July weather forecast
Kennewick, WA

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Yellow night lights on the pillars of the iconic Benton Franklin Intercounty Bridge passing over the Columbia River in Kennewick, Washington
Yellow night lights on the pillars of the iconic Benton Franklin Intercounty Bridge passing over the Columbia River in Kennewick, Washington

Weather in July

July is the hottest month in Kennewick, providing quintessential summer weather. Temperatures frequently rise to around 90.1°F (32.3°C). It is the month with the least chances of rainfall, translating to clear, sunny days perfect for picnics and park strolls. Despite the heat, humidity remains low, offering a dry summer. The city brims with energy and activity during these summertime months, becoming a hub for music festivals and outdoor events.

Temperature

Kennewick's July weather reaches an average high of 90.1°F (32.3°C) and an average low of 62.6°F (17°C), making it the warmest month.

Humidity

July is the least humid month in Kennewick, with an average relative humidity of 35%.

Rainfall

July is the month with the least rainfall in Kennewick. Rain falls for 3.5 days and accumulates 0.2" (5mm) of precipitation.

Snowfall

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

Daylight

In July, the average length of the day in Kennewick, Washington, is 15h and 21min.
On the first day of the month, sunrise is at 5:09 am and sunset at 8:51 pm. On the last day of July, sunrise is at 5:38 am and sunset at 8:27 pm PDT.

Sunshine

With an average of 12.1h of sunshine, July has the most sunshine of the year.

UV index

With an average maximum UV index of 7, July is the month with the highest UV index in Kennewick. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In July, a daily UV index of 7 turns into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What is the warmest month in Kennewick?

With average temperatures fluctuating between a high of 90.1°F (32.3°C) and a low of 62.6°F (17°C), July stands out as the warmest month.

How hot does it get in Kennewick in July?

The high-temperature, in July, in Kennewick, is 90.1°F (32.3°C), while the low-temperature averages to 62.6°F (17°C).

What is the least humid month in Kennewick?

The least humid month in Kennewick is July, with an average relative humidity of 35%.

What is the average humidity in July in Kennewick?

In July, the average relative humidity in Kennewick, Washington, is 35%.

What is the driest month in Kennewick?

July is the month with the least rainfall in Kennewick. Rain falls for 3.5 days and accumulates 0.2" (5mm) of precipitation.

How many days does it rain in July in Kennewick?

In July, in Kennewick, the rain falls for 3.5 days. Throughout July, 0.2" (5mm) of precipitation is accumulated.

When it does not snow in Kennewick?

April through October are months without snowfall in Kennewick, Washington.

How many hours of daylight does Kennewick have in July?

The average day length in July is 15h and 21min.

When are sunrise and sunset in July in Kennewick?

On the first day of July, sunrise is at 5:09 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:27 pm PDT.

What month has the most sunshine in Kennewick?

With an average of 12.1h of sunshine, July has the most sunshine of the year.

How long on average sun shines in July in Kennewick?

The average sunshine duration in July in Kennewick is 12.1h.

When is the highest UV index in Kennewick?

With an average maximum UV index of 7, July is the month with the highest UV index in Kennewick, Washington.

What is the UV index intensity in July in Kennewick?

In Kennewick, Washington, the average daily maximum UV index in July is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from 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
Kennewick, WA

Average temperature in July - Kennewick, WA
  • Average high temperature in July: 90.1°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (38.3°F).

  • Average low temperature in July: 62.6°F

The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is December (27.9°F).

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Average pressure in July
Kennewick, WA

Average pressure in July - Kennewick, WA
  • Average pressure in July: 29.92"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

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Average wind speed in July
Kennewick, WA

Average wind speed in July - Kennewick, WA
  • Average wind speed in July: 6.7mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).

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Average humidity in July
Kennewick, WA

Average humidity in July - Kennewick, WA
  • Average humidity in July: 35%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is July (35%).

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Average rainfall in July
Kennewick, WA

Average rainfall in July - Kennewick, WA
  • Average rainfall in July: 0.2"

The wettest months (with the highest rainfall) are March and December (0.94").
The driest month (with the least rainfall) is July (0.2").

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Average rainfall days in July
Kennewick, WA

Average rainfall days in July - Kennewick, WA
  • Average rainfall days in July: 3.5 days

The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is July (3.5 days).

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Average snowfall in July
Kennewick, WA

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

The month with the highest snowfall is February (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in July
Kennewick, WA

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

The month with the highest number of snowfall days is December (3.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in July / Average sunshine in July - Kennewick, WA
  • Average daylight in July: 15h and 2min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in July: 12h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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Average sunshine days in July
Kennewick, WA

Average sunshine days in July - Kennewick, WA
  • Average sunshine days in July: 25.7 days

The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is March (15.4 days).

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Average UV index in July
Kennewick, WA

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in July
Kennewick, WA

Average cloud cover in July - Kennewick, WA
  • Average cloud cover in July: 9

The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in July
Kennewick, WA

Average visibility in July - Kennewick, WA
  • Average visibility in July: 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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Kennewick, Washington, USA

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