June weather forecast
Snoqualmie Pass, WA

Share

Weather in June

Weather in Snoqualmie Pass in June signifies the real onset of the warmer season. It is a favorable time for outdoor pursuits as nature blooms in its full grandeur. Witnessing a jump in temperatures, it also marks a month with considerable hours of sunshine. In a departure from the colder months, June ushers in a drier phase with least rainfall recorded during the entire year. It signifies the arrival of Snoqualmie's high-summer period, setting the groundwork for the warmest months of the year.

Temperature

Snoqualmie Pass's weather in June shows a minor rise in the average high-temperature, moving slightly up from May's cool 54.7°F (12.6°C) to a refreshing 60.4°F (15.8°C). Snoqualmie Pass experiences an average low-temperature of 39.7°F (4.3°C) in the month of June.

Humidity

In June, the average relative humidity is 76%.

Rainfall

In June, the rain falls for 14 days. Throughout June, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 127.9 rainfall days, and 28.58" (726mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall. June is the last month it regularly snows. During 1.4 snowfall days, in June, Snoqualmie Pass aggregates 0.2" (5mm) of snow. Throughout the year, there are 135.3 snowfall days, and 134.33" (3412mm) of snow is accumulated.

Daylight

The month with the longest days is June, with an average of 15h and 54min of daylight.
On the first day of the month, sunrise is at 5:12 am and sunset at 8:55 pm. On the last day of June, sunrise is at 5:12 am and sunset at 9:06 pm PDT.

Sunshine

In Snoqualmie Pass, the average sunshine in June is 9.4h.

UV index

The average daily maximum UV index in June is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 4 in June transforms into the following instructions:
Act with care - The need to guard against sun damage is communicated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in June?

The high-temperature, in June, in Snoqualmie Pass, is 60.4°F (15.8°C), while the low-temperature averages to 39.7°F (4.3°C).

What is the average humidity in June?

In June, the average relative humidity is 76%.

How many days does it rain in June?

In Snoqualmie Pass, in June, it is raining for 14 days, with typically 1.18" (30mm) of accumulated precipitation.

What is the last month it snows?

June is the last month it regularly snows. During 1.4 snowfall days, in June, Snoqualmie Pass aggregates 0.2" (5mm) of snow.

When are the longest days?

The month with the longest days is June, with an average of 15h and 54min of daylight.

What is the average length of the day in June?

In Snoqualmie Pass, the average day length in June is 15h and 53min.

When are sunrise and sunset in June?

In June, on the first day of the month, sunrise is at 5:12 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 5:12 am and sunset at 9:06 pm PDT.

How many hours of sunshine does Snoqualmie Pass have in June?

In June, the average sunshine duration is 9.4h.

How high is the UV index in June?

The average daily maximum UV index in June is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Snoqualmie Pass, WA

Average temperature in June - Snoqualmie Pass, WA
  • Average high temperature in June: 60.4°F

The warmest month (with the highest average high temperature) is August (71.2°F).
The month with the lowest average high temperature is December (30.2°F).

  • Average low temperature in June: 39.7°F

The month with the highest average low temperature is August (45°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).

Average pressure in June
Snoqualmie Pass, WA

Average pressure in June - Snoqualmie Pass, WA
  • Average pressure in June: 29.98"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).

Average wind speed in June
Snoqualmie Pass, WA

Average wind speed in June - Snoqualmie Pass, WA
  • Average wind speed in June: 4.8mph

The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).

Average humidity in June
Snoqualmie Pass, WA

Average humidity in June - Snoqualmie Pass, WA
  • Average humidity in June: 76%

The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is July (69%).

Average rainfall in June
Snoqualmie Pass, WA

Average rainfall in June - Snoqualmie Pass, WA
  • Average rainfall in June: 1.18"

The wettest month (with the highest rainfall) is January (4.21").
The driest month (with the least rainfall) is July (0.51").

Average rainfall days in June
Snoqualmie Pass, WA

Average rainfall days in June - Snoqualmie Pass, WA
  • Average rainfall days in June: 14 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in June
Snoqualmie Pass, WA

Average snowfall in June - Snoqualmie Pass, WA
  • Average snowfall in June: 0.2"

The month with the highest snowfall is January (27.72").
The months with the least snowfall are July and August (0").

Average snowfall days in June
Snoqualmie Pass, WA

Average snowfall days in June - Snoqualmie Pass, WA
  • Average snowfall days in June: 1.4 days

The month with the highest number of snowfall days is December (22.3 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in June /
Average sunshine in June
Snoqualmie Pass, WA

Average daylight in June / Average sunshine in June - Snoqualmie Pass, WA
  • Average daylight in June: 15h and 5min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in June: 9h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 0min).

Average sunshine days in June
Snoqualmie Pass, WA

Average sunshine days in June - Snoqualmie Pass, WA
  • Average sunshine days in June: 11.9 days

The month with the most sunshine days is August (20.2 days).
The month with the least sunshine days is February (6 days).

Average UV index in June
Snoqualmie Pass, WA

Average UV index in June - Snoqualmie Pass, WA
  • Average UV index in June: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in June
Snoqualmie Pass, WA

Average cloud cover in June - Snoqualmie Pass, WA
  • Average cloud cover in June: 50

The month with the most cloud cover is February (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in June
Snoqualmie Pass, WA

Average visibility in June - Snoqualmie Pass, WA
  • Average visibility in June: 5mi

The months with the highest visibility are June, July and August (5mi).
The months with the lowest visibility are January, February, March and December (3mi).

Snoqualmie Pass, Washington, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location