July weather forecast
Sunnyside, WA

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Weather in July

July is a tropical summer month in Sunnyside, Washington, with an average temperature varying between 87.1°F (30.6°C) and 60.8°F (16°C).

Temperature

With average temperatures fluctuating between a high of 87.1°F (30.6°C) and a low of 60.8°F (16°C), July stands out as the warmest month.

Humidity

July and August, with an average relative humidity of 38%, are the least humid months.

Rainfall

July is the month with the least rainfall. Rain falls for 4.1 days and accumulates 0.24" (6mm) of precipitation.

Snowfall

April through August and October are months without snowfall in Sunnyside.

Daylight

In Sunnyside, the average length of the day in July is 15h and 22min.
On the first day of July in Sunnyside, Washington, 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 8:31 pm PDT.

Sunshine

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

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 6 during July translates into the following guidance:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. 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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Frequently asked questions

What time of the year is the hottest in Sunnyside?

The warmest temperatures in Sunnyside occur during July, when averages reach a peak of 87.1°F (30.6°C) and a low of 60.8°F (16°C).

How hot is it in Sunnyside in July?

In Sunnyside, 87.1°F (30.6°C) is the average high-temperature and 60.8°F (16°C) is the average low-temperature during July.

What is the least humid month in Sunnyside?

July and August, with an average relative humidity of 38%, are the least humid months in Sunnyside, Washington.

What is the average humidity in July in Sunnyside?

In July, the average relative humidity is 38%.

What is the driest month in Sunnyside?

The month with the least rainfall in Sunnyside is July, when the rain falls for 4.1 days and typically collects 0.24" (6mm) of precipitation.

How many days does it rain in July in Sunnyside?

In Sunnyside, Washington, in July, during 4.1 rainfall days, 0.24" (6mm) of precipitation is typically accumulated.

When it does not snow in Sunnyside?

April through August and October are months without snowfall in Sunnyside.

What is the average length of the day in July in Sunnyside?

In July, the average day length in Sunnyside, Washington, is 15h and 22min.

When are sunrise and sunset in July in Sunnyside?

On the first day of July in Sunnyside, 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 8:31 pm PDT.

What is the month with the most sunshine in Sunnyside?

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

How long on average sun shines in July in Sunnyside?

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

What are the months with the highest UV index in Sunnyside?

The months with the highest UV index in Sunnyside, Washington, are June through August, with an average maximum UV index of 6.

What is the UV index intensity in July in Sunnyside?

The average daily maximum UV index in July in Sunnyside, Washington, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
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
Sunnyside, WA

Average temperature in July - Sunnyside, WA
  • Average high temperature in July: 87.1°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is December (36.1°F).

  • Average low temperature in July: 60.8°F

The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is December (25.3°F).

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Average pressure in July
Sunnyside, WA

Average pressure in July - Sunnyside, 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).

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Average wind speed in July
Sunnyside, WA

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

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is December (5mph).

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Average humidity in July
Sunnyside, WA

Average humidity in July - Sunnyside, WA
  • Average humidity in July: 38%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (38%).

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Average rainfall in July
Sunnyside, WA

Average rainfall in July - Sunnyside, WA
  • Average rainfall in July: 0.24"

The wettest month (with the highest rainfall) is May (1.1").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in July
Sunnyside, WA

Average rainfall days in July - Sunnyside, WA
  • Average rainfall days in July: 4.1 days

The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is July (4.1 days).

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Average snowfall in July
Sunnyside, WA

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

The month with the highest snowfall is December (2.24").
The months with the least snowfall are April, May, June, July, August and October (0").

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Average snowfall days in July
Sunnyside, WA

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

The month with the highest number of snowfall days is December (5 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).

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

Average daylight in July / Average sunshine in July - Sunnyside, 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).

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Average sunshine days in July
Sunnyside, WA

Average sunshine days in July - Sunnyside, WA
  • Average sunshine days in July: 26.2 days

The month with the most sunshine days is July (26.2 days).
The month with the least sunshine days is March (15.4 days).

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Average UV index in July
Sunnyside, WA

Average UV index in July - Sunnyside, WA
  • Average UV index in July: 6

The months with the highest UV index are June, July and August (UV index 6).
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
Sunnyside, WA

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

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 10).

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Average visibility in July
Sunnyside, WA

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

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

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Sunnyside, Washington, USA

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