July weather forecast
Chehalis, WA

Weather in July

July is a moderately hot summer month in Chehalis, Washington, with an average temperature fluctuating between 48.4°F (9.1°C) and 76.6°F (24.8°C).

Temperature

In Chehalis, the average high-temperature in July slightly increases from a pleasant 69.4°F (20.8°C) in June to a warm 76.6°F (24.8°C). The average low-temperature, in Chehalis, is 48.4°F (9.1°C).

Humidity

The least humid month is July, with an average relative humidity of 73%.

Rainfall

The month with the least rainfall is July, when the rain falls for 6.5 days and typically collects 0.47" (12mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In July, the average length of the day is 15h and 24min.
On the first day of July in Chehalis, sunrise is at 5:22 am and sunset at 9:09 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:45 pm PDT.

Sunshine

In Chehalis, the average sunshine in July is 9.9h.

UV index

The month with the highest UV index in Chehalis is July, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 5 in July interpret into the following advice:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in July in Chehalis?

In Chehalis, in July, the average high-temperature is 76.6°F (24.8°C), and the average low-temperature is 48.4°F (9.1°C).

What is the least humid month in Chehalis?

July is the least humid month in Chehalis, Washington, with an average relative humidity of 73%.

What is the average humidity in July in Chehalis?

In Chehalis, the average relative humidity in July is 73%.

What is the driest month in Chehalis?

July is the month with the least rainfall. Rain falls for 6.5 days and accumulates 0.47" (12mm) of precipitation.

How many days does it rain in July in Chehalis?

In Chehalis, Washington, in July, it is raining for 6.5 days, with typically 0.47" (12mm) of accumulated precipitation.

When it does not snow in Chehalis?

In Chehalis, Washington, snow does not fall in April through October.

How many hours of daylight does Chehalis have in July?

The average day length in July in Chehalis is 15h and 24min.

When is the sunrise / sunset in July in Chehalis?

In July, on the first day of the month, sunrise is at 5:22 am and sunset at 9:09 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:45 pm PDT.

How many hours of sunshine does Chehalis have in July?

In July, the average sunshine duration is 9.9h.

When is the highest UV index in Chehalis?

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

How high is the UV index in July in Chehalis?

In July, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Chehalis, WA

Average temperature in July - Chehalis, WA
  • Average high temperature in July: 76.6°F

The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (42.6°F).

  • Average low temperature in July: 48.4°F

The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).

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Average pressure in July
Chehalis, WA

Average pressure in July - Chehalis, WA
  • Average pressure in July: 30.06"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 (30.02"Hg).

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Average wind speed in July
Chehalis, WA

Average wind speed in July - Chehalis, WA
  • Average wind speed in July: 3.9mph

The windiest months (with the highest average wind speed) are January, March and November (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.6mph).

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Average humidity in July
Chehalis, WA

Average humidity in July - Chehalis, WA
  • Average humidity in July: 73%

The months with the highest relative humidity are January, February, November and December (89%).
The month with the lowest relative humidity is July (73%).

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Average rainfall in July
Chehalis, WA

Average rainfall in July - Chehalis, WA
  • Average rainfall in July: 0.47"

The wettest month (with the highest rainfall) is January (5.51").
The driest month (with the least rainfall) is July (0.47").

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Average rainfall days in July
Chehalis, WA

Average rainfall days in July - Chehalis, WA
  • Average rainfall days in July: 6.5 days

The month with the highest number of rainy days is March (21.5 days).
The month with the least rainy days is August (6.4 days).

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Average snowfall in July
Chehalis, WA

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

The month with the highest snowfall is February (1.93").
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
Chehalis, WA

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

The month with the highest number of snowfall days is February (3.5 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 July /
Average sunshine in July
Chehalis, WA

Average daylight in July / Average sunshine in July - Chehalis, WA
  • Average daylight in July: 15h and 24min

The month with the longest days is June (Average daylight: 15h and 47min).
The month with the shortest days is December (Average daylight: 8h and 38min).

  • Average sunshine in July: 9h and 54min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

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Average sunshine days in July
Chehalis, WA

Average sunshine days in July - Chehalis, WA
  • Average sunshine days in July: 20.8 days

The months with the most sunshine days are July and August (20.8 days).
The month with the least sunshine days is February (7.6 days).

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Average UV index in July
Chehalis, WA

Average UV index in July - Chehalis, 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, November and December (UV index 2).

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Average cloud cover in July
Chehalis, WA

Average cloud cover in July - Chehalis, WA
  • Average cloud cover in July: 39

The months with the most cloud cover are January, February and December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).

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Average visibility in July
Chehalis, WA

Average visibility in July - Chehalis, WA
  • Average visibility in July: 4mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).

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