October weather forecast
Valley, WA

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Weather in October

October, the same as September, is another fresh autumn month in Valley, Washington, with an average temperature varying between 35.2°F (1.8°C) and 54.1°F (12.3°C).

Temperature

As Valley transitions into October, a noticeable drop in the average high-temperature is observed, falling from an agreeable 71.6°F (22°C) in September to a fresh 54.1°F (12.3°C). In October, Valley reports a consistent average low-temperature of 35.2°F (1.8°C) during the nights.

Humidity

The average relative humidity in October is 72%.

Rainfall

In Valley, in October, it is raining for 12.6 days, with typically 1.54" (39mm) of accumulated precipitation. In Valley, during the entire year, the rain falls for 141.6 days and collects up to 17.56" (446mm) of precipitation.

Snowfall

January through April, September through December are months with snowfall. In October, in Valley, it is snowing for 0.5 days. Throughout October, 0.08" (2mm) of snow is accumulated. Throughout the year, there are 57.8 snowfall days, and 34.09" (866mm) of snow is accumulated.

Daylight

In October, the average length of the day in Valley is 10h and 49min.
On the first day of October in Valley, sunrise is at 6:51 am and sunset at 6:29 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:32 pm PDT.

Sunshine

The average sunshine in October is 6.3h.

UV index

In October, the average daily maximum UV index in Valley is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 2 in October interprets into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What is the temperature in October in Valley?

The average high-temperature and low-temperature in Valley during October are 54.1°F (12.3°C) and 35.2°F (1.8°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 84.2°F (29°C).

What is the average humidity in October in Valley?

The average relative humidity in October in Valley is 72%.

How much does it rain in Valley in October?

In October, in Valley, the rain falls for 12.6 days. Throughout October, 1.54" (39mm) of precipitation is accumulated.

How many days does it snow in October in Valley?

In Valley, Washington, in October, during 0.5 snowfall days, 0.08" (2mm) of snow is typically accumulated.

What is the average length of the day in October in Valley?

In October, the average day length in Valley, Washington, is 10h and 49min.

When is the sunrise / sunset in October in Valley?

On the first day of October in Valley, sunrise is at 6:51 am and sunset at 6:29 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:32 pm PDT.

How many hours of sunshine does Valley have in October?

In October, the average sunshine duration in Valley, Washington, is 6.3h.

What is the UV index intensity in October in Valley?

In October, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from 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
Valley, WA

Average temperature in October - Valley, WA
  • Average high temperature in October: 54.1°F

The warmest month (with the highest average high temperature) is August (83.1°F).
The month with the lowest average high temperature is December (29.8°F).

  • Average low temperature in October: 35.2°F

The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).

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Average pressure in October
Valley, WA

Average pressure in October - Valley, WA
  • Average pressure in October: 30.05"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

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Average wind speed in October
Valley, WA

Average wind speed in October - Valley, WA
  • Average wind speed in October: 3.9mph

The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest months (with the lowest average wind speed) are January and December (3.5mph).

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Average humidity in October
Valley, WA

Average humidity in October - Valley, WA
  • Average humidity in October: 72%

The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (47%).

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Average rainfall in October
Valley, WA

Average rainfall in October - Valley, WA
  • Average rainfall in October: 1.54"

The wettest month (with the highest rainfall) is January (2.2").
The driest month (with the least rainfall) is August (0.35").

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Average rainfall days in October
Valley, WA

Average rainfall days in October - Valley, WA
  • Average rainfall days in October: 12.6 days

The month with the highest number of rainy days is March (17.1 days).
The month with the least rainy days is August (5.6 days).

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Average snowfall in October
Valley, WA

Average snowfall in October - Valley, WA
  • Average snowfall in October: 0.08"

The month with the highest snowfall is January (10.47").
The months with the least snowfall are May, June, July and August (0").

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Average snowfall days in October
Valley, WA

Average snowfall days in October - Valley, WA
  • Average snowfall days in October: 0.5 days

The month with the highest number of snowfall days is December (15.4 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in October: 6h and 2min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in October
Valley, WA

Average sunshine days in October - Valley, WA
  • Average sunshine days in October: 16.6 days

The month with the most sunshine days is August (22.9 days).
The month with the least sunshine days is March (9.3 days).

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Average UV index in October
Valley, WA

Average UV index in October - Valley, WA
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in October
Valley, WA

Average cloud cover in October - Valley, WA
  • Average cloud cover in October: 38

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in October
Valley, WA

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

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).

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Valley, Washington, USA

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