Seattle
Washington, USA
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Seattle, WA

Beautiful dusk skyline over the giant skyscrapers of Seattle, Washington
Beautiful dusk skyline over the giant skyscrapers of Seattle, Washington
July is the driest month in Seattle with only five days of rain and the lowest precipitation of 0.9" (22.9mm) as well as the least humid at 64.8%. The sunshine hours are the highest in July, averaging ten. The sea temperature is 57.2°F (14°C). The month records the highest tourist numbers all year.
Temperatures are the most pleasant in the range of 55.4°F (13°C), and 73.4°F (23°C) and touring Seattle becomes most comfortable, especially with sixteen hours of daylight that allow for participation during the summer festivities late into the night.

What is the temperature in Julio in Seattle?

The average high-temperature, in Julio, in Seattle, is 75.7°F (24.3°C), while the average low-temperature is 55.6°F (13.1°C).

What is the least humid month in Seattle?

With an average relative humidity of 65.4%, Julio is the least humid month in Seattle, Washington.

What is the average humidity in Julio in Seattle?

In Julio, the average relative humidity is 65.4%.

How many days does it rain in Julio in Seattle?

In Seattle, Washington, in Julio, it is raining for 5 days, with typically 0.7" (17.8mm) of accumulated precipitation.

What is the driest month in Seattle?

Julio is the month with the least rainfall in Seattle. Rain falls for 5 days and accumulates 0.7" (17.8mm) of precipitation.

When it does not snow in Seattle?

In Seattle snow does not fall in Abril through Octubre.

What is the water temperature in Julio in Seattle?

In Julio, the average ocean temperature in Seattle is 50.9°F (10.5°C). Swimming in 50.9°F (10.5°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Seattle have in Julio?

In Julio, the average length of the day in Seattle is 15.5h.

What month has the most sunshine in Seattle?

With an average of 10.1h of sunshine, Julio has the most sunshine of the year.

How long on average sun shines in Julio in Seattle?

In Seattle, the average sunshine in Julio is 10.1h.

What is the month with the highest UV index in Seattle?

Months with the highest UV index in Seattle are Junio and Julio, with an average maximum UV index of 7.

What is the UV index intensity in Julio in Seattle?

The average daily maximum UV index in Julio in Seattle, Washington, is 7. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.
Average temperature in July - Seattle, WA
  • Average high temperature in July: 75.8°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 (45.7°F).

  • Average low temperature in July: 55.6°F

The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (35.6°F).

Average humidity in July - Seattle, WA
  • Average humidity in July: 65.4%

The month with the highest relative humidity is December (80.1%).
The month with the lowest relative humidity is July (65.4%).

Average rainfall in July - Seattle, WA
  • Average rainfall in July: 0.7"

The wettest month (with the highest rainfall) is November (6.6").
The driest month (with the lowest rainfall) is July (0.7").

Average rainfall days in July - Seattle, WA
  • Average rainfall days in July: 5 days

The month with the highest number of rainy days is November (18.4 days).
The month with the lowest number of rainy days is August (4.8 days).

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

Months with the highest snowfall are February and December (1.7").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is December (1.6 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September and October (0 days).

Average sea temperature in July - Seattle, WA
  • Average sea temperature in July: 50.8°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).

Average daylight in July / Average sunshine in July - Seattle, WA
  • Average daylight in July: 15.5h

The month with the longest days is June (Average daylight: 15.9h).
The month with shortest days is December (Average daylight: 8.5h).

  • Average sunshine in July: 10.1h

The month with most sunshine is July (Average sunshine: 10.1h).
The month with least sunshine is December (Average sunshine: 1.7h).

Average UV index in July - Seattle, WA
  • Average UV index in July: 7

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, November and December (UV index 1).