October weather forecast
Clayton, WA

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Weather in October

October, the same as September, in Clayton, Washington, is a moderate autumn month, with temperature in the range of an average high of 55.8°F (13.2°C) and an average low of 36.7°F (2.6°C).

Temperature

As October sets, the average high-temperature displays a significant decrease, moving down from an agreeable 72.7°F (22.6°C) in September to a moderate 55.8°F (13.2°C). Throughout October, an average low-temperature of 36.7°F (2.6°C) is expected.

Humidity

In Clayton, the average relative humidity in October is 70%.

Rainfall

In Clayton, in October, it is raining for 12.3 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, there are 124.9 rainfall days, and 17.44" (443mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In Clayton, in October, during 1 snowfall days, 0.16" (4mm) of snow is typically accumulated. Throughout the year, in Clayton, there are 69.2 snowfall days, and 42.99" (1092mm) of snow is accumulated.

Daylight

In October, the average length of the day is 10h and 49min.
On the first day of October, sunrise is at 6:50 am and sunset at 6:28 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:32 pm PDT.

Sunshine

The average sunshine in October is 6.2h.

UV index

In Clayton, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 2 in October translates into these instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures?

In October, the average high-temperature and low-temperature are 55.8°F (13.2°C) and 36.7°F (2.6°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is computed to be 84.2°F (29°C).

What is the average humidity in October?

The average relative humidity in October is 70%.

How much does it rain in October?

In Clayton, in October, during 12.3 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

How much does it snow in October?

In Clayton, during October, snow falls for 1 days and regularly aggregates up to 0.16" (4mm) of snow.

What is the average length of the day in October?

The average day length in October is 10h and 49min.

When is the sunrise / sunset in October?

In October, on the first day of the month, sunrise is at 6:50 am and sunset at 6:28 pm. On the last day of the month, in Clayton, sunrise is at 7:34 am and sunset at 5:32 pm PDT.

How long on average sun shines in October?

The average sunshine duration in October is 6.2h.

What is the UV index intensity in October?

In October, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
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
Clayton, WA

Average temperature in October - Clayton, WA
  • Average high temperature in October: 55.8°F

The warmest month (with the highest average high temperature) is August (84°F).
The month with the lowest average high temperature is December (31.3°F).

  • Average low temperature in October: 36.7°F

The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).

Average pressure in October
Clayton, WA

Average pressure in October - Clayton, 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).

Average wind speed in October
Clayton, WA

Average wind speed in October - Clayton, WA
  • Average wind speed in October: 4.5mph

The windiest month (with the highest average wind speed) is April (5.6mph).
The calmest month (with the lowest average wind speed) is December (4mph).

Average humidity in October
Clayton, WA

Average humidity in October - Clayton, WA
  • Average humidity in October: 70%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (43%).

Average rainfall in October
Clayton, WA

Average rainfall in October - Clayton, WA
  • Average rainfall in October: 1.65"

The wettest month (with the highest rainfall) is January (2.4").
The driest month (with the least rainfall) is August (0.31").

Average rainfall days in October
Clayton, WA

Average rainfall days in October - Clayton, WA
  • Average rainfall days in October: 12.3 days

The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is August (5.1 days).

Average snowfall in October
Clayton, WA

Average snowfall in October - Clayton, WA
  • Average snowfall in October: 0.16"

The month with the highest snowfall is January (13.23").
The months with the least snowfall are June, July and August (0").

Average snowfall days in October
Clayton, WA

Average snowfall days in October - Clayton, WA
  • Average snowfall days in October: 1 days

The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in October / Average sunshine in October - Clayton, 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 30min).

  • Average sunshine in October: 6h and 1min

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 24min).

Average sunshine days in October
Clayton, WA

Average sunshine days in October - Clayton, WA
  • Average sunshine days in October: 17.1 days

The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is March (9.7 days).

Average UV index in October
Clayton, WA

Average UV index in October - Clayton, 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 February, November and December (UV index 1).

Average cloud cover in October
Clayton, WA

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

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in October
Clayton, WA

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

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

Clayton, Washington, USA

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