January Weather in Chalais, Switzerland

Last updated: August 27, 2025

In January, the average temperature in Chalais, Switzerland hovers around -9°C (16°F), with a chilling minimum of -27°C (-17°F) and a milder maximum reaching 6°C (44°F). Expect a damp environment with 135 mm (5.3 in) of precipitation over about 10 days and a high average humidity of 91%, making this a truly brisk and wet month!

January Temperature in Chalais

In January in Chalais, the average temperature is -9°C (16°F). The maximum can reach 6°C (44°F), while the minimum can drop as low as -27°C (-17°F). Be prepared for frigid conditions and pack plenty of warm clothing if you plan to travel during this time.

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

The chart illustrates January temperature patterns in Chalais, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chalais, January typically has an average temperature of -9°C (16°F), with highs reaching up to 6°C (44°F) and lows dropping to around -27°C (-17°F).

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

January Precipitation in Chalais

In Chalais in January, the total precipitation amount is 135 mm (5.3 in) recorded over a span of 10 days.

January Precipitation Trends in Chalais

The chart displays monthly precipitation patterns in Chalais, 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 Chalais, January typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 10 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 Chalais

In Chalais in January humidity is 91%. With an average temperature of -9°C (16°F), this humidity feels like a heavy veil wrapping around you, making outdoor exploration quite challenging as you navigate through the chilly air that seems to cling to your skin.

January Average Humidity in Chalais

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

In Chalais in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Chalais, you can check the information here.

Maximum UV Index Levels in Chalais for January

The chart shows the monthly maximum UV Index (UVI) for Chalais 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 Chalais typically reaches 3, which falls under the moderate exposure category.

Data source: Chalais 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 Chalais Compares to Other Months

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

This table compares monthly weather conditions in Chalais, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (16°F)	135 mm (5.3 inches)	91%	moderate
February Weather	-5°C (23°F)	95 mm (3.8 inches)	89%	moderate
March Weather	-2°C (29°F)	122 mm (4.8 inches)	87%	high
April Weather	3°C (37°F)	81 mm (3.2 inches)	84%	very high
May Weather	6°C (43°F)	160 mm (6.3 inches)	80%	very high
June Weather	12°C (53°F)	130 mm (5.1 inches)	82%	extreme
July Weather	14°C (57°F)	121 mm (4.8 inches)	82%	very high
August Weather	13°C (56°F)	129 mm (5.1 inches)	77%	very high
September Weather	9°C (49°F)	90 mm (3.6 inches)	81%	high
October Weather	5°C (41°F)	135 mm (5.3 inches)	89%	high
November Weather	-2°C (29°F)	98 mm (3.8 inches)	89%	moderate
December Weather	-8°C (18°F)	188 mm (7.4 inches)	91%	low