January Weather in Jachenau, Germany

Last updated: August 23, 2025

In January, the average temperature in Jachenau, Germany hovers around -4°C (26°F), with minimums plunging to -30°C (-21°F) and maximums reaching up to 9°C (49°F). Expect approximately 114 mm (4.5 in) of precipitation spread over 12 days, contributing to a notably high average humidity of 93%. Stay prepared for chilly, damp conditions!

January Temperature in Jachenau

In January in Jachenau, the average temperature is -4°C (26°F), with maximums potentially reaching 9°C (49°F) and minimums plummeting to as low as -30°C (-21°F). Travelers should prepare for a wide range of temperatures and dress warmly to enjoy the winter activities that Jachenau has to offer.

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

The chart illustrates January temperature patterns in Jachenau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jachenau, January typically has an average temperature of -4°C (26°F), with highs reaching up to 9°C (49°F) and lows dropping to around -30°C (-21°F).

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

January Precipitation in Jachenau

In Jachenau in January, the precipitation amount is 114 mm (4.5 in) spread over 12 days.

January Precipitation Trends in Jachenau

The chart displays monthly precipitation patterns in Jachenau, 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 Jachenau, January typically receives around 114 mm (4.5 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 Jachenau

In Jachenau in January, humidity is 93%. With an average temperature of -4°C (26°F), this humidity feels like a heavy chill that seeps into your bones, making traveling uncomfortable and requiring extra layers to stay warm and dry.

January Average Humidity in Jachenau

This chart illustrates the average monthly humidity levels in Jachenau, 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 Jachenau is approximately 93%, 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 Jachenau

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

Maximum UV Index Levels in Jachenau for January

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

Data source: Jachenau 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 Jachenau Compares to Other Months

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

This table compares monthly weather conditions in Jachenau, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (26°F)	114 mm (4.5 inches)	93%	low
February Weather	-1°C (30°F)	95 mm (3.7 inches)	89%	moderate
March Weather	1°C (35°F)	108 mm (4.2 inches)	86%	moderate
April Weather	6°C (43°F)	102 mm (4.0 inches)	83%	high
May Weather	9°C (49°F)	224 mm (8.8 inches)	78%	very high
June Weather	15°C (59°F)	207 mm (8.1 inches)	79%	very high
July Weather	15°C (60°F)	226 mm (8.9 inches)	82%	very high
August Weather	15°C (60°F)	222 mm (8.8 inches)	80%	very high
September Weather	11°C (53°F)	165 mm (6.5 inches)	83%	high
October Weather	8°C (46°F)	133 mm (5.2 inches)	90%	moderate
November Weather	2°C (36°F)	88 mm (3.5 inches)	89%	moderate
December Weather	-2°C (29°F)	141 mm (5.5 inches)	90%	low