July weather forecast
Walnut Grove, WA

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Weather in July

July in Walnut Grove, Washington, is a warm summer month, with an average temperature varying between 51.6°F (10.9°C) and 79.5°F (26.4°C).

Temperature

The shift from June to July is marked by a slight increase in the average high-temperature, moving from a pleasant 72°F (22.2°C) to a moderately hot 79.5°F (26.4°C). Walnut Grove, after an intense day, registers a significant cooling to an average low-temperature of 51.6°F (10.9°C) throughout July.

Humidity

In July, the average relative humidity is 66%.

Rainfall

The month with the least rainfall is July, when the rain falls for 5.4 days and typically collects 0.35" (9mm) of precipitation.

Snowfall

In Walnut Grove, snow does not fall in April through October.

Daylight

In Walnut Grove, the average length of the day in July is 15h and 17min.
On the first day of July, sunrise is at 5:25 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:39 pm PDT.

Sunshine

In July, the average sunshine is 10.8h.

UV index

With an average maximum UV index of 6, July is the month with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A typical high UV index of 6 in July suggests the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in July?

During July, Walnut Grove experiences an average high-temperature of 79.5°F (26.4°C) and a low-temperature of 51.6°F (10.9°C).

What is the average humidity in July?

In Walnut Grove, the average relative humidity in July is 66%.

What is the driest month?

July is the month with the least rainfall. Rain falls for 5.4 days and accumulates 0.35" (9mm) of precipitation.

How many days does it rain in July?

In July, the rain falls for 5.4 days. Throughout July, 0.35" (9mm) of precipitation is accumulated.

When it does not snow?

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

What is the average length of the day in July?

The average day length in July is 15h and 17min.

When is the sunrise / sunset in July?

On the first day of July, sunrise is at 5:25 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:39 pm PDT.

How long on average sun shines in July?

In July, the average sunshine duration is 10.8h.

When is the highest UV index?

July is the month with the highest UV index in Walnut Grove, with an average maximum UV index of 6.

How high is the UV index in July?

In Walnut Grove, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high 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
Walnut Grove, WA

Average temperature in July - Walnut Grove, WA
  • Average high temperature in July: 79.5°F

The warmest month (with the highest average high temperature) is August (80.6°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in July: 51.6°F

The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (34°F).

Average pressure in July
Walnut Grove, WA

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in July
Walnut Grove, WA

Average wind speed in July - Walnut Grove, WA
  • Average wind speed in July: 4mph

The windiest month (with the highest average wind speed) is January (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity in July
Walnut Grove, WA

Average humidity in July - Walnut Grove, WA
  • Average humidity in July: 66%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (65%).

Average rainfall in July
Walnut Grove, WA

Average rainfall in July - Walnut Grove, WA
  • Average rainfall in July: 0.35"

The wettest month (with the highest rainfall) is December (5.08").
The driest month (with the least rainfall) is July (0.35").

Average rainfall days in July
Walnut Grove, WA

Average rainfall days in July - Walnut Grove, WA
  • Average rainfall days in July: 5.4 days

The month with the highest number of rainy days is March (20.6 days).
The month with the least rainy days is August (4.9 days).

Average snowfall in July
Walnut Grove, WA

Average snowfall in July - Walnut Grove, 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
Walnut Grove, WA

Average snowfall days in July - Walnut Grove, WA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in July /
Average sunshine in July
Walnut Grove, WA

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in July: 10h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The months with the least sunshine are January and February (Average sunshine: 4h and 6min).

Average sunshine days in July
Walnut Grove, WA

Average sunshine days in July - Walnut Grove, WA
  • Average sunshine days in July: 24.1 days

The month with the most sunshine days is July (24.1 days).
The month with the least sunshine days is February (7.9 days).

Average UV index in July
Walnut Grove, WA

Average UV index in July - Walnut Grove, WA
  • Average UV index in July: 6

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).

Average cloud cover in July
Walnut Grove, WA

Average cloud cover in July - Walnut Grove, WA
  • Average cloud cover in July: 25

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 23).

Average visibility in July
Walnut Grove, WA

Average visibility in July - Walnut Grove, WA
  • Average visibility in July: 6mi

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

Walnut Grove, Washington, USA

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