July Weather in Umatilla, United States

Last updated: June 24, 2025

In July, the average temperature in Umatilla, United States hovers around 27°C (82°F), providing a warm climate for outdoor enthusiasts. Expect a minimum of 22°C (72°F) and a high of 36°C (97°F), making it essential to stay hydrated. However, prepare for 221 mm (8.7 in) of precipitation spread over 26 days, contributing to an average humidity of 79%. Stay cool and enjoy the vibrant atmosphere!

July Temperature in Umatilla

In July in Umatilla, the average temperature is 27°C (82°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as 22°C (72°F). This makes Umatilla an ideal destination for travelers seeking warm and pleasant weather during this time of year.

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

The chart illustrates July temperature patterns in Umatilla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Umatilla, July typically has an average temperature of 27°C (82°F), with highs reaching up to 36°C (97°F) and lows dropping to around 22°C (72°F).

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

July Precipitation in Umatilla

In Umatilla in July, the total precipitation amount is 221 mm (8.7 in) spread over 26 days.

July Precipitation Trends in Umatilla

The chart displays monthly precipitation patterns in Umatilla, 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 Umatilla, July typically receives around 221 mm (8.7 inches) of precipitation spread over approximately 26 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 Umatilla

In Umatilla in July humidity is 79%. With an average temperature of 27°C (82°F), this humidity feels like traveling through a warm, thick blanket, making every step feel heavier and more exhausting, while the air clings to your skin, reminding you to stay hydrated and take frequent breaks in the shade.

July Average Humidity in Umatilla

This chart illustrates the average monthly humidity levels in Umatilla, 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 Umatilla is approximately 79%, 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 Umatilla

In Umatilla 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 Umatilla.

Maximum UV Index Levels in Umatilla for July

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

Data source: Umatilla 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 Umatilla Compares to Other Months

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

This table compares monthly weather conditions in Umatilla, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (59°F)	47 mm (1.9 inches)	83%	moderate
February Weather	18°C (65°F)	57 mm (2.2 inches)	80%	very high
March Weather	19°C (67°F)	25 mm (1.0 inches)	75%	very high
April Weather	22°C (72°F)	80 mm (3.2 inches)	70%	extreme
May Weather	25°C (77°F)	97 mm (3.8 inches)	68%	extreme
June Weather	27°C (81°F)	190 mm (7.5 inches)	75%	extreme
July Weather	27°C (82°F)	221 mm (8.7 inches)	79%	extreme
August Weather	28°C (82°F)	203 mm (8.0 inches)	81%	extreme
September Weather	27°C (81°F)	153 mm (6.0 inches)	83%	extreme
October Weather	25°C (77°F)	80 mm (3.1 inches)	81%	very high
November Weather	19°C (67°F)	58 mm (2.3 inches)	82%	high
December Weather	17°C (62°F)	71 mm (2.8 inches)	84%	moderate