January Weather in Thomson, United States

Last updated: June 24, 2025

In Thomson, United States, the average temperature in January hovers around -5°C (23°F), with extremes ranging from a brisk -32°C (-25°F) to a mild 12°C (53°F). This month sees an average precipitation of 58 mm (2.3 in) spread over 8 days, contributing to a notable humidity level of 81%.

January Temperature in Thomson

In January in Thomson, the average temperature is -5°C (23°F), with maximums reaching 12°C (53°F) and minimums dropping as low as -32°C (-25°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack both warm clothing for the coldest days and lighter layers for the milder afternoons.

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

The chart illustrates January temperature patterns in Thomson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thomson, January typically has an average temperature of -5°C (23°F), with highs reaching up to 12°C (53°F) and lows dropping to around -32°C (-25°F).

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

January Precipitation in Thomson

In Thomson in January, the precipitation amount is 58 mm (2.3 in) over a span of 8 days.

January Precipitation Trends in Thomson

The chart displays monthly precipitation patterns in Thomson, 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 Thomson, January typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 8 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 Thomson

In Thomson in January, humidity is 81%. With an average temperature of -5°C (23°F), this humidity feels like a biting chill that penetrates deep into your bones, making outdoor activities uncomfortable and travel a challenge.

January Average Humidity in Thomson

This chart illustrates the average monthly humidity levels in Thomson, 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 Thomson is approximately 81%, 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 Thomson

In Thomson 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 Thomson, you can check the information here.

Maximum UV Index Levels in Thomson for January

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

Data source: Thomson 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 Thomson Compares to Other Months

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

This table compares monthly weather conditions in Thomson, 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)	58 mm (2.3 inches)	81%	moderate
February Weather	-4°C (25°F)	59 mm (2.3 inches)	81%	moderate
March Weather	4°C (39°F)	81 mm (3.2 inches)	81%	high
April Weather	9°C (48°F)	103 mm (4.0 inches)	82%	very high
May Weather	16°C (61°F)	145 mm (5.7 inches)	78%	very high
June Weather	22°C (72°F)	136 mm (5.3 inches)	81%	very high
July Weather	24°C (76°F)	90 mm (3.6 inches)	79%	very high
August Weather	22°C (73°F)	89 mm (3.5 inches)	77%	very high
September Weather	20°C (67°F)	116 mm (4.6 inches)	78%	very high
October Weather	12°C (53°F)	113 mm (4.5 inches)	78%	high
November Weather	3°C (38°F)	49 mm (1.9 inches)	87%	moderate
December Weather	0°C (31°F)	50 mm (2.0 inches)	84%	low