July Weather in Corvallis, United States

Last updated: June 24, 2025

In July, the average temperature in Corvallis, United States hovers around 19°C (66°F). Expect a comfortable range, with minimums dipping to 1°C (33°F) and maximums soaring up to 34°C (94°F). During this month, precipitation is fairly light, totaling about 17 mm (0.7 in) over 5 days. You'll also experience an average humidity of 77%, adding a touch of moisture to the air.

July Temperature in Corvallis

In July in Corvallis, the average temperature is 19°C (66°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop as low as 1°C (33°F). Make sure to pack layers to enjoy both warm days and cooler nights while exploring.

July Weather in Corvallis: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Corvallis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Corvallis, July typically has an average temperature of 19°C (66°F), with highs reaching up to 34°C (94°F) and lows dropping to around 1°C (33°F).

Data source: Temperature data for Corvallis generated using information from the Copernicus Climate Change Service.

July Precipitation in Corvallis

In Corvallis in July, the precipitation amount is 17 mm (0.7 in) over the course of 5 days.

July Precipitation Trends in Corvallis

The chart displays monthly precipitation patterns in Corvallis, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Corvallis, July typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 5 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

July Humidity in Corvallis

In Corvallis in July, humidity is 77%. With an average temperature of 19°C (66°F), this humidity feels like a heavy blanket wrapping around you, making the air feel thick and sticky, which can be quite uncomfortable for traveling.

July Average Humidity in Corvallis

This chart illustrates the average monthly humidity levels in Corvallis, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Corvallis is approximately 77%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Corvallis

In Corvallis in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Corvallis.

Maximum UV Index Levels in Corvallis for July

The chart shows the monthly maximum UV Index (UVI) for Corvallis in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Corvallis typically reaches 10, which falls under the very high exposure category.

Data source: Corvallis July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How July Weather in Corvallis Compares to Other Months

Weather in Corvallis varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Corvallis, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Corvallis, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	43 mm (1.7 inches)	93%	moderate
February Weather	-5°C (23°F)	98 mm (3.9 inches)	92%	moderate
March Weather	0°C (32°F)	60 mm (2.4 inches)	89%	high
April Weather	2°C (36°F)	69 mm (2.7 inches)	85%	very high
May Weather	8°C (47°F)	72 mm (2.8 inches)	80%	very high
June Weather	14°C (57°F)	77 mm (3.0 inches)	78%	very high
July Weather	19°C (66°F)	17 mm (0.7 inches)	77%	very high
August Weather	18°C (65°F)	21 mm (0.8 inches)	66%	very high
September Weather	13°C (55°F)	34 mm (1.3 inches)	67%	very high
October Weather	4°C (39°F)	65 mm (2.5 inches)	77%	moderate
November Weather	-1°C (30°F)	58 mm (2.3 inches)	89%	moderate
December Weather	-6°C (22°F)	62 mm (2.5 inches)	95%	low