January Weather in Giessen, Germany

Last updated: August 23, 2025

In January, the average temperature in Giessen, Germany rests at a brisk 2°C (36°F). Expect chilly lows of -10°C (13°F) and mild highs reaching 12°C (55°F). During this month, precipitation typically totals 62 mm (2.4 in), spread across about 12 days, contributing to an average humidity of a high 92%. Be prepared for a wet and cool atmosphere!

January Temperature in Giessen

In January in Giessen, the average temperature is 2°C (36°F). The maximum can reach 12°C (55°F), and the minimum can be as low as -10°C (13°F). Be prepared for chilly weather and pack accordingly if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Giessen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Giessen, January typically has an average temperature of 2°C (36°F), with highs reaching up to 12°C (55°F) and lows dropping to around -10°C (13°F).

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

January Precipitation in Giessen

In Giessen in January, the precipitation amount is 62 mm (2.4 in) spread over 12 days.

January Precipitation Trends in Giessen

The chart displays monthly precipitation patterns in Giessen, 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 Giessen, January typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Giessen

In Giessen 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 Giessen

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

In Giessen 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 Giessen, you can visit Hourly UV Index in Giessen.

Maximum UV Index Levels in Giessen for January

The chart shows the monthly maximum UV Index (UVI) for Giessen 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 Giessen typically reaches 2, which falls under the low exposure category.

Data source: Giessen 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 Giessen Compares to Other Months

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

This table compares monthly weather conditions in Giessen, 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)	62 mm (2.4 inches)	92%	low
February Weather	3°C (38°F)	54 mm (2.1 inches)	90%	low
March Weather	6°C (43°F)	66 mm (2.6 inches)	87%	moderate
April Weather	10°C (50°F)	36 mm (1.4 inches)	83%	moderate
May Weather	13°C (56°F)	73 mm (2.9 inches)	76%	high
June Weather	19°C (66°F)	64 mm (2.5 inches)	74%	very high
July Weather	19°C (67°F)	68 mm (2.7 inches)	74%	very high
August Weather	20°C (67°F)	64 mm (2.5 inches)	75%	high
September Weather	15°C (60°F)	41 mm (1.6 inches)	82%	moderate
October Weather	11°C (52°F)	54 mm (2.1 inches)	88%	moderate
November Weather	6°C (42°F)	47 mm (1.9 inches)	90%	low
December Weather	4°C (39°F)	95 mm (3.7 inches)	92%	low