July weather forecast
Cascadia, OR

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Weather in July

July is a warm summer month in Cascadia, Oregon, with an average temperature fluctuating between 78.4°F (25.8°C) and 48°F (8.9°C).

Temperature

The shift from June to July is marked by an increase in the average high-temperature, moving from an agreeable 69.4°F (20.8°C) to a moderately hot 78.4°F (25.8°C). Cascadia experiences a significant reduction from daytime highs with an average low-temperature of 48°F (8.9°C) in July.

Humidity

The average relative humidity in July in Cascadia, Oregon, is 68%.

Rainfall

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

Snowfall

May through October are months without snowfall in Cascadia, Oregon.

Daylight

The average length of the day in July is 15h and 8min.
On the first day of the month, sunrise is at 5:29 am and sunset at 8:58 pm. On the last day of July, sunrise is at 5:56 am and sunset at 8:35 pm PDT.

Sunshine

The average sunshine in July is 11.2h.

UV index

July is the month with the highest UV index in Cascadia, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In July, a regular UV index of 6 translates into these guidelines:
Take precautions against overexposure. Protection against sun damage is needed. 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. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What is the temperature in July in Cascadia?

In Cascadia, 78.4°F (25.8°C) is the average high-temperature and 48°F (8.9°C) is the average low-temperature during July.

What is the average humidity in July in Cascadia?

In Cascadia, the average relative humidity in July is 68%.

What is the driest month in Cascadia?

The month with the least rainfall in Cascadia 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 Cascadia?

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

When it does not snow in Cascadia?

In Cascadia, snow does not fall in May through October.

How many hours of daylight does Cascadia have in July?

In July, the average day length in Cascadia, Oregon, is 15h and 8min.

When is the sunrise / sunset in July in Cascadia?

On the first day of July in Cascadia, Oregon, sunrise is at 5:29 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:35 pm PDT.

How long on average sun shines in July in Cascadia?

In July, the average sunshine duration in Cascadia, Oregon, is 11.2h.

When is the highest UV index in Cascadia?

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

How high is the UV index in July in Cascadia?

In July, the average daily maximum UV index in Cascadia is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Cascadia, OR

Average temperature in July - Cascadia, OR
  • Average high temperature in July: 78.4°F

The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is December (44.4°F).

  • Average low temperature in July: 48°F

The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).

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Average pressure in July
Cascadia, OR

Average pressure in July - Cascadia, OR
  • Average pressure in July: 30.03"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

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Average wind speed in July
Cascadia, OR

Average wind speed in July - Cascadia, OR
  • Average wind speed in July: 3.9mph

The windiest month (with the highest average wind speed) is January (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity in July
Cascadia, OR

Average humidity in July - Cascadia, OR
  • Average humidity in July: 68%

The months with the highest relative humidity are February, March and December (86%).
The month with the lowest relative humidity is August (66%).

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Average rainfall in July
Cascadia, OR

Average rainfall in July - Cascadia, OR
  • Average rainfall in July: 0.24"

The wettest month (with the highest rainfall) is December (5.47").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in July
Cascadia, OR

Average rainfall days in July - Cascadia, OR
  • Average rainfall days in July: 4.1 days

The month with the highest number of rainy days is March (21.1 days).
The month with the least rainy days is July (4.1 days).

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Average snowfall in July
Cascadia, OR

Average snowfall in July - Cascadia, OR
  • Average snowfall in July: 0"

The month with the highest snowfall is February (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Cascadia, OR

Average snowfall days in July - Cascadia, OR
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (3.4 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
Cascadia, OR

Average daylight in July / Average sunshine in July - Cascadia, OR
  • Average daylight in July: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in July: 11h and 1min

The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

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Average sunshine days in July
Cascadia, OR

Average sunshine days in July - Cascadia, OR
  • 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 (8.4 days).

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Average UV index in July
Cascadia, OR

Average UV index in July - Cascadia, OR
  • Average UV index in July: 6

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 1).

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Average cloud cover in July
Cascadia, OR

Average cloud cover in July - Cascadia, OR
  • Average cloud cover in July: 22

The months with the most cloud cover are February and March (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 19).

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Average visibility in July
Cascadia, OR

Average visibility in July - Cascadia, OR
  • Average visibility in July: 5mi

The month with the highest visibility is August (6mi).
The months with the lowest visibility are February and April (4mi).

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Cascadia, Oregon, USA

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