October weather forecast
Graham, WA

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Weather in October

October, like September, is a moderate autumn month in Graham, Washington, with an average temperature fluctuating between 58.5°F (14.7°C) and 42.6°F (5.9°C).

Temperature

As September transitions into October, Graham sees a drop in the average high-temperature, transitioning from a pleasant 69.8°F (21°C) to a refreshing 58.5°F (14.7°C). The low-temperature in Graham averages to a wintry 42.6°F (5.9°C) during the nights of October.

Humidity

In October, the average relative humidity is 81%.

Rainfall

In Graham, during October, the rain falls for 15.8 days and regularly aggregates up to 3.74" (95mm) of precipitation. Throughout the year, in Graham, there are 172.9 rainfall days, and 32.28" (820mm) of precipitation is accumulated.

Snowfall

In Graham, Washington, snow does not fall in May through October.

Daylight

The average length of the day in October is 10h and 52min.
On the first day of October in Graham, sunrise is at 7:09 am and sunset at 6:47 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:53 pm PDT.

Sunshine

The average sunshine in October is 5.4h.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A typical high UV index of 2 in October suggests the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Feb 14, 2024 | Published by: Weather U.S. | About Us

Frequently asked questions

What is the usual temperature for Graham in October?

During October, Graham experiences an average high-temperature of 58.5°F (14.7°C) and a low-temperature of 42.6°F (5.9°C).

What is the average humidity in October in Graham?

In Graham, the average relative humidity in October is 81%.

How much does it rain in Graham in October?

In Graham, in October, during 15.8 rainfall days, 3.74" (95mm) of precipitation is typically accumulated.

When it does not snow in Graham?

In Graham, Washington, snow does not fall in May through October.

Does it snow in Graham in October?

In Graham, in October, it doesn't snow. In November, it regularly snows.

How many hours of daylight does Graham have in October?

The average day length in October in Graham is 10h and 52min.

When is the sunrise / sunset in October in Graham?

On the first day of October, sunrise is at 7:09 am and sunset at 6:47 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:53 pm PDT.

How many hours of sunshine does Graham have in October?

The average sunshine duration in October in Graham is 5.4h.

When is the lowest UV index in Graham?

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Graham, Washington.

What is the UV index intensity in October in Graham?

The average daily maximum UV index in October in Graham, Washington, is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Graham, WA

Average temperature in October - Graham, WA
  • Average high temperature in October: 58.5°F

The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (42.8°F).

  • Average low temperature in October: 42.6°F

The month with the highest average low temperature is August (51.3°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).

Average pressure in October
Graham, WA

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

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).

Average wind speed in October
Graham, WA

Average wind speed in October - Graham, WA
  • Average wind speed in October: 4.3mph

The windiest months (with the highest average wind speed) are January and March (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in October
Graham, WA

Average humidity in October - Graham, WA
  • Average humidity in October: 81%

The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is July (70%).

Average rainfall in October
Graham, WA

Average rainfall in October - Graham, WA
  • Average rainfall in October: 3.74"

The wettest month (with the highest rainfall) is December (4.92").
The driest month (with the least rainfall) is July (0.43").

Average rainfall days in October
Graham, WA

Average rainfall days in October - Graham, WA
  • Average rainfall days in October: 15.8 days

The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (4.8 days).

Average snowfall in October
Graham, WA

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

The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in October
Graham, WA

Average snowfall days in October - Graham, WA
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in October: 5h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).

Average sunshine days in October
Graham, WA

Average sunshine days in October - Graham, WA
  • Average sunshine days in October: 13.7 days

The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is November (9.3 days).

Average UV index in October
Graham, WA

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

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in October
Graham, WA

Average cloud cover in October - Graham, WA
  • Average cloud cover in October: 46

The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in October
Graham, WA

Average visibility in October - Graham, WA
  • Average visibility in October: 5mi

The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January and February (4mi).

Graham, Washington, USA

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