January Weather in Clarkson, United States

Last updated: June 24, 2025

In Clarkson, United States during January, the average temperature hovers around 3°C (37°F). Be prepared for a temperature range that can dip to a brisk -18°C (0°F) or soar to a pleasant 20°C (69°F). Expect about 100 mm (3.9 in) of precipitation over 10 days, with an average humidity level of 87%, making it a relatively damp period.

January Temperature in Clarkson

In January in Clarkson, the average temperature is 3°C (37°F), with maximums reaching up to 20°C (69°F) and minimums dropping as low as -18°C (0°F). Be prepared for a wide range of temperatures, so pack layers for your trip!

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

The chart illustrates January temperature patterns in Clarkson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clarkson, January typically has an average temperature of 3°C (37°F), with highs reaching up to 20°C (69°F) and lows dropping to around -18°C (0°F).

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

January Precipitation in Clarkson

In Clarkson in January, the precipitation amount is 100 mm (3.9 in) over a span of 10 days.

January Precipitation Trends in Clarkson

The chart displays monthly precipitation patterns in Clarkson, 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 Clarkson, January typically receives around 100 mm (3.9 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 Clarkson

In Clarkson in January, humidity is 87%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating proper layers to stay warm while navigating the wet conditions.

January Average Humidity in Clarkson

This chart illustrates the average monthly humidity levels in Clarkson, 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 Clarkson is approximately 87%, 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 Clarkson

In Clarkson 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 Clarkson, you can check the information here.

Maximum UV Index Levels in Clarkson for January

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

Data source: Clarkson 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 Clarkson Compares to Other Months

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

This table compares monthly weather conditions in Clarkson, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (37°F)	100 mm (3.9 inches)	87%	moderate
February Weather	5°C (42°F)	161 mm (6.4 inches)	86%	high
March Weather	10°C (50°F)	139 mm (5.5 inches)	86%	high
April Weather	14°C (57°F)	146 mm (5.8 inches)	82%	very high
May Weather	20°C (69°F)	130 mm (5.1 inches)	82%	very high
June Weather	24°C (76°F)	133 mm (5.2 inches)	83%	extreme
July Weather	26°C (80°F)	121 mm (4.7 inches)	80%	very high
August Weather	25°C (77°F)	111 mm (4.4 inches)	74%	very high
September Weather	22°C (72°F)	124 mm (4.9 inches)	71%	very high
October Weather	16°C (61°F)	114 mm (4.5 inches)	78%	high
November Weather	8°C (46°F)	94 mm (3.7 inches)	88%	moderate
December Weather	6°C (42°F)	117 mm (4.6 inches)	88%	moderate