July weather forecast
Grandview, WA

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Weather in July

July is a hot summer month in Grandview, Washington, with an average temperature ranging between max 87.8°F (31°C) and min 61.5°F (16.4°C).

Temperature

July temperatures tend to peak at an average high of 87.8°F (31°C) and dip to a low of 61.5°F (16.4°C).

Humidity

With an average relative humidity of 37%, July is the least humid month.

Rainfall

July is the month with the least rainfall. Rain falls for 4 days and accumulates 0.2" (5mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in July is 15h and 21min.
On the first day of the month, sunrise is at 5:12 am and sunset at 8:55 pm. On the last day of July, sunrise is at 5:41 am and sunset at 8:30 pm PDT.

Sunshine

July and August, with an average of 12h of sunshine, are months with the most sunshine.

UV index

July is the month with the highest UV index, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 7 during July translates into the following directions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Frequently asked questions

What are the warmest months?

Grandview's temperatures tend to reach their peak averages in July, with a high of 87.8°F (31°C) and a low of 61.5°F (16.4°C).

How hot is it in July?

The average high-temperature, in July, in Grandview, is 87.8°F (31°C), while the average low-temperature is 61.5°F (16.4°C).

What is the least humid month?

With an average relative humidity of 37%, July is the least humid month.

What is the average humidity in July?

The average relative humidity in July is 37%.

What is the driest month?

July is the month with the least rainfall. Rain falls for 4 days and accumulates 0.2" (5mm) of precipitation.

How many days does it rain in July?

In Grandview, in July, during 4 rainfall days, 0.2" (5mm) of precipitation is typically accumulated.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Grandview have in July?

In July, the average day length is 15h and 21min.

When are sunrise and sunset in July?

On the first day of July, sunrise is at 5:12 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:30 pm PDT.

What are the months with the most sunshine?

The months with the most sunshine are July and August, with an average of 12h of sunshine.

How long on average sun shines in July?

In Grandview, the average sunshine duration in July is 12h.

What is the month with the highest UV index?

July is the month with the highest UV index, with an average maximum UV index of 7.

How high is the UV index in July in Grandview?

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

Average temperature in July - Grandview, WA
  • Average high temperature in July: 87.8°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (36.5°F).

  • Average low temperature in July: 61.5°F

The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).

Average pressure in July
Grandview, WA

Average pressure in July - Grandview, WA
  • Average pressure in July: 29.94"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).

Average wind speed in July
Grandview, WA

Average wind speed in July - Grandview, WA
  • Average wind speed in July: 6.8mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.2mph).

Average humidity in July
Grandview, WA

Average humidity in July - Grandview, WA
  • Average humidity in July: 37%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is July (37%).

Average rainfall in July
Grandview, WA

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

The wettest month (with the highest rainfall) is May (0.71").
The driest month (with the least rainfall) is July (0.2").

Average rainfall days in July
Grandview, WA

Average rainfall days in July - Grandview, WA
  • Average rainfall days in July: 4 days

The month with the highest number of rainy days is May (9.2 days).
The month with the least rainy days is July (4 days).

Average snowfall in July
Grandview, WA

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

The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in July
Grandview, WA

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

The month with the highest number of snowfall days is December (3.9 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).

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

Average daylight in July / Average sunshine in July - Grandview, 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 0min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in July
Grandview, WA

Average sunshine days in July - Grandview, 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 February (18.7 days).

Average UV index in July
Grandview, WA

Average UV index in July - Grandview, 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).

Average cloud cover in July
Grandview, WA

Average cloud cover in July - Grandview, WA
  • Average cloud cover in July: 10

The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 10).

Average visibility in July
Grandview, WA

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

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

Grandview, Washington, USA

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