June weather forecast
Seattle, WA

Beautiful dusk skyline over the giant skyscrapers of Seattle, Washington
Beautiful dusk skyline over the giant skyscrapers of Seattle, Washington

Weather in June

June, the first month of the summer in Seattle, is an agreeable month, with an average temperature ranging between min 48.4°F (9.1°C) and max 69.1°F (20.6°C).

Temperature

In Seattle, the average high-temperature in June is essentially the same as in May - a pleasant 69.1°F (20.6°C). The average low-temperature, in Seattle, is 48.4°F (9.1°C).

Humidity

The average relative humidity in June is 73%.

Rainfall

In June, the rain falls for 5.4 days. Throughout June, 0.24" (6mm) of precipitation is accumulated. In Seattle, during the entire year, the rain falls for 84.2 days and collects up to 5.2" (132mm) of precipitation.

Snowfall

In Seattle, snow does not fall in April through October and December.

Ocean temperature

In June, the average ocean temperature is 47.7°F (8.7°C).
Note: Swimming in 47.7°F (8.7°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

June has the longest days of the year in Seattle, with an average of 15h and 55min of daylight.
On the first day of the month, sunrise is at 5:15 am and sunset at 8:58 pm. On the last day of June, in Seattle, sunrise is at 5:15 am and sunset at 9:10 pm PDT.

Sunshine

In Seattle, Washington, the average sunshine in June is 9.4h.

UV index

The average daily maximum UV index in June in Seattle, Washington, is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 5 in June transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Seattle?

In June, in Seattle, the average high-temperature is 69.1°F (20.6°C), and the average low-temperature is 48.4°F (9.1°C).

What is the average humidity in June in Seattle?

In June, the average relative humidity in Seattle is 73%.

How much does it rain in Seattle in June?

In Seattle, in June, during 5.4 rainfall days, 0.24" (6mm) of precipitation is typically accumulated.

When it does not snow in Seattle?

In Seattle, Washington, snow does not fall in April through October and December.

How cold is the water in June in Seattle?

In June, the average ocean temperature is 47.7°F (8.7°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

When are the longest days in Seattle?

The month with the longest days in Seattle is June, with an average of 15h and 55min of daylight.

How many hours of daylight does Seattle have in June?

The average day length in June is 15h and 55min.

What time are sunrise and sunset in June in Seattle?

On the first day of June, sunrise is at 5:15 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 9:10 pm PDT.

How many hours of sunshine does Seattle have in June?

In Seattle, Washington, the average sunshine duration in June is 9.4h.

What is the UV index reading in June in Seattle?

In Seattle, Washington, the average daily maximum UV index in June is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average wind speed gusts
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Seattle, WA

Average temperature in June - Seattle, WA
  • Average high temperature in June: 69.1°F

The warmest month (with the highest average high temperature) is August (76.3°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in June: 48.4°F

The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (35.1°F).

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Average pressure in June
Seattle, WA

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

The month with the highest atmospheric pressure is January (30.1"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
Seattle, WA

Average wind speed in June - Seattle, WA
  • Average wind speed in June: 3.9mph

The windiest month (with the highest average wind speed) is March (5.3mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).

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Average humidity in June
Seattle, WA

Average humidity in June - Seattle, WA
  • Average humidity in June: 73%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (69%).

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Average rainfall in June
Seattle, WA

Average rainfall in June - Seattle, WA
  • Average rainfall in June: 0.24"

The wettest month (with the highest rainfall) is December (0.87").
The driest months (with the least rainfall) are July and August (0.12").

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Average rainfall days in June
Seattle, WA

Average rainfall days in June - Seattle, WA
  • Average rainfall days in June: 5.4 days

The month with the highest number of rainy days is November (9.1 days).
The month with the least rainy days is August (2.8 days).

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Average snowfall in June
Seattle, WA

Average snowfall in June - Seattle, WA
  • Average snowfall in June: 0"

The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").

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Average snowfall days in June
Seattle, WA

Average snowfall days in June - Seattle, WA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in June
Seattle, WA

Average sea temperature in June - Seattle, WA
  • Average sea temperature in June: 47.6°F

The best month for swimming (with the highest average sea temperature) is August (53.5°F).
The coldest month (with the lowest average sea temperature) is February (45.3°F).

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Average daylight in June /
Average sunshine in June
Seattle, WA

Average daylight in June / Average sunshine in June - Seattle, WA
  • Average daylight in June: 15h and 55min

The month with the longest days is June (Average daylight: 15h and 55min).
The month with the shortest days is December (Average daylight: 8h and 31min).

  • Average sunshine in June: 9h and 24min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).

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Average sunshine days in June
Seattle, WA

Average sunshine days in June - Seattle, WA
  • Average sunshine days in June: 21.8 days

The month with the most sunshine days is August (25.9 days).
The month with the least sunshine days is November (16.8 days).

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Average UV index in June
Seattle, WA

Average UV index in June - Seattle, WA
  • Average UV index in June: 5

The month with the highest UV index is July (UV index 6).
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
Seattle, WA

Average cloud cover in June - Seattle, WA
  • Average cloud cover in June: 42

The month with the most cloud cover is December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in June
Seattle, WA

Average visibility in June - Seattle, WA
  • Average visibility in June: 6mi

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (5mi).

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