October weather forecast and climate
North Cascades National Park, WA

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, like September, in North Cascades National Park, Washington, is a cool autumn month, with average temperature fluctuating between 51.8°F (11°C) and 32°F (0°C).

Temperature

In North Cascades National Park, the average high-temperature decreases, from an enjoyable 60.8°F (16°C) in September, to a fresh 51.8°F (11°C). The average low-temperature, in North Cascades National Park, is 32°F (0°C).

Rainfall

In North Cascades National Park, Washington, during October, the rain falls for 13 days and regularly aggregates up to 4.41" (112mm) of precipitation. Throughout the year, there are 157 rainfall days, and 51.02" (1296mm) of precipitation is accumulated.

Daylight

The average length of the day is 10.8h.

Sunshine

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

UV index

In October, the average daily maximum UV index in North Cascades National Park is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 3 in October interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

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

In October, the average high-temperature is 51.8°F (11°C), and the average low-temperature is 32°F (0°C).

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

In October, in North Cascades National Park, the rain falls for 13 days. Throughout October, 4.41" (112mm) of precipitation is accumulated.

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

The average length of the day in October is 10.8h.

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

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

How high is the UV index in October in North Cascades National Park?

In October, the average daily maximum UV index in North Cascades National Park, Washington, is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.

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).
Months with the lowest average high temperature are January and December (30°F).

  • Average low temperature in October: 32°F

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: 10.8h

The month with the longest days is June (Average daylight: 16.1h).
The month with the shortest days is December (Average daylight: 8.4h).

  • Average sunshine in October: 5h

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

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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

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

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