October weather forecast
Walla Walla, WA

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The small city of Walla Walla in Washington
The small city of Walla Walla in Washington

Weather in October

October exudes full autumn charm as temperatures cool down and leaves turn into brilliant hues of red, orange, and yellow. Harvest season picks up, enhancing the region's agrarian charm. Rainfall levels start to rise, presenting wetter and cooler days than the previous month. As the month progresses, chilly mornings become a common feature, indicating winter's approach. October’s weather showcases milder days with a high of 59.9°F (15.5°C), a noticeable drop from September’s highs.

Temperature

The beginning of October marks a clear shift in the average high-temperature, receding from September's warm 74.3°F (23.5°C) to a mild 59.9°F (15.5°C). Throughout October nights, Walla registers an average low-temperature of 44.1°F (6.7°C).

Humidity

In October, the average relative humidity in Walla is 60%.

Rainfall

In October, the rain falls for 12 days. Throughout October, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 141.7 rainfall days, and 15.12" (384mm) of precipitation is accumulated.

Snowfall

May through August and October are months without snowfall in Walla.

Daylight

In October, the average length of the day in Walla is 10h and 54min.
On the first day of the month, sunrise is at 6:52 am and sunset at 6:32 pm. On the last day of October, sunrise is at 7:33 am and sunset at 5:40 pm PDT.

Sunshine

The average sunshine in October is 7h.

UV index

In October, the average daily maximum UV index in Walla is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In October, the maximum UV index of 3 suggests this advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Feb 14, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are October temperatures in Walla?

In Walla, in October, the average high-temperature is 59.9°F (15.5°C), and the average low-temperature is 44.1°F (6.7°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is evaluated at 84.2°F (29°C).

What is the average humidity in October in Walla?

In October, the average relative humidity in Walla, Washington, is 60%.

How many days does it rain in October in Walla?

In Walla, Washington, in October, during 12 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

When it does not snow in Walla?

In Walla, Washington, snow does not fall in May through August and October.

Does it snow in Walla in October?

In October, it doesn't snow. September is the latest month when it typically snows.

How many hours of daylight does Walla have in October?

In Walla, Washington, the average day length in October is 10h and 54min.

What time are sunrise and sunset in October in Walla?

On the first day of October, sunrise is at 6:52 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:40 pm PDT.

How many hours of sunshine does Walla have in October?

In Walla, the average sunshine duration in October is 7h.

What is the UV index reading in October in Walla?

In Walla, Washington, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Walla Walla, WA

Average temperature in October - Walla Walla, WA
  • Average high temperature in October: 59.9°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (37.4°F).

  • Average low temperature in October: 44.1°F

The month with the highest average low temperature is August (60.8°F).
The coldest month (with the lowest average low temperature) is December (27°F).

Average pressure in October
Walla Walla, WA

Average pressure in October - Walla Walla, WA
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).

Average wind speed in October
Walla Walla, WA

Average wind speed in October - Walla Walla, WA
  • Average wind speed in October: 6.2mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is September (5.9mph).

Average humidity in October
Walla Walla, WA

Average humidity in October - Walla Walla, WA
  • Average humidity in October: 60%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (39%).

Average rainfall in October
Walla Walla, WA

Average rainfall in October - Walla Walla, WA
  • Average rainfall in October: 1.18"

The wettest month (with the highest rainfall) is March (2.01").
The driest month (with the least rainfall) is July (0.35").

Average rainfall days in October
Walla Walla, WA

Average rainfall days in October - Walla Walla, WA
  • Average rainfall days in October: 12 days

The month with the highest number of rainy days is March (17.4 days).
The month with the least rainy days is July (4.9 days).

Average snowfall in October
Walla Walla, WA

Average snowfall in October - Walla Walla, WA
  • Average snowfall in October: 0"

The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August and October (0").

Average snowfall days in October
Walla Walla, WA

Average snowfall days in October - Walla Walla, WA
  • Average snowfall days in October: 0.1 days

The months with the highest number of snowfall days are February and December (6.1 days).
The months with the least snowfall days are May, June, July and August (0 days).

Average daylight in October /
Average sunshine in October
Walla Walla, WA

Average daylight in October / Average sunshine in October - Walla Walla, WA
  • Average daylight in October: 10h and 5min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in October: 7h and 0min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

Average sunshine days in October
Walla Walla, WA

Average sunshine days in October - Walla Walla, WA
  • Average sunshine days in October: 17.4 days

The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is February (10 days).

Average UV index in October
Walla Walla, WA

Average UV index in October - Walla Walla, WA
  • Average UV index in October: 3

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in October
Walla Walla, WA

Average cloud cover in October - Walla Walla, WA
  • Average cloud cover in October: 28

The months with the most cloud cover are January, February and December (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 10).

Average visibility in October
Walla Walla, WA

Average visibility in October - Walla Walla, WA
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Walla Walla, Washington, USA

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