March 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 March

March, the first month of the spring, in North Cascades National Park, is also a wintry month, with average temperature varying between 41°F (5°C) and 24.8°F (-4°C).

Temperature

In North Cascades National Park, the average high-temperature in March slightly increases, from a wintry 35.6°F (2°C) in February, to a still cold 41°F (5°C). The average low-temperature, in March, is 24.8°F (-4°C).

Rainfall

In North Cascades National Park, Washington, during March, the rain falls for 15 days and regularly aggregates up to 4.57" (116mm) 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 12h.

Sunshine

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

UV index

In March, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: In March, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

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

In North Cascades National Park, Washington, in March, the average high-temperature is 41°F (5°C), and the average low-temperature is 24.8°F (-4°C).

How many days does it rain in March in North Cascades National Park?

In North Cascades National Park, during March, the rain falls for 15 days and regularly aggregates up to 4.57" (116mm) of precipitation.

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

In March, the average length of the day in North Cascades National Park is 12h.

How many hours of sunshine does North Cascades National Park have in March?

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

What is the UV index reading in March in North Cascades National Park?

In March, the average daily maximum UV index 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 March
North Cascades National Park, WA

Average temperature in March - North Cascades National Park, WA
  • Average high temperature in March: 41°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 March: 25°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 March
North Cascades National Park, WA

Average rainfall in March - North Cascades National Park, WA
  • Average rainfall in March: 4.6"

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 March
North Cascades National Park, WA

Average rainfall days in March - North Cascades National Park, WA
  • Average rainfall days in March: 15 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 March /
Average sunshine in March
North Cascades National Park, WA

Average daylight in March / Average sunshine in March - North Cascades National Park, WA
  • Average daylight in March: 12h

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 March: 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 March
North Cascades National Park, WA

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