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 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
January
Weather in January
Temperature
January is the coldest month of the year, registering average temperatures as high as 2.6°C (36.7°F) and as low as -1.8°C (28.8°F).Humidity
The most humid month in Roetgen, Germany, is January, with an average relative humidity of 92%.Rainfall
In January, the rain falls for 9.8 days. Throughout January, 53mm (2.09") of precipitation is accumulated. In Roetgen, during the entire year, the rain falls for 173 days and collects up to 647mm (25.47") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Roetgen, in January, during 13 snowfall days, 134mm (5.28") of snow is typically accumulated. In Roetgen, during the entire year, snow falls for 57.2 days and aggregates up to 734mm (28.9") of snow.Daylight
In January, the average length of the day in Roetgen is 8h and 34min.On the first day of the month, sunrise is at 08:36 and sunset at 16:40. On the last day of January, sunrise is at 08:12 and sunset at 17:24 CET.
Sunshine
In Roetgen, Germany, the average sunshine in January is 2.9h.UV index
The months with the lowest UV index in Roetgen are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 2 in January translates into these instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Roetgen?
How cold is it in Roetgen in January?
What is the most humid month in Roetgen?
What is the average humidity in January in Roetgen?
How much does it rain in Roetgen in January?
How many days does it snow in January in Roetgen?
What is the average length of the day in January in Roetgen?
What time are sunrise and sunset in January in Roetgen?
How many hours of sunshine does Roetgen have in January?
What are the months with the lowest UV index in Roetgen?
What is the UV index intensity in January in Roetgen?
Average temperature in January
Roetgen, Germany
- Average high temperature in January: 2.6°C
The warmest month (with the highest average high temperature) is August (20.7°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in January: -1.8°C
The months with the highest average low temperature are July and August (11.3°C).
The coldest months (with the lowest average low temperature) are January and February (-1.8°C).
Average pressure in January
Roetgen, Germany
- Average pressure in January: 1016.8mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in January
Roetgen, Germany
- 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 August (10.5km/h).
Average humidity in January
Roetgen, Germany
- Average humidity in January: 92%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (80%).
Average rainfall in January
Roetgen, Germany
- Average rainfall in January: 53mm
The wettest month (with the highest rainfall) is June (67mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in January
Roetgen, Germany
- Average rainfall days in January: 9.8 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in January
Roetgen, Germany
- Average snowfall in January: 134mm
The month with the highest snowfall is February (159mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Roetgen, Germany
- Average snowfall days in January: 13 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Roetgen, Germany
- Average daylight in January: 8h and 4min
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 6min).
- Average sunshine in January: 2h and 5min
The month with the most sunshine is August (Average sunshine: 8h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in January
Roetgen, Germany
- Average sunshine days in January: 10.5 days
The month with the most sunshine days is October (14.8 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in January
Roetgen, Germany
- Average UV index in January: 2
The month with the highest UV index is 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 January
Roetgen, Germany
- Average cloud cover in January: 72
The month with the most cloud cover is December (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 47).
Average visibility in January
Roetgen, Germany
- Average visibility in January: 7km
The months with the highest visibility are February, March, April, May, June, July, August, October and December (8km).
The months with the lowest visibility are January, September and November (7km).
