January Weather in Richland, United States

Last updated: June 24, 2025

In Richland, United States during January, the weather tends to be quite chilly, with an average temperature of -3°C (26°F). Temperatures can plunge to a frosty -23°C (-10°F) at their lowest, while they may rise to a mild 15°C (59°F) at their highest. Expect some wet days, with precipitation totaling 72 mm (2.8 in) over 12 days. Additionally, the average humidity hovers around a brisk 87%, keeping the air feeling crisp and cool.

January Temperature in Richland

In January, in Richland, the average temperature is -3°C (26°F), with maximums reaching up to 15°C (59°F) and minimums plummeting to as low as -23°C (-10°F). Be prepared for a wide range of temperatures and pack accordingly when traveling to Richland during this time.

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

The chart illustrates January temperature patterns in Richland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Richland, January typically has an average temperature of -3°C (26°F), with highs reaching up to 15°C (59°F) and lows dropping to around -23°C (-10°F).

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

January Precipitation in Richland

In Richland in January, the total precipitation amount is 72 mm (2.8 in) over the course of 12 days.

January Precipitation Trends in Richland

The chart displays monthly precipitation patterns in Richland, 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 Richland, January typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 12 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 Richland

In Richland in January, humidity is 87%. With an average temperature of -3°C (26°F), this humidity feels like walking through a thick fog, making travels uncomfortable and adding a chill that seeps into your bones.

January Average Humidity in Richland

This chart illustrates the average monthly humidity levels in Richland, 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 Richland 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 Richland

In Richland 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 Richland, you can check the information here.

Maximum UV Index Levels in Richland for January

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

Data source: Richland 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 Richland Compares to Other Months

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

This table compares monthly weather conditions in Richland, 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 (26°F)	72 mm (2.8 inches)	87%	moderate
February Weather	-3°C (27°F)	75 mm (3.0 inches)	87%	moderate
March Weather	3°C (37°F)	76 mm (3.0 inches)	86%	high
April Weather	8°C (47°F)	90 mm (3.6 inches)	87%	very high
May Weather	15°C (60°F)	152 mm (6.0 inches)	82%	very high
June Weather	21°C (70°F)	118 mm (4.6 inches)	81%	very high
July Weather	24°C (75°F)	96 mm (3.8 inches)	78%	very high
August Weather	22°C (72°F)	78 mm (3.1 inches)	79%	very high
September Weather	19°C (66°F)	103 mm (4.1 inches)	79%	high
October Weather	12°C (53°F)	136 mm (5.4 inches)	82%	moderate
November Weather	4°C (39°F)	68 mm (2.7 inches)	87%	moderate
December Weather	0°C (33°F)	67 mm (2.6 inches)	86%	low