June weather forecast
Mount Vernon, WA

Weather in June

June, the first month of the summer in Mount Vernon, is a comfortable month, with an average temperature varying between 63.9°F (17.7°C) and 49.3°F (9.6°C).

Temperature

In June, the average high-temperature is almost the same as in May - a comfortable 63.9°F (17.7°C). In June, the average low-temperature is 49.3°F (9.6°C).

Humidity

In June, the average relative humidity is 77%.

Rainfall

In Mount Vernon, during 12.4 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. Throughout the year, there are 185.2 rainfall days, and 34.72" (882mm) of precipitation is accumulated.

Snowfall

In Mount Vernon, Washington, snow does not fall in May through October.

Daylight

June has the longest days of the year in Mount Vernon, Washington, with an average of 16h and 2min of daylight.
On the first day of the month, sunrise is at 5:12 am and sunset at 9:02 pm. On the last day of June, sunrise is at 5:11 am and sunset at 9:14 pm PDT.

Sunshine

In Mount Vernon, Washington, the average sunshine in June is 9.2h.

UV index

The average daily maximum UV index in June is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 4 in June transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the 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 June in Mount Vernon?

In Mount Vernon, Washington, in June, the average high-temperature is 63.9°F (17.7°C), and the average low-temperature is 49.3°F (9.6°C).

What is the average humidity in June in Mount Vernon?

The average relative humidity in June in Mount Vernon, Washington, is 77%.

How much does it rain in Mount Vernon in June?

In June, in Mount Vernon, the rain falls for 12.4 days. Throughout June, 1.54" (39mm) of precipitation is accumulated.

When it does not snow in Mount Vernon?

In Mount Vernon, snow does not fall in May through October.

When are the longest days in Mount Vernon?

With an average of 16h and 2min of daylight, June has the longest days of the year.

How many hours of daylight does Mount Vernon have in June?

In Mount Vernon, Washington, the average day length in June is 16h and 2min.

When is the sunrise / sunset in June in Mount Vernon?

In June, on the first day of the month, sunrise is at 5:12 am and sunset at 9:02 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 9:14 pm PDT.

How long on average sun shines in June in Mount Vernon?

The average sunshine duration in June in Mount Vernon, Washington, is 9.2h.

How high is the UV index in June in Mount Vernon?

In June, the average daily maximum UV index in Mount Vernon is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Mount Vernon, WA

Average temperature in June - Mount Vernon, WA
  • Average high temperature in June: 63.9°F

The warmest months (with the highest average high temperature) are July and August (68.4°F).
The month with the lowest average high temperature is December (42.6°F).

  • Average low temperature in June: 49.3°F

The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is February (36.1°F).

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Average pressure in June
Mount Vernon, WA

Average pressure in June - Mount Vernon, WA
  • Average pressure in June: 30.02"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).

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Average wind speed in June
Mount Vernon, WA

Average wind speed in June - Mount Vernon, WA
  • Average wind speed in June: 4.4mph

The windiest month (with the highest average wind speed) is November (7.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity in June
Mount Vernon, WA

Average humidity in June - Mount Vernon, WA
  • Average humidity in June: 77%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is July (75%).

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Average rainfall in June
Mount Vernon, WA

Average rainfall in June - Mount Vernon, WA
  • Average rainfall in June: 1.54"

The wettest month (with the highest rainfall) is November (4.96").
The driest month (with the least rainfall) is July (0.63").

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Average rainfall days in June
Mount Vernon, WA

Average rainfall days in June - Mount Vernon, WA
  • Average rainfall days in June: 12.4 days

The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (7.2 days).

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Average snowfall in June
Mount Vernon, WA

Average snowfall in June - Mount Vernon, WA
  • Average snowfall in June: 0"

The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in June
Mount Vernon, WA

Average snowfall days in June - Mount Vernon, WA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in June /
Average sunshine in June
Mount Vernon, WA

Average daylight in June / Average sunshine in June - Mount Vernon, WA
  • Average daylight in June: 16h and 2min

The month with the longest days is June (Average daylight: 16h and 2min).
The month with the shortest days is December (Average daylight: 8h and 23min).

  • Average sunshine in June: 9h and 12min

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).

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Average sunshine days in June
Mount Vernon, WA

Average sunshine days in June - Mount Vernon, WA
  • Average sunshine days in June: 15 days

The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is November (8.1 days).

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Average UV index in June
Mount Vernon, WA

Average UV index in June - Mount Vernon, 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 2).

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Average cloud cover in June
Mount Vernon, WA

Average cloud cover in June - Mount Vernon, WA
  • Average cloud cover in June: 42

The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 26).

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Average visibility in June
Mount Vernon, WA

Average visibility in June - Mount Vernon, WA
  • Average visibility in June: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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