January weather forecast
Wetzlar, Germany

January

Weather in January

January, the same as December, is an icy winter month in Wetzlar, Germany, with an average temperature fluctuating between 2.8°C (37°F) and -1.5°C (29.3°F).

Temperature

Wetzlar reaches its lowest average temperatures in January, measuring 2.8°C (37°F) at the peak and -1.5°C (29.3°F) at the lowest.

Humidity

The months with the highest humidity in Wetzlar are January and December, with an average relative humidity of 90%.

Rainfall

In January, in Wetzlar, the rain falls for 13.4 days. Throughout January, 35mm (1.38") of precipitation is accumulated. In Wetzlar, during the entire year, the rain falls for 168.8 days and collects up to 473mm (18.62") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In January, in Wetzlar, it is snowing for 8.5 days. Throughout January, 53mm (2.09") of snow is accumulated. In Wetzlar, during the entire year, snow falls for 26.9 days and aggregates up to 200mm (7.87") of snow.

Daylight

In January, the average length of the day is 8h and 35min.
On the first day of January, sunrise is at 08:26 and sunset at 16:31. On the last day of the month, sunrise is at 08:03 and sunset at 17:15 CET.

Sunshine

The average sunshine in January in Wetzlar, Germany, is 3.3h.

UV index

The average daily maximum UV index in January in Wetzlar is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

What time of the year is the coldest in Wetzlar?
With an average high-temperature of 2.8°C (37°F) and an average low-temperature of -1.5°C (29.3°F), January is the coldest month in Wetzlar.
How cold is it in Wetzlar in January?
The average high-temperature, in January, in Wetzlar, is 2.8°C (37°F), while the average low-temperature is -1.5°C (29.3°F).
What are the most humid months in Wetzlar?
The months with the highest humidity in Wetzlar are January and December, with an average relative humidity of 90%.
What is the average humidity in January in Wetzlar?
In Wetzlar, Germany, the average relative humidity in January is 90%.
How much does it rain in Wetzlar in January?
In Wetzlar, in January, during 13.4 rainfall days, 35mm (1.38") of precipitation is typically accumulated.
How many days does it snow in January in Wetzlar?
In Wetzlar, during January, snow falls for 8.5 days and regularly aggregates up to 53mm (2.09") of snow.
How many hours of daylight does Wetzlar have in January?
The average day length in January in Wetzlar is 8h and 35min.
When are sunrise and sunset in January in Wetzlar?
In January, on the first day of the month, sunrise is at 08:26 and sunset at 16:31. On the last day of the month, in Wetzlar, Germany, sunrise is at 08:03 and sunset at 17:15 CET.
How many hours of sunshine does Wetzlar have in January?
The average sunshine duration in January is 3.3h.
What is the UV index reading in January in Wetzlar?
In January, the average daily maximum UV index in Wetzlar is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January - Wetzlar, Germany
Average temperature in January
Wetzlar, Germany
  • Average high temperature in January: 2.8°C

The warmest month (with the highest average high temperature) is July (23.8°C).
The month with the lowest average high temperature is January (2.8°C).

  • Average low temperature in January: -1.5°C

The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.5°C).

Average pressure in January - Wetzlar, Germany
Average pressure in January
Wetzlar, Germany
  • Average pressure in January: 1017.2mbar

The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).

Average wind speed in January - Wetzlar, Germany
Average wind speed in January
Wetzlar, Germany
  • Average wind speed in January: 12km/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 (8.5km/h).

Average humidity in January - Wetzlar, Germany
Average humidity in January
Wetzlar, Germany
  • Average humidity in January: 90%

The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are April, July and August (74%).

Average rainfall in January - Wetzlar, Germany
Average rainfall in January
Wetzlar, Germany
  • Average rainfall in January: 35mm

The wettest month (with the highest rainfall) is August (52mm).
The driest month (with the least rainfall) is April (27mm).

Average rainfall days in January - Wetzlar, Germany
Average rainfall days in January
Wetzlar, Germany
  • Average rainfall days in January: 13.4 days

The month with the highest number of rainy days is July (17.3 days).
The months with the least rainy days are February and September (11.5 days).

Average snowfall in January - Wetzlar, Germany
Average snowfall in January
Wetzlar, Germany
  • Average snowfall in January: 53mm

The month with the highest snowfall is December (66mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in January - Wetzlar, Germany
Average snowfall days in January
Wetzlar, Germany
  • Average snowfall days in January: 8.5 days

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January / Average sunshine in January - Wetzlar, Germany
Average daylight in January /
Average sunshine in January
Wetzlar, 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: 3h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).

Average sunshine days in January - Wetzlar, Germany
Average sunshine days in January
Wetzlar, Germany
  • Average sunshine days in January: 11.6 days

The month with the most sunshine days is October (16 days).
The month with the least sunshine days is December (9.5 days).

Average UV index in January - Wetzlar, Germany
Average UV index in January
Wetzlar, Germany
  • Average UV index in January: 2

The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in January - Wetzlar, Germany
Average cloud cover in January
Wetzlar, Germany
  • Average cloud cover in January: 67

The month with the most cloud cover is December (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 38).

Average visibility in January - Wetzlar, Germany
Average visibility in January
Wetzlar, Germany
  • Average visibility in January: 7km

The months with the highest visibility are March, April, June, July and August (9km).
The months with the lowest visibility are January, October, November and December (7km).

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