January Weather in Walthill, United States

Last updated: June 24, 2025

In Walthill, United States, the average temperature for January hovers around -5°C (23°F), with extremes ranging from a chilly -29°C (-20°F) to a milder 13°C (55°F). Expect about 29 mm (1.1 in) of precipitation over 3 days, and keep in mind the average humidity sits at a brisk 80%.

January Temperature in Walthill

In January in Walthill, the average temperature is -5°C (23°F). Maximum temperatures can reach 13°C (55°F), while the minimum can drop as low as -29°C (-20°F). Be prepared for a range of temperatures if you're planning to travel there during this month.

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

The chart illustrates January temperature patterns in Walthill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Walthill, January typically has an average temperature of -5°C (23°F), with highs reaching up to 13°C (55°F) and lows dropping to around -29°C (-20°F).

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

January Precipitation in Walthill

In Walthill in January, the precipitation amount is 29 mm (1.1 in) over the course of 3 days.

January Precipitation Trends in Walthill

The chart displays monthly precipitation patterns in Walthill, 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 Walthill, January typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 3 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 Walthill

In Walthill in January humidity is 80%. With an average temperature of -5°C (23°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and requiring extra layers to stay warm while navigating the frosty air.

January Average Humidity in Walthill

This chart illustrates the average monthly humidity levels in Walthill, 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 Walthill is approximately 80%, 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 Walthill

In Walthill 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 Walthill, you can check the information here.

Maximum UV Index Levels in Walthill for January

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

Data source: Walthill 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 Walthill Compares to Other Months

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

This table compares monthly weather conditions in Walthill, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	29 mm (1.1 inches)	80%	moderate
February Weather	-5°C (23°F)	30 mm (1.2 inches)	84%	moderate
March Weather	4°C (39°F)	84 mm (3.3 inches)	75%	moderate
April Weather	9°C (48°F)	74 mm (2.9 inches)	79%	very high
May Weather	16°C (61°F)	143 mm (5.6 inches)	74%	very high
June Weather	24°C (75°F)	111 mm (4.4 inches)	81%	extreme
July Weather	25°C (77°F)	64 mm (2.5 inches)	82%	very high
August Weather	23°C (73°F)	113 mm (4.5 inches)	80%	very high
September Weather	20°C (68°F)	91 mm (3.6 inches)	75%	very high
October Weather	10°C (51°F)	78 mm (3.1 inches)	77%	moderate
November Weather	3°C (38°F)	27 mm (1.0 inches)	85%	moderate
December Weather	-2°C (29°F)	43 mm (1.7 inches)	83%	low