January Weather in Ostermundigen, Switzerland

Last updated: August 27, 2025

In Ostermundigen, Switzerland, the average temperature in January hovers around 1°C (34°F). However, temperatures can range from a chilly -14°C (6°F) to a comfortable 17°C (63°F). Expect 91 mm (3.6 inches) of precipitation over approximately 12 days, accompanied by a high average humidity of 91%. Prepare for a moist and brisk atmosphere during your visit!

January Temperature in Ostermundigen

In January in Ostermundigen, the average temperature is 1°C (34°F), with maximums reaching 17°C (63°F) and minimums dropping as low as -14°C (6°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to enjoy their visit.

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

The chart illustrates January temperature patterns in Ostermundigen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ostermundigen, January typically has an average temperature of 1°C (34°F), with highs reaching up to 17°C (63°F) and lows dropping to around -14°C (6°F).

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

January Precipitation in Ostermundigen

In Ostermundigen in January, the precipitation amount is 91 mm (3.6 in) over a period of 12 days.

January Precipitation Trends in Ostermundigen

The chart displays monthly precipitation patterns in Ostermundigen, 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 Ostermundigen, January typically receives around 91 mm (3.6 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 Ostermundigen

In Ostermundigen in January, humidity is 91%. With an average temperature of 1°C (34°F), this humidity feels like an icy embrace, making traveling quite challenging as the air feels heavy and damp, leaving everything damp and cold, and requiring extra layers for comfort.

January Average Humidity in Ostermundigen

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

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

Maximum UV Index Levels in Ostermundigen for January

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

Data source: Ostermundigen 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 Ostermundigen Compares to Other Months

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

This table compares monthly weather conditions in Ostermundigen, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	91 mm (3.6 inches)	91%	low
February Weather	4°C (39°F)	74 mm (2.9 inches)	89%	moderate
March Weather	6°C (43°F)	91 mm (3.6 inches)	87%	moderate
April Weather	10°C (50°F)	61 mm (2.4 inches)	84%	high
May Weather	13°C (56°F)	126 mm (5.0 inches)	80%	very high
June Weather	18°C (65°F)	93 mm (3.7 inches)	82%	very high
July Weather	20°C (68°F)	104 mm (4.1 inches)	82%	very high
August Weather	19°C (67°F)	98 mm (3.8 inches)	77%	very high
September Weather	15°C (60°F)	61 mm (2.4 inches)	81%	high
October Weather	11°C (51°F)	95 mm (3.7 inches)	89%	moderate
November Weather	5°C (41°F)	72 mm (2.8 inches)	89%	low
December Weather	2°C (37°F)	125 mm (4.9 inches)	91%	low