January weather forecastMettmann, Germany
January
Weather in January
January, like December, in Mettmann, Germany, is a wintry winter month, with an average temperature varying between 4.2°C (39.6°F) and 0.3°C (32.5°F).Temperature
January is the coldest month, exhibiting average temperatures of 4.2°C (39.6°F) at the peak and 0.3°C (32.5°F) at the base.Humidity
In January, the average relative humidity is 87%.Rainfall
In Mettmann, in January, it is raining for 13.2 days, with typically 50mm (1.97") of accumulated precipitation. In Mettmann, during the entire year, the rain falls for 177.1 days and collects up to 547mm (21.54") of precipitation.Snowfall
Months with snowfall are January through April, November and December. January is the month with the most snowfall. Snow falls for 7.3 days and accumulates 76mm (2.99") of snow.Daylight
In Mettmann, the average length of the day in January is 8h and 29min.On the first day of the month, sunrise is at 08:36 and sunset at 16:34. On the last day of January, sunrise is at 08:11 and sunset at 17:19 CET.
Sunshine
In Mettmann, the average sunshine in January is 3.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. 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 UV index of 2 during January leads to these advisories:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Mettmann, Germany
- Average high temperature in January: 4.2°C
The warmest month (with the highest average high temperature) is July (23.6°C).
The month with the lowest average high temperature is January (4.2°C).
- Average low temperature in January: 0.3°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in January
Mettmann, Germany
- Average pressure in January: 1016.4mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.2mbar).
Average wind speed in January
Mettmann, Germany
- Average wind speed in January: 13.9km/h
The windiest month (with the highest average wind speed) is February (14.4km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in January
Mettmann, Germany
- Average humidity in January: 87%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (71%).
Average rainfall in January
Mettmann, Germany
- Average rainfall in January: 50mm
The wettest month (with the highest rainfall) is December (67mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in January
Mettmann, Germany
- Average rainfall days in January: 13.2 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is February (12.1 days).
Average snowfall in January
Mettmann, Germany
- Average snowfall in January: 76mm
The month with the highest snowfall is January (76mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Mettmann, Germany
- Average snowfall days in January: 7.3 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Mettmann, Germany
- Average daylight in January: 8h and 30min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in January: 3h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in January
Mettmann, Germany
- Average sunshine days in January: 11.3 days
The month with the most sunshine days is April (15.2 days).
The month with the least sunshine days is December (9.8 days).
Average UV index in January
Mettmann, Germany
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Mettmann, Germany
- Average cloud cover in January: 62
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in January
Mettmann, Germany
- 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).








