January Weather in Riddes, Switzerland

Last updated: August 27, 2025

In Riddes, Switzerland, the average temperature in January hovers around -8°C (18°F), with temperatures dipping as low as -26°C (-15°F) and reaching a maximum of 8°C (46°F). Expect 140 mm (5.5 in) of precipitation spread over 10 days during this time, contributing to a high average humidity of 91%. Prepare for a chilly and damp month!

January Temperature in Riddes

In January in Riddes, the average temperature is -8°C (18°F). Maximum temperatures can reach 8°C (46°F), while the minimum can drop as low as -26°C (-15°F). Be prepared for a wide range of temperatures and pack accordingly to stay warm during your travels.

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

The chart illustrates January temperature patterns in Riddes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Riddes, January typically has an average temperature of -8°C (18°F), with highs reaching up to 8°C (46°F) and lows dropping to around -26°C (-15°F).

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

January Precipitation in Riddes

In Riddes in January, the total precipitation amount is 140 mm (5.5 in) spread over a period of 10 days.

January Precipitation Trends in Riddes

The chart displays monthly precipitation patterns in Riddes, 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 Riddes, January typically receives around 140 mm (5.5 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 Riddes

In Riddes in January humidity is 91%. With an average temperature of -8°C (18°F), this humidity feels like an icy blanket that clings to your skin, making every step feel heavier as you navigate the frigid air while wrapped in layers, leaving you longing for warmth.

January Average Humidity in Riddes

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

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

Maximum UV Index Levels in Riddes for January

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

Data source: Riddes 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 Riddes Compares to Other Months

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

This table compares monthly weather conditions in Riddes, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	140 mm (5.5 inches)	91%	low
February Weather	-4°C (26°F)	108 mm (4.3 inches)	89%	moderate
March Weather	0°C (31°F)	135 mm (5.3 inches)	87%	high
April Weather	4°C (39°F)	87 mm (3.4 inches)	84%	very high
May Weather	7°C (45°F)	191 mm (7.5 inches)	80%	very high
June Weather	13°C (55°F)	177 mm (7.0 inches)	82%	very high
July Weather	14°C (58°F)	182 mm (7.2 inches)	82%	very high
August Weather	14°C (57°F)	173 mm (6.8 inches)	77%	very high
September Weather	10°C (50°F)	113 mm (4.5 inches)	81%	high
October Weather	6°C (43°F)	131 mm (5.2 inches)	89%	moderate
November Weather	-1°C (31°F)	101 mm (4.0 inches)	89%	moderate
December Weather	-6°C (21°F)	213 mm (8.4 inches)	91%	low