North Cascades National Park
Washington, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
North Cascades National Park, WA

°Celsius°Fahrenheit
deutscheenglishespañolрусский中文

Contents

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

Weather in January

January, the same as December, in North Cascades National Park, Washington, is another subzero cold winter month, with average temperature ranging between max 30.2°F (-1°C) and min 17.6°F (-8°C). The coldest months are January and December, with an average high-temperature of 30.2°F (-1°C). Weather in January »

Weather in February

February, the last month of the winter, in North Cascades National Park, is a wintry month, with temperature in the range of an average low of 21.2°F (-6°C) and an average high of 35.6°F (2°C). In North Cascades National Park, Washington, the average high-temperature in February marginally rises, from a subzero cold 30.2°F (-1°C) in January, to a wintry 35.6°F (2°C). Weather in February »

Weather in March

The first month of the spring, March, is still a cold month in North Cascades National Park, Washington, with average temperature fluctuating between 41°F (5°C) and 24.8°F (-4°C). In North Cascades National Park, the average high-temperature marginally rises, from 35.6°F (2°C) in February, to a still cold 41°F (5°C). Weather in March »

Weather in April

April is a chilly spring month in North Cascades National Park, Washington, with average temperature fluctuating between 48.2°F (9°C) and 28.4°F (-2°C). In North Cascades National Park, the average high-temperature in April slightly increases, from a cold 41°F (5°C) in March, to a chilly 48.2°F (9°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderate month in North Cascades National Park, Washington, with average temperature ranging between min 35.6°F (2°C) and max 55.4°F (13°C). In North Cascades National Park, the average high-temperature in May marginally rises, from a frosty 48.2°F (9°C) in April, to a moderate 55.4°F (13°C). Weather in May »

Weather in June

June, the first month of the summer, in North Cascades National Park, is an enjoyable month, with average temperature ranging between min 41°F (5°C) and max 62.6°F (17°C). In June, the average high-temperature slightly increases, from a mild 55.4°F (13°C) in May, to an enjoyable 62.6°F (17°C). Weather in June »

Weather in July

July in North Cascades National Park, Washington, is an agreeable summer month, with average temperature fluctuating between 44.6°F (7°C) and 69.8°F (21°C). July and August, with an average high-temperature of 69.8°F (21°C), are the warmest months. Weather in July »

Weather in August

The last month of the summer, August, is another pleasant month in North Cascades National Park, Washington, with average temperature ranging between max 69.8°F (21°C) and min 44.6°F (7°C). July and August, with an average high-temperature of 69.8°F (21°C), are the warmest months. Weather in August »

Weather in September

September, the first month of the autumn, in North Cascades National Park, is also an enjoyable month, with average temperature varying between 60.8°F (16°C) and 39.2°F (4°C). In September, the average high-temperature decreases, from a pleasant 69.8°F (21°C) in August, to an enjoyable 60.8°F (16°C). Weather in September »

Weather in October

October, like September, in North Cascades National Park, Washington, is another fresh autumn month, with temperature in the range of an average low of 32°F (0°C) and an average high of 51.8°F (11°C). In October, the average high-temperature decreases, from a comfortable 60.8°F (16°C) in September, to a fresh 51.8°F (11°C). Weather in October »

Weather in November

November, the last month of the autumn, in North Cascades National Park, is another cold month, with average temperature varying between 24.8°F (-4°C) and 35.6°F (2°C). In North Cascades National Park, the average high-temperature in November plummets, from a fresh 51.8°F (11°C) in October, to a cold 35.6°F (2°C). Weather in November »

Weather in December

December, the first month of the winter, in North Cascades National Park, is still a freezing cold month, with temperature in the range of an average high of 30.2°F (-1°C) and an average low of 17.6°F (-8°C). The coldest months are January and December, with an average high-temperature of 30.2°F (-1°C). Weather in December »

FAQ

What is the coldest month in North Cascades National Park?

The coldest months are January and December, with an average high-temperature of 30.2°F (-1°C).

How much does it rain in North Cascades National Park?

Throughout the year, in North Cascades National Park, there are 157 rainfall days, and 51" (1296mm) of precipitation is accumulated.

What is the month with the least sunshine in North Cascades National Park?

Months with the least sunshine are January, November and December, with an average of 2h of sunshine.

What are the months with the lowest UV index in North Cascades National Park?

Months with the lowest UV index in North Cascades National Park are January, November and December, with an average maximum UV index of 1.

When are the longest days in North Cascades National Park?

The month with the longest days in North Cascades National Park is June, with an average of 16.1h of daylight.

What is the month with the highest UV index in North Cascades National Park?

June through August, with an average maximum UV index of 7, are months with the highest UV index.

What are the warmest months in North Cascades National Park?

Warmest months are July and August, with an average high-temperature of 69.8°F (21°C).

What month has the most sunshine in North Cascades National Park?

The month with the most sunshine is July, with an average of 9h of sunshine.

What is the driest month in North Cascades National Park?

August is the month with the least rainfall in North Cascades National Park, Washington. Rain falls for 9 days and accumulates 1.7" (42mm) of precipitation.

What is the wettest month in North Cascades National Park?

December is the month with the most rainfall in North Cascades National Park. Rain falls for 18 days and accumulates 7.8" (199mm) of precipitation.

What is the month with the shortest days in North Cascades National Park?

December has the shortest days of the year, with an average of 8.4h of daylight.

Average temperature
North Cascades National Park, WA

Average temperature - North Cascades National Park, WA

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).

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

Average rainfall
North Cascades National Park, WA

Average rainfall - North Cascades National Park, WA

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

Average rainfall days
North Cascades National Park, WA

Average rainfall days - North Cascades National Park, WA

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

Average daylight / Average sunshine
North Cascades National Park, WA

Average daylight / Average sunshine - North Cascades National Park, WA

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

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

Average UV index
North Cascades National Park, WA

Average UV index - North Cascades National Park, WA

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).