January weather forecastSiegen, Germany
January
Weather in January
January, the same as December, is an icy winter month in Siegen, Germany, with an average temperature varying between -2°C (28.4°F) and 2.2°C (36°F).Temperature
January is the coldest month of the year, registering average temperatures as high as 2.2°C (36°F) and as low as -2°C (28.4°F).Humidity
In Siegen, the average relative humidity in January is 92%.Rainfall
In Siegen, in January, it is raining for 12.2 days, with typically 56mm (2.2") of accumulated precipitation. In Siegen, Germany, during the entire year, the rain falls for 183.6 days and collects up to 635mm (25") of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 11.5 days and typically aggregates up to 116mm (4.57") of snow.Daylight
In Siegen, the average length of the day in January is 8h and 32min.On the first day of the month, sunrise is at 08:30 and sunset at 16:32. On the last day of January, sunrise is at 08:06 and sunset at 17:16 CET.
Sunshine
The average sunshine in January is 2.6h.UV index
The average daily maximum UV index in January in Siegen is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 2 in January translates into this advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To cut down UV radiation exposure by about half, sport a wide-brim hat. Note well! The intensity of the Sun's UV rays 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
Siegen, Germany
- Average high temperature in January: 2.2°C
The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (2.2°C).
- Average low temperature in January: -2°C
The month with the highest average low temperature is August (11.3°C).
The coldest months (with the lowest average low temperature) are January and February (-2°C).
Average pressure in January
Siegen, Germany
- Average pressure in January: 1016.8mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.8mbar).
Average wind speed in January
Siegen, Germany
- Average wind speed in January: 12.4km/h
The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in January
Siegen, Germany
- Average humidity in January: 92%
The month with the highest relative humidity is December (93%).
The month with the lowest relative humidity is April (77%).
Average rainfall in January
Siegen, Germany
- Average rainfall in January: 56mm
The wettest month (with the highest rainfall) is December (74mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in January
Siegen, Germany
- Average rainfall days in January: 12.2 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (10.7 days).
Average snowfall in January
Siegen, Germany
- Average snowfall in January: 116mm
The month with the highest snowfall is January (116mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Siegen, Germany
- Average snowfall days in January: 11.5 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Siegen, Germany
- Average daylight in January: 8h and 30min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in January: 2h and 36min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in January
Siegen, Germany
- Average sunshine days in January: 10.5 days
The month with the most sunshine days is October (13.8 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in January
Siegen, Germany
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in January
Siegen, Germany
- Average cloud cover in January: 75
The month with the most cloud cover is December (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 44).
Average visibility in January
Siegen, Germany
- Average visibility in January: 6km
The months with the highest visibility are March, April, May, June, July and August (8km).
The months with the lowest visibility are January, November and December (6km).





