July weather forecast
Corvallis, OR

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A large river with two bridges across it in the city of Corvalis, Oregon, home to the famed Oregon State University
A large river with two bridges across it in the city of Corvalis, Oregon, home to the famed Oregon State University

Weather in July

July marks the height of summer in Corvallis, Oregon. This period offers the highest temperatures, with heat intensifying to a high of 78.6°F (25.9°C). The lengthiest daytime and the least rainfall of the year make it a time for enjoying outdoor pursuits. Relative humidity continues to decrease and is at one of the lowest points of the year. The lengthy, warm, sunny periods are a constant, vibrant reminder of the summer's peak.

Temperature

The coming of July brings a minor shift in Corvallis's weather, with average high-temperatures adjusting from June's agreeable 70.3°F (21.3°C) to a warm 78.6°F (25.9°C). July nights are characterized by a notable drop from daytime highs, with an average low-temperature of 50.4°F (10.2°C).

Humidity

In July, the average relative humidity in Corvallis is 70%.

Rainfall

The month with the least rainfall in Corvallis, Oregon, is July, when the rain falls for 4.8 days and typically collects 0.28" (7mm) of precipitation.

Snowfall

In Corvallis, snow does not fall in April through October.

Daylight

In Corvallis, the average length of the day in July is 15h and 9min.
On the first day of July, sunrise is at 5:32 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:39 pm PDT.

Sunshine

July and August, with an average of 10.8h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 5 in July translates into the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. It's recommended to limit sun exposure when its radiation is at its peak during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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Frequently asked questions

What is the temperature in July in Corvallis?

In July, the average high-temperature and low-temperature in Corvallis, Oregon, are 78.6°F (25.9°C) and 50.4°F (10.2°C) respectively.

What is the average humidity in July in Corvallis?

In Corvallis, Oregon, the average relative humidity in July is 70%.

What is the driest month in Corvallis?

July is the month with the least rainfall. Rain falls for 4.8 days and accumulates 0.28" (7mm) of precipitation.

How many days does it rain in July in Corvallis?

In Corvallis, Oregon, in July, during 4.8 rainfall days, 0.28" (7mm) of precipitation is typically accumulated.

When it does not snow in Corvallis?

April through October are months without snowfall in Corvallis, Oregon.

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

In Corvallis, Oregon, the average day length in July is 15h and 9min.

What time are sunrise and sunset in July in Corvallis?

On the first day of July in Corvallis, Oregon, sunrise is at 5:32 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:39 pm PDT.

What are the months with the most sunshine in Corvallis?

The months with the most sunshine in Corvallis are July and August, with an average of 10.8h of sunshine.

How long on average sun shines in July in Corvallis?

In July, the average sunshine duration in Corvallis is 10.8h.

When is the highest UV index in Corvallis?

June through August, with an average maximum UV index of 5, are months with the highest UV index in Corvallis, Oregon.

What is the UV index reading in July in Corvallis?

The average daily maximum UV index in July in Corvallis, Oregon, is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Corvallis, OR

Average temperature in July - Corvallis, OR
  • Average high temperature in July: 78.6°F

The warmest month (with the highest average high temperature) is August (80.4°F).
The month with the lowest average high temperature is December (44.8°F).

  • Average low temperature in July: 50.4°F

The month with the highest average low temperature is August (52°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).

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Average pressure in July
Corvallis, OR

Average pressure in July - Corvallis, OR
  • Average pressure in July: 30.05"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

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Average wind speed in July
Corvallis, OR

Average wind speed in July - Corvallis, OR
  • Average wind speed in July: 4.3mph

The windiest month (with the highest average wind speed) is March (4.9mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).

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Average humidity in July
Corvallis, OR

Average humidity in July - Corvallis, OR
  • Average humidity in July: 70%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (69%).

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Average rainfall in July
Corvallis, OR

Average rainfall in July - Corvallis, OR
  • Average rainfall in July: 0.28"

The wettest month (with the highest rainfall) is December (4.8").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days in July
Corvallis, OR

Average rainfall days in July - Corvallis, OR
  • Average rainfall days in July: 4.8 days

The month with the highest number of rainy days is March (20.9 days).
The month with the least rainy days is August (4.5 days).

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Average snowfall in July
Corvallis, OR

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

The month with the highest snowfall is February (1.77").
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
Corvallis, OR

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

The month with the highest number of snowfall days is February (1.8 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
Corvallis, OR

Average daylight in July / Average sunshine in July - Corvallis, 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: 10h and 5min

The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in July
Corvallis, OR

Average sunshine days in July - Corvallis, OR
  • Average sunshine days in July: 24.3 days

The month with the most sunshine days is July (24.3 days).
The month with the least sunshine days is February (8.4 days).

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Average UV index in July
Corvallis, OR

Average UV index in July - Corvallis, OR
  • Average UV index in July: 5

The months with the highest UV index are June, July and August (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
Corvallis, OR

Average cloud cover in July - Corvallis, OR
  • Average cloud cover in July: 28

The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in July
Corvallis, OR

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

The months with the highest visibility are June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, May, November and December (4mi).

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Corvallis, Oregon, USA

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