July Weather in Oregon, United States

Last updated: June 24, 2025

In July, the average temperature in Oregon, United States hovers around 26°C (79°F). Temperatures can vary significantly, with a minimum of 14°C (58°F) and a maximum soaring to 38°C (100°F). Expect 119 mm (4.7 in) of precipitation spread over 8 days, contributing to an average humidity of 81%, creating a warm and often humid atmosphere.

July Temperature in Oregon

In July in Oregon, the average temperature is 26°C (79°F). The maximum can reach 38°C (100°F), and the minimum can be as low as 14°C (58°F). Be prepared for warm days and cooler nights while exploring this vibrant destination!

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

The chart illustrates July temperature patterns in Oregon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oregon, July typically has an average temperature of 26°C (79°F), with highs reaching up to 38°C (100°F) and lows dropping to around 14°C (58°F).

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

July Precipitation in Oregon

In Oregon in July, the precipitation amount is 119 mm (4.7 in) over a span of 8 days.

July Precipitation Trends in Oregon

The chart displays monthly precipitation patterns in Oregon, 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 Oregon, July typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 8 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 Oregon

In Oregon in July, humidity is 81%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor adventures stickier and more draining, yet still vibrant with life—perfect for exploring local culture, but you'll want to take frequent breaks and stay hydrated.

July Average Humidity in Oregon

This chart illustrates the average monthly humidity levels in Oregon, 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 Oregon is approximately 81%, 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 Oregon

In Oregon in July, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Oregon.

Maximum UV Index Levels in Oregon for July

The chart shows the monthly maximum UV Index (UVI) for Oregon 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 Oregon typically reaches 11, which falls under the extreme exposure category.

Data source: Oregon 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 Oregon Compares to Other Months

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

This table compares monthly weather conditions in Oregon, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	41 mm (1.6 inches)	76%	moderate
February Weather	-1°C (30°F)	31 mm (1.2 inches)	77%	moderate
March Weather	7°C (45°F)	92 mm (3.6 inches)	70%	high
April Weather	12°C (53°F)	82 mm (3.2 inches)	73%	very high
May Weather	18°C (65°F)	168 mm (6.6 inches)	82%	very high
June Weather	25°C (77°F)	132 mm (5.2 inches)	82%	extreme
July Weather	26°C (79°F)	119 mm (4.7 inches)	81%	extreme
August Weather	24°C (76°F)	110 mm (4.3 inches)	78%	very high
September Weather	22°C (71°F)	83 mm (3.2 inches)	71%	very high
October Weather	13°C (56°F)	123 mm (4.8 inches)	71%	high
November Weather	6°C (43°F)	40 mm (1.6 inches)	81%	moderate
December Weather	2°C (36°F)	32 mm (1.3 inches)	84%	moderate