October weather forecast
North Cascades National Park, WA

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The lovely Picture Lake reflecting the trees on the shores and the distant Mount Shuksan in the North Cascades National Park, Washington, USA
The lovely Picture Lake reflecting the trees on the shores and the distant Mount Shuksan in the North Cascades National Park, Washington, USA

Weather in October

October brings with it a tangible shift in weather at North Cascades National Park. The park begins to prepare for winter with a rapid decrease in temperature. Days gradually grow shorter, and less sunshine is experienced throughout the month. Despite these changes, the brilliant autumn colors of the park provide an exquisite visual treat, making it a favorite month for photographers. October also brings more rainfall days than September with the weather becoming increasingly unpredictable.

Temperature

North Cascades National Park's progression into October includes a drop in the average high-temperature, from a comfortable 60.8°F in September to a cool 51.8°F. In October, the recorded average low-temperature in North Cascades National Park, Washington, is an icy 32°F.

Rainfall

In North Cascades National Park, during October, the rain falls for 13 days and regularly aggregates up to 4.41" of precipitation. In North Cascades National Park, during the entire year, the rain falls for 157 days and collects up to 51.02" of precipitation.

Daylight

In North Cascades National Park, the average length of the day in October is 10h and 47min.
On the first day of the month, sunrise is at 7:04 am and sunset at 6:44 pm. On the last day of October, sunrise is at 7:50 am and sunset at 5:47 pm PDT.

Sunshine

The average sunshine in October in North Cascades National Park is 5h.

UV index

The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In October, the maximum UV index of 3 suggests this advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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FAQ

What is the average October temperature in North Cascades National Park?

In October, in North Cascades National Park, the average high-temperature is 51.8°F, and the average low-temperature is 32°F.

How much does it rain in North Cascades National Park in October?

In North Cascades National Park, Washington, during October, the rain falls for 13 days and regularly aggregates up to 4.41" of precipitation.

What is the average length of the day in October in North Cascades National Park?

In North Cascades National Park, the average day length in October is 10h and 47min.

When is the sunrise / sunset in October in North Cascades National Park?

On the first day of October, sunrise is at 7:04 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:47 pm PDT.

How long on average sun shines in October in North Cascades National Park?

In North Cascades National Park, Washington, the average sunshine duration in October is 5h.

What is the UV index intensity in October in North Cascades National Park?

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in October
North Cascades National Park, WA

Average temperature in October - North Cascades National Park, WA
  • Average high temperature in October: 52°F

The warmest months (with the highest average high temperature) are July and August (70°F).
The months with the lowest average high temperature are January and December (30°F).

  • Average low temperature in October: 32°F

The months with the highest average low temperature are July and August (45°F).
The coldest months (with the lowest average low temperature) are January and December (18°F).

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Average rainfall in October
North Cascades National Park, WA

Average rainfall in October - North Cascades National Park, WA
  • Average rainfall in October: 4.4"

The wettest month (with the highest rainfall) is December (7.8").
The driest months (with the least rainfall) are July and August (1.7").

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Average rainfall days in October
North Cascades National Park, WA

Average rainfall days in October - North Cascades National Park, WA
  • Average rainfall days in October: 13 days

The month with the highest number of rainy days is December (18 days).
The month with the least rainy days is July (8 days).

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Average daylight in October /
Average sunshine in October
North Cascades National Park, WA

Average daylight in October / Average sunshine in October - North Cascades National Park, WA
  • Average daylight in October: 10h and 5min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in October: 5h

The month with the most sunshine is July (Average sunshine: 9h).
The months with the least sunshine are January, November and December (Average sunshine: 2h).

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Average UV index in October
North Cascades National Park, WA

Average UV index in October - North Cascades National Park, WA
  • Average UV index in October: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 1).

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North Cascades National Park, Washington, USA

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