July weather forecast
Summit, WA

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Weather in July

July in Summit, Washington, is a moderately hot summer month, with an average temperature ranging between max 76.3°F (24.6°C) and min 50.2°F (10.1°C).

Temperature

Summit's transition into July is marked by a minor temperature shift, moving from an agreeable 68.5°F (20.3°C) in June to a moderately hot 76.3°F (24.6°C). In July, the temperature in Summit, Washington, sees a substantial plunge from daytime highs to a low average of 50.2°F (10.1°C).

Humidity

The least humid month in Summit is July, with an average relative humidity of 69%.

Rainfall

The month with the least rainfall in Summit, Washington, is July, when the rain falls for 7 days and typically collects 0.43" (11mm) of precipitation.

Snowfall

In Summit, snow does not fall in April through October.

Daylight

In Summit, the average length of the day in July is 15h and 28min.
On the first day of July in Summit, sunrise is at 5:18 am and sunset at 9:08 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:43 pm PDT.

Sunshine

The average sunshine in July in Summit is 10.7h.

UV index

July is the month with the highest UV index, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In July, the maximum UV index of 5 suggests this advice:
Guard yourself - Precautionary measures against sun damage are advocated. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average July temperature in Summit?

In July, the average high-temperature and low-temperature in Summit, Washington, are 76.3°F (24.6°C) and 50.2°F (10.1°C) respectively.

What is the least humid month in Summit?

The least humid month is July, with an average relative humidity of 69%.

What is the average humidity in July in Summit?

In Summit, the average relative humidity in July is 69%.

What is the driest month in Summit?

July is the month with the least rainfall. Rain falls for 7 days and accumulates 0.43" (11mm) of precipitation.

How much does it rain in Summit in July?

In Summit, Washington, during July, the rain falls for 7 days and regularly aggregates up to 0.43" (11mm) of precipitation.

When it does not snow in Summit?

April through October are months without snowfall in Summit.

How many hours of daylight does Summit have in July?

In July, the average day length in Summit, Washington, is 15h and 28min.

When are sunrise and sunset in July in Summit?

In July, on the first day of the month, sunrise is at 5:18 am and sunset at 9:08 pm. On the last day of the month, in Summit, sunrise is at 5:48 am and sunset at 8:43 pm PDT.

How long on average sun shines in July in Summit?

In July, the average sunshine duration in Summit, Washington, is 10.7h.

When is the highest UV index in Summit?

With an average maximum UV index of 5, July is the month with the highest UV index in Summit, Washington.

What is the UV index intensity in July in Summit?

In July, the average daily maximum UV index in Summit is 5. A UV Index estimate of 3 to 5 represents a moderate health threat 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 July
Summit, WA

Average temperature in July - Summit, WA
  • Average high temperature in July: 76.3°F

The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (42.8°F).

  • Average low temperature in July: 50.2°F

The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is December (32.7°F).

Average pressure in July
Summit, WA

Average pressure in July - Summit, WA
  • Average pressure in July: 30.03"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in July
Summit, WA

Average wind speed in July - Summit, WA
  • Average wind speed in July: 3.7mph

The windiest month (with the highest average wind speed) is March (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

Average humidity in July
Summit, WA

Average humidity in July - Summit, WA
  • Average humidity in July: 69%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is July (69%).

Average rainfall in July
Summit, WA

Average rainfall in July - Summit, WA
  • Average rainfall in July: 0.43"

The wettest month (with the highest rainfall) is December (4.92").
The driest month (with the least rainfall) is July (0.43").

Average rainfall days in July
Summit, WA

Average rainfall days in July - Summit, WA
  • Average rainfall days in July: 7 days

The month with the highest number of rainy days is March (21 days).
The month with the least rainy days is August (6.2 days).

Average snowfall in July
Summit, WA

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

The month with the highest snowfall is February (1.42").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in July
Summit, WA

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

The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in July /
Average sunshine in July
Summit, WA

Average daylight in July / Average sunshine in July - Summit, WA
  • Average daylight in July: 15h and 3min

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 36min).

  • Average sunshine in July: 10h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).

Average sunshine days in July
Summit, WA

Average sunshine days in July - Summit, WA
  • Average sunshine days in July: 22.2 days

The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is February (8.2 days).

Average UV index in July
Summit, WA

Average UV index in July - Summit, WA
  • Average UV index in July: 5

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in July
Summit, WA

Average cloud cover in July - Summit, WA
  • Average cloud cover in July: 26

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

Average visibility in July
Summit, WA

Average visibility in July - Summit, WA
  • Average visibility in July: 6mi

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

Summit, Washington, USA

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