January Weather in Roggwil, Switzerland

Last updated: August 27, 2025

In Roggwil, Switzerland, the weather in January can be quite chilly, with an average temperature of 1°C (34°F). Expect lows of -13°C (9°F) and highs reaching up to 17°C (62°F). This month sees a fair amount of moisture, with precipitation totaling 92 mm (3.6 in) over about 12 days. Keep in mind, the average humidity is a high 92%, ensuring a damp and cool atmosphere throughout your stay.

January Temperature in Roggwil

In January in Roggwil, the average temperature is 1°C (34°F), with maximums reaching 17°C (62°F) and minimums dropping as low as -13°C (9°F). Travelers should prepare for chilly conditions and pack layers to stay warm while exploring the sights.

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

The chart illustrates January temperature patterns in Roggwil, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roggwil, January typically has an average temperature of 1°C (34°F), with highs reaching up to 17°C (62°F) and lows dropping to around -13°C (9°F).

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

January Precipitation in Roggwil

In Roggwil in January, the precipitation amount is 92 mm (3.6 in) over the course of 12 days.

January Precipitation Trends in Roggwil

The chart displays monthly precipitation patterns in Roggwil, 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 Roggwil, January typically receives around 92 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.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Roggwil

In Roggwil in January humidity is 92%. With average temperature 1°C (34°F), this humidity feels like a cold, damp blanket enveloping you, making travel uncomfortable as the chill seeps into your bones, and the air feels heavy and suffocating, leaving little room for any warmth or comfort.

January Average Humidity in Roggwil

This chart illustrates the average monthly humidity levels in Roggwil, 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 Roggwil is approximately 92%, 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 Roggwil

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

Maximum UV Index Levels in Roggwil for January

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

Data source: Roggwil 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 Roggwil Compares to Other Months

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

This table compares monthly weather conditions in Roggwil, 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)	92 mm (3.6 inches)	92%	low
February Weather	3°C (38°F)	77 mm (3.0 inches)	89%	moderate
March Weather	6°C (43°F)	94 mm (3.7 inches)	87%	moderate
April Weather	10°C (50°F)	66 mm (2.6 inches)	84%	high
May Weather	13°C (56°F)	142 mm (5.6 inches)	80%	very high
June Weather	18°C (65°F)	128 mm (5.1 inches)	82%	very high
July Weather	19°C (67°F)	145 mm (5.7 inches)	83%	very high
August Weather	19°C (67°F)	144 mm (5.7 inches)	80%	very high
September Weather	15°C (59°F)	79 mm (3.1 inches)	83%	high
October Weather	10°C (51°F)	99 mm (3.9 inches)	90%	moderate
November Weather	5°C (40°F)	73 mm (2.9 inches)	88%	low
December Weather	2°C (37°F)	125 mm (4.9 inches)	90%	low