangs heavy in the winter air. When the city experiences 32mm (1.26") of snow spread out on 8.5 days, it provides an idyllic winter scene. Comparatively, January has colder weather than February, while the snowfall is lower in the following month. With shorter daylight and sun hours, it is undeniably the darkest month of the year, with a stark contrast from the longer sunny periods in February.Temperature
The coldest temperatures in Slagelse occur during January, when averages reach a peak of 2.8°C (37°F) and a low of -0.3°C (31.5°F).Humidity
January, November and December, with an average relative humidity of 89%, are the most humid months in Slagelse, Denmark.Rainfall
In Slagelse, in January, it is raining for 10.3 days, with typically 21mm (0.83") of accumulated precipitation. In Slagelse, Denmark, during the entire year, the rain falls for 153.4 days and collects up to 293mm (11.54") of precipitation.Snowfall
January through April, November and December are months with snowfall. In Slagelse, in January, snow falls for 8.5 days, with typically accumulated 32mm (1.26") of snow. In Slagelse, during the entire year, snow falls for 30.5 days and aggregates up to 137mm (5.39") of snow.Daylight
In Slagelse, the average length of the day in January is 7h and 50min.On the first day of January, sunrise is at 08:41 and sunset at 15:53. On the last day of the month, sunrise is at 08:09 and sunset at 16:46 CET.
Sunshine
The months with the least sunshine are January, February and December, with an average of 3h of sunshine.UV index
The month with the lowest UV index is January, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 1 during January translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Slagelse, Denmark
- Average high temperature in January: 2.8°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 (2.8°C).
- Average low temperature in January: -0.3°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (-0.7°C).
Average pressure in January
Slagelse, Denmark
- Average pressure in January: 1012.8mbar
The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).
Average wind speed in January
Slagelse, Denmark
- Average wind speed in January: 16.6km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is July (13km/h).
Average humidity in January
Slagelse, Denmark
- Average humidity in January: 89%
The months with the highest relative humidity are January, November and December (89%).
The months with the lowest relative humidity are May and June (77%).
Average rainfall in January
Slagelse, Denmark
- Average rainfall in January: 21mm
The wettest month (with the highest rainfall) is August (37mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in January
Slagelse, Denmark
- Average rainfall days in January: 10.3 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is February (8.7 days).
Average snowfall in January
Slagelse, Denmark
- Average snowfall in January: 32mm
The month with the highest snowfall is December (40mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Slagelse, Denmark
- Average snowfall days in January: 8.5 days
The month with the highest number of snowfall days is February (8.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Slagelse, Denmark
- Average daylight in January: 7h and 48min
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 12min).
- Average sunshine in January: 3h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 0min).
Average sunshine days in January
Slagelse, Denmark
- Average sunshine days in January: 13.2 days
The month with the most sunshine days is April (17.1 days).
The month with the least sunshine days is December (9.5 days).
Average UV index in January
Slagelse, Denmark
- Average UV index in January: 1
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 January
Slagelse, Denmark
- Average cloud cover in January: 70
The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in January
Slagelse, Denmark
- Average visibility in January: 8km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, November and December (8km).





