January Weather in Herne, Germany

Last updated: August 23, 2025

In January, the average temperature in Herne, Germany hovers around 3°C (38°F), with a minimum dipping to -9°C (17°F) and a maximum reaching 14°C (57°F). Expect to see 80 mm (3.2 in) of precipitation spread over 13 days, and prepare for high humidity levels averaging 91%.

January Temperature in Herne

In January in Herne, the average temperature is 3°C (38°F). Maximums can reach 14°C (57°F), while minimums can drop to as low as -9°C (17°F). Be prepared for chilly weather and pack accordingly if you plan to visit during this time.

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

The chart illustrates January temperature patterns in Herne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Herne, January typically has an average temperature of 3°C (38°F), with highs reaching up to 14°C (57°F) and lows dropping to around -9°C (17°F).

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

January Precipitation in Herne

In Herne in January, the precipitation amount is 80 mm (3.2 in) spread over 13 days.

January Precipitation Trends in Herne

The chart displays monthly precipitation patterns in Herne, 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 Herne, January typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 13 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 Herne

In Herne in January humidity is 91%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and necessitating layered clothing to stay warm and dry during your travels.

January Average Humidity in Herne

This chart illustrates the average monthly humidity levels in Herne, 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 Herne is approximately 91%, 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 Herne

In Herne in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Herne.

Maximum UV Index Levels in Herne for January

The chart shows the monthly maximum UV Index (UVI) for Herne 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 Herne typically reaches 1, which falls under the low exposure category.

Data source: Herne 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 Herne Compares to Other Months

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

This table compares monthly weather conditions in Herne, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	80 mm (3.2 inches)	91%	low
February Weather	4°C (40°F)	85 mm (3.4 inches)	90%	low
March Weather	7°C (44°F)	85 mm (3.4 inches)	87%	moderate
April Weather	10°C (50°F)	39 mm (1.5 inches)	84%	moderate
May Weather	14°C (57°F)	70 mm (2.7 inches)	77%	high
June Weather	19°C (66°F)	67 mm (2.6 inches)	74%	very high
July Weather	19°C (66°F)	98 mm (3.9 inches)	72%	very high
August Weather	19°C (66°F)	77 mm (3.0 inches)	71%	high
September Weather	15°C (59°F)	67 mm (2.6 inches)	81%	moderate
October Weather	12°C (53°F)	97 mm (3.8 inches)	88%	moderate
November Weather	7°C (44°F)	59 mm (2.3 inches)	91%	low
December Weather	5°C (41°F)	108 mm (4.2 inches)	92%	low