January Weather in Kelso, United States

Last updated: June 24, 2025

In January, the average temperature in Kelso, United States hovers around 2°C (37°F). Expect a range that swings from a chilly -17°C (1°F) at its lowest to a pleasant 21°C (70°F) at its peak. Prepare for some wet days, as the region receives an average precipitation of 107 mm (4.2 in) over 8 days. With an average humidity of 86%, be ready for a brisk but invigorating atmosphere!

January Temperature in Kelso

In January in Kelso, the average temperature is 2°C (37°F), with maximums reaching 21°C (70°F) and minimums dropping as low as -17°C (1°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack layers for both warm and cold conditions.

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

The chart illustrates January temperature patterns in Kelso, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kelso, January typically has an average temperature of 2°C (37°F), with highs reaching up to 21°C (70°F) and lows dropping to around -17°C (1°F).

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

January Precipitation in Kelso

In Kelso in January, the total precipitation amount is 107 mm (4.2 in), occurring over a span of 8 days.

January Precipitation Trends in Kelso

The chart displays monthly precipitation patterns in Kelso, 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 Kelso, January typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 8 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 Kelso

In Kelso in January, humidity is 86%. With an average temperature of 2°C (37°F), this humidity feels like a chilly dampness that clings to your clothes and makes outdoor activities quite uncomfortable for traveling.

January Average Humidity in Kelso

This chart illustrates the average monthly humidity levels in Kelso, 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 Kelso is approximately 86%, 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 Kelso

In Kelso 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 Kelso, you can check the information here.

Maximum UV Index Levels in Kelso for January

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

Data source: Kelso 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 Kelso Compares to Other Months

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

This table compares monthly weather conditions in Kelso, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (37°F)	107 mm (4.2 inches)	86%	moderate
February Weather	4°C (40°F)	127 mm (5.0 inches)	84%	high
March Weather	10°C (50°F)	164 mm (6.5 inches)	84%	high
April Weather	14°C (57°F)	135 mm (5.3 inches)	80%	very high
May Weather	20°C (69°F)	158 mm (6.2 inches)	82%	extreme
June Weather	25°C (77°F)	102 mm (4.0 inches)	83%	extreme
July Weather	27°C (81°F)	96 mm (3.8 inches)	79%	very high
August Weather	25°C (78°F)	93 mm (3.6 inches)	76%	very high
September Weather	23°C (74°F)	72 mm (2.9 inches)	75%	very high
October Weather	16°C (61°F)	129 mm (5.1 inches)	74%	high
November Weather	8°C (46°F)	95 mm (3.7 inches)	85%	moderate
December Weather	6°C (42°F)	91 mm (3.6 inches)	88%	moderate