January Weather in Walla Walla East, United States

Last updated: June 24, 2025

In January, the average temperature in Walla Walla East, United States hovers around 1°C (34°F). Expect winter chills, with the minimum dropping to a brisk -19°C (-1°F) and a maximum reaching a mild 12°C (54°F). Rain or snow may grace your visit with an average precipitation amount of 77 mm (3.0 in) spread over 13 days. Don't forget to bundle up, as the average humidity stands at a cool 86%!

January Temperature in Walla Walla East

In January in Walla Walla East, the average temperature is 1°C (34°F). The maximum can reach 12°C (54°F) and the minimum can be as low as -19°C (-1°F). Be sure to pack warm clothing to stay comfortable during your travels in this chilly location.

January Weather in Walla Walla East: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Walla Walla East, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Walla Walla East, January typically has an average temperature of 1°C (34°F), with highs reaching up to 12°C (54°F) and lows dropping to around -19°C (-1°F).

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

January Precipitation in Walla Walla East

In Walla Walla East in January, the precipitation amount is 77 mm (3.0 in) spread over a total of 13 days.

January Precipitation Trends in Walla Walla East

The chart displays monthly precipitation patterns in Walla Walla East, 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 Walla Walla East, January typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 13 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 Walla Walla East

In Walla Walla East in January, humidity is 86%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making outdoor adventures brisk and invigorating but challenging for travel.

January Average Humidity in Walla Walla East

This chart illustrates the average monthly humidity levels in Walla Walla East, 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 Walla Walla East 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 Walla Walla East

In Walla Walla East in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Walla Walla East, you can visit Hourly UV Index in Walla Walla East.

Maximum UV Index Levels in Walla Walla East for January

The chart shows the monthly maximum UV Index (UVI) for Walla Walla East 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 Walla Walla East typically reaches 2, which falls under the low exposure category.

Data source: Walla Walla East 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 Walla Walla East Compares to Other Months

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

This table compares monthly weather conditions in Walla Walla East, 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)	77 mm (3.0 inches)	86%	low
February Weather	1°C (34°F)	125 mm (4.9 inches)	86%	moderate
March Weather	5°C (41°F)	75 mm (3.0 inches)	85%	high
April Weather	9°C (48°F)	62 mm (2.4 inches)	83%	high
May Weather	14°C (57°F)	48 mm (1.9 inches)	77%	very high
June Weather	18°C (65°F)	27 mm (1.1 inches)	81%	very high
July Weather	23°C (74°F)	2 mm (0.1 inches)	76%	very high
August Weather	22°C (72°F)	8 mm (0.3 inches)	60%	very high
September Weather	17°C (62°F)	25 mm (1.0 inches)	58%	high
October Weather	9°C (49°F)	62 mm (2.4 inches)	75%	moderate
November Weather	5°C (41°F)	84 mm (3.3 inches)	85%	moderate
December Weather	1°C (34°F)	93 mm (3.7 inches)	87%	low