January Weather in Richland, United States

Last updated: June 24, 2025

In January, the average temperature in Richland, United States hovers around 1°C (34°F), with extremes reaching a chill of -19°C (-2°F) and a balmy 21°C (71°F). Expect around 79 mm (3.1 in) of precipitation spread over approximately 8 days, accompanied by a notable average humidity of 81%. Whether you're bundling up or enjoying brief warm spells, prepare for a truly varied climate!

January Temperature in Richland

In January in Richland, the average temperature is 1°C (34°F). The maximum can reach 21°C (71°F), while the minimum can drop as low as -19°C (-2°F). Be prepared for a wide range of temperatures when traveling, so pack accordingly!

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 1°C (34°F), with highs reaching up to 21°C (71°F) and lows dropping to around -19°C (-2°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 precipitation amount is 79 mm (3.1 in) during 8 days, indicating a relatively wet period for the area.

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 79 mm (3.1 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 Richland

In Richland in January humidity is 81%. With an average temperature of 1°C (34°F), this humidity feels like a damp chill wrapping around you, making traveling uncomfortable as every breath feels heavy and the cold penetration intensifies with the moisture in the air.

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 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 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	1°C (34°F)	79 mm (3.1 inches)	81%	moderate
February Weather	3°C (37°F)	80 mm (3.2 inches)	78%	high
March Weather	9°C (49°F)	130 mm (5.1 inches)	76%	high
April Weather	13°C (55°F)	148 mm (5.8 inches)	78%	very high
May Weather	19°C (66°F)	165 mm (6.5 inches)	83%	very high
June Weather	24°C (76°F)	95 mm (3.7 inches)	83%	extreme
July Weather	26°C (79°F)	98 mm (3.9 inches)	78%	extreme
August Weather	25°C (76°F)	91 mm (3.6 inches)	68%	very high
September Weather	22°C (73°F)	51 mm (2.0 inches)	64%	very high
October Weather	15°C (59°F)	134 mm (5.3 inches)	70%	high
November Weather	8°C (46°F)	64 mm (2.5 inches)	83%	moderate
December Weather	5°C (41°F)	52 mm (2.1 inches)	87%	moderate