January Weather in Sulm, Germany

Last updated: August 23, 2025

In January, the average temperature in Sulm, Germany is a brisk 2°C (35°F). Expect chilly days, with temperatures dipping as low as -13°C (8°F) and rising to a comfortable 11°C (52°F). This month, 67 mm (2.7 in) of precipitation is expected over 12 days, contributing to an average humidity of 91%. Bundle up and enjoy the crisp air!

January Temperature in Sulm

In January in Sulm, the average temperature is 2°C (35°F). The maximum can reach 11°C (52°F), and the minimum can be as low as -13°C (8°F). Be prepared for chilly weather and dress in layers to stay comfortable during your travels.

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

The chart illustrates January temperature patterns in Sulm, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sulm, January typically has an average temperature of 2°C (35°F), with highs reaching up to 11°C (52°F) and lows dropping to around -13°C (8°F).

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

January Precipitation in Sulm

In Sulm in January, the precipitation amount is 67 mm (2.7 in) over the course of 12 days.

January Precipitation Trends in Sulm

The chart displays monthly precipitation patterns in Sulm, 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 Sulm, January typically receives around 67 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.

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Millimeters (mm) Inches (in)

January Humidity in Sulm

In Sulm in January, humidity is 91%. With an average temperature of 2°C (35°F), this humidity feels like a heavy blanket enveloping you, making travel rather uncomfortable and potentially discouraging for outdoor activities.

January Average Humidity in Sulm

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

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

Maximum UV Index Levels in Sulm for January

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

Data source: Sulm 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 Sulm Compares to Other Months

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

This table compares monthly weather conditions in Sulm, 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)	67 mm (2.7 inches)	91%	low
February Weather	3°C (38°F)	67 mm (2.6 inches)	90%	moderate
March Weather	5°C (42°F)	77 mm (3.0 inches)	88%	moderate
April Weather	9°C (48°F)	38 mm (1.5 inches)	84%	high
May Weather	12°C (55°F)	69 mm (2.7 inches)	81%	very high
June Weather	17°C (64°F)	69 mm (2.7 inches)	82%	very high
July Weather	18°C (65°F)	71 mm (2.8 inches)	82%	very high
August Weather	18°C (65°F)	62 mm (2.4 inches)	80%	high
September Weather	14°C (58°F)	56 mm (2.2 inches)	83%	high
October Weather	10°C (51°F)	67 mm (2.7 inches)	89%	moderate
November Weather	5°C (41°F)	59 mm (2.3 inches)	91%	low
December Weather	3°C (38°F)	107 mm (4.2 inches)	93%	low