January Weather in Leun, Germany

Last updated: August 23, 2025

In Leun, Germany, the average temperature in January hovers around 2°C (35°F), with temperatures dipping as low as -12°C (10°F) and peaking at 12°C (54°F). Expect a wet month, with 69 mm (2.7 in) of precipitation spread over about 12 days. The air will feel quite humid, with an average humidity of 92%—perfect for cozy indoor activities!

January Temperature in Leun

In January in Leun, the average temperature is 2°C (35°F). Maximums can reach 12°C (54°F) and minimums can be as low as -12°C (10°F). Travelers should be prepared for chilly temperatures and potential cold snaps during this time.

January Weather in Leun: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Leun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Leun, January typically has an average temperature of 2°C (35°F), with highs reaching up to 12°C (54°F) and lows dropping to around -12°C (10°F).

Data source: Temperature data for Leun generated using information from the Copernicus Climate Change Service.

January Precipitation in Leun

In Leun in January, the precipitation amount is 69 mm (2.7 in) over the span of 12 days.

January Precipitation Trends in Leun

The chart displays monthly precipitation patterns in Leun, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Leun, January typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Leun

In Leun in January humidity is 92%. With an average temperature of 2°C (35°F), this humidity feels like a damp, chilling fog that clings to your skin, making outdoor activities uncomfortable and travel challenging as you navigate through the heavy, cold air.

January Average Humidity in Leun

This chart illustrates the average monthly humidity levels in Leun, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Leun is approximately 92%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Leun

In Leun in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Leun, you can visit Hourly UV Index in Leun.

Maximum UV Index Levels in Leun for January

The chart shows the monthly maximum UV Index (UVI) for Leun in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Leun typically reaches 2, which falls under the low exposure category.

Data source: Leun January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Leun Compares to Other Months

Weather in Leun varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Leun, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Leun, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	69 mm (2.7 inches)	92%	low
February Weather	3°C (38°F)	63 mm (2.5 inches)	90%	low
March Weather	6°C (42°F)	76 mm (3.0 inches)	87%	moderate
April Weather	9°C (49°F)	39 mm (1.5 inches)	83%	moderate
May Weather	13°C (55°F)	78 mm (3.1 inches)	76%	high
June Weather	18°C (65°F)	78 mm (3.1 inches)	74%	very high
July Weather	19°C (66°F)	75 mm (3.0 inches)	74%	very high
August Weather	19°C (66°F)	75 mm (3.0 inches)	75%	high
September Weather	15°C (58°F)	50 mm (2.0 inches)	82%	moderate
October Weather	10°C (51°F)	61 mm (2.4 inches)	88%	moderate
November Weather	5°C (42°F)	48 mm (1.9 inches)	90%	low
December Weather	3°C (38°F)	102 mm (4.0 inches)	92%	low