October Weather in Walla Walla East, United States

Last updated: June 24, 2025

In Walla Walla East, United States, the average temperature in October hovers around 9°C (49°F), with a notable range between a chilly -11°C (13°F) and a warm 28°C (83°F). Expect 62 mm (2.4 in) of precipitation over about 10 days, and keep in mind that the average humidity sits at a comfortable 75%.

October Temperature in Walla Walla East

In October in Walla Walla East, the average temperature is 9°C (49°F), with maximums reaching up to 28°C (83°F) and minimums plunging as low as -11°C (13°F). Travelers should prepare for a wide range of temperatures and pack accordingly to enjoy their visit.

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

The chart illustrates October 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, October typically has an average temperature of 9°C (49°F), with highs reaching up to 28°C (83°F) and lows dropping to around -11°C (13°F).

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

October Precipitation in Walla Walla East

In Walla Walla East in October, the total precipitation amount is 62 mm (2.4 in) over a period of 10 days.

October Precipitation Trends in Walla Walla East

The chart displays monthly precipitation patterns in Walla Walla East, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Walla Walla East, October typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in Walla Walla East

In Walla Walla East in October, humidity is 75%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that wraps around you, making outdoor activities uncomfortable and causing your clothes to cling uncomfortably. It's advisable to dress in layers to stay warm, while also being prepared for the persistent moisture in the air that can leave you feeling a bit sluggish throughout your travels.

October Average Humidity in Walla Walla East

This chart illustrates the average monthly humidity levels in Walla Walla East, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Walla Walla East is approximately 75%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Walla Walla East

In Walla Walla East in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Walla Walla East.

Maximum UV Index Levels in Walla Walla East for October

The chart shows the monthly maximum UV Index (UVI) for Walla Walla East in October, 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 October, the maximum UV index in Walla Walla East typically reaches 5, which falls under the moderate exposure category.

Data source: Walla Walla East October 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 October 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 October’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 October’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