June 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 June

June, the first month of the summer, in North Cascades National Park, is an enjoyable month, with average temperature varying between 62.6°F (17°C) and 41°F (5°C).

Temperature

In North Cascades National Park, the average high-temperature marginally rises, from a moderate 55.4°F (13°C) in May, to an enjoyable 62.6°F (17°C). The average low-temperature, in June, is 41°F (5°C).

Rainfall

In North Cascades National Park, during June, the rain falls for 11 days and regularly aggregates up to 2.24" (57mm) of precipitation. In North Cascades National Park, during the entire year, the rain falls for 157 days and collects up to 51.02" (1296mm) of precipitation.

Daylight

June has the longest days of the year, with an average of 16.1h of daylight.

Sunshine

In June, the average sunshine in North Cascades National Park is 8h.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index in North Cascades National Park. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to the UV radiation for the ordinary person.
Note: In June, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
[Resources]

FAQ

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

In June, in North Cascades National Park, Washington, the average high-temperature is 62.6°F (17°C), and the average low-temperature is 41°F (5°C).

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

In North Cascades National Park, Washington, in June, it is raining for 11 days, with typically 2.24" (57mm) of accumulated precipitation.

When are the longest days in North Cascades National Park?

The month with the longest days is June, with an average of 16.1h of daylight.

How many hours of daylight does North Cascades National Park have in June?

In North Cascades National Park, Washington, the average length of the day in June is 16.1h.

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

In North Cascades National Park, the average sunshine in June is 8h.

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 is the UV index intensity in June in North Cascades National Park?

In June, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to the UV radiation.

Average temperature in June
North Cascades National Park, WA

Average temperature in June - North Cascades National Park, WA
  • Average high temperature in June: 63°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 June: 41°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).

[Resources]

Average rainfall in June
North Cascades National Park, WA

Average rainfall in June - North Cascades National Park, WA
  • Average rainfall in June: 2.2"

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

[Resources]

Average rainfall days in June
North Cascades National Park, WA

Average rainfall days in June - North Cascades National Park, WA
  • Average rainfall days in June: 11 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).

[Resources]

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

Average daylight in June / Average sunshine in June - North Cascades National Park, WA
  • Average daylight in June: 16.1h

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 June: 8h

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

[Resources]

Average UV index in June
North Cascades National Park, WA

Average UV index in June - North Cascades National Park, WA
  • Average UV index in June: 7

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).

[Resources]