January Weather in Aerzen, Germany

Last updated: August 23, 2025

In January, the average temperature in Aerzen, Germany hovers around 2°C (36°F). While you might experience a chilly minimum of -10°C (15°F), the mercury can also rise to a pleasant 14°C (57°F). Be prepared for 73 mm (2.9 in) of precipitation over 13 days, and don’t forget your umbrella, as the average humidity is quite high at 92%.

January Temperature in Aerzen

In January in Aerzen, the average temperature is 2°C (36°F). Maximum temperatures can reach 14°C (57°F), while the minimum can drop to as low as -10°C (15°F). Travelers should be prepared for chilly conditions and pack accordingly for both cold and mild weather.

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

The chart illustrates January temperature patterns in Aerzen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aerzen, January typically has an average temperature of 2°C (36°F), with highs reaching up to 14°C (57°F) and lows dropping to around -10°C (15°F).

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

January Precipitation in Aerzen

In Aerzen in January, the precipitation amount is 73 mm (2.9 in) over the course of 13 days.

January Precipitation Trends in Aerzen

The chart displays monthly precipitation patterns in Aerzen, 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 Aerzen, January typically receives around 73 mm (2.9 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 Aerzen

In Aerzen in January humidity is 92%. With an average temperature of 2°C (36°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and requiring extra layers to stay warm and dry.

January Average Humidity in Aerzen

This chart illustrates the average monthly humidity levels in Aerzen, 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 Aerzen 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 Aerzen

In Aerzen 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 Aerzen.

Maximum UV Index Levels in Aerzen for January

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

Data source: Aerzen 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 Aerzen Compares to Other Months

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

This table compares monthly weather conditions in Aerzen, 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 (36°F)	73 mm (2.9 inches)	92%	low
February Weather	3°C (38°F)	75 mm (3.0 inches)	90%	low
March Weather	5°C (42°F)	77 mm (3.0 inches)	87%	moderate
April Weather	9°C (48°F)	46 mm (1.8 inches)	83%	moderate
May Weather	13°C (55°F)	68 mm (2.7 inches)	76%	high
June Weather	18°C (64°F)	74 mm (2.9 inches)	74%	very high
July Weather	18°C (65°F)	99 mm (3.9 inches)	74%	very high
August Weather	18°C (66°F)	78 mm (3.1 inches)	75%	high
September Weather	14°C (58°F)	59 mm (2.3 inches)	82%	moderate
October Weather	11°C (52°F)	84 mm (3.3 inches)	88%	moderate
November Weather	6°C (43°F)	51 mm (2.0 inches)	90%	low
December Weather	4°C (39°F)	84 mm (3.3 inches)	92%	low