Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average sea temperature in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Lowest temperatures in Roskilde are observed in January and February, averaging a high-temperature of 2.8°C (37°F).Humidity
January, November and December, with an average relative humidity of 88%, are the most humid months.Rainfall
In Roskilde, Denmark, during January, the rain falls for 10.1 days and regularly aggregates up to 24mm (0.94") of precipitation. In Roskilde, during the entire year, the rain falls for 166.6 days and collects up to 341mm (13.43") of precipitation.Snowfall
Months with snowfall in Roskilde are January through April, November and December. In Roskilde, in January, during 8.3 snowfall days, 34mm (1.34") of snow is typically accumulated. In Roskilde, during the entire year, snow falls for 26.6 days and aggregates up to 122mm (4.8") of snow.Sea temperature
In Roskilde, Denmark, in January, the average water temperature is 2.2°C (36°F).Note: With respect to swimming, this presents an immediate life risk. Instant loss of breath control impedes logical thought. The use of a specialized swimsuit is vital to curb thermal loss.
Daylight
The average length of the day in January in Roskilde, Denmark, is 7h and 47min.On the first day of January, sunrise is at 08:40 and sunset at 15:49. On the last day of the month, sunrise is at 08:07 and sunset at 16:42 CET.
Sunshine
The average sunshine in January is 3.1h.UV index
The month with the lowest UV index in Roskilde is January, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In January, a regular UV index of 1 translates into these guidelines:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What is the coldest time of year in Roskilde?
How cold is it in Roskilde in January?
What are the most humid months in Roskilde?
What is the average humidity in January in Roskilde?
How many days does it rain in January in Roskilde?
How many days does it snow in January in Roskilde?
How cold is the water in January in Roskilde?
What is the average length of the day in January in Roskilde?
When is the sunrise / sunset in January in Roskilde?
How long on average sun shines in January in Roskilde?
When is the lowest UV index in Roskilde?
How high is the UV index in January in Roskilde?
Average temperature in January
Roskilde, Denmark
- Average high temperature in January: 2.8°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The months with the lowest average high temperature are January and February (2.8°C).
- Average low temperature in January: -0.1°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 (-0.6°C).
Average pressure in January
Roskilde, 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 December (1011.2mbar).
Average wind speed in January
Roskilde, Denmark
- Average wind speed in January: 18.4km/h
The windiest month (with the highest average wind speed) is December (19.1km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).
Average humidity in January
Roskilde, Denmark
- Average humidity in January: 88%
The months with the highest relative humidity are January, November and December (88%).
The months with the lowest relative humidity are April, May, June and July (77%).
Average rainfall in January
Roskilde, Denmark
- Average rainfall in January: 24mm
The wettest month (with the highest rainfall) is August (45mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in January
Roskilde, Denmark
- Average rainfall days in January: 10.1 days
The months with the highest number of rainy days are July and August (16.9 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in January
Roskilde, Denmark
- Average snowfall in January: 34mm
The month with the highest snowfall is February (35mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Roskilde, Denmark
- Average snowfall days in January: 8.3 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
Roskilde, Denmark
- Average sea temperature in January: 2.2°C
The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is February (2.1°C).
Average daylight in January /
Average sunshine in January
Roskilde, Denmark
- Average daylight in January: 7h and 5min
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 1min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in January
Roskilde, Denmark
- Average sunshine days in January: 12.8 days
The month with the most sunshine days is April (14.6 days).
The month with the least sunshine days is August (9.8 days).
Average UV index in January
Roskilde, Denmark
- Average UV index in January: 1
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Roskilde, Denmark
- Average cloud cover in January: 69
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in January
Roskilde, Denmark
- Average visibility in January: 9km
The months with the highest visibility are April, June, August and September (10km).
The months with the lowest visibility are January, February, March, May, July, October, November and December (9km).
Roskilde, Denmark
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