July Weather in La Grande, United States

Last updated: June 24, 2025

In La Grande, United States during July, the average temperature hovers around 20°C (68°F). Expect a minimum of 3°C (37°F) and a maximum of 36°C (97°F), providing a varied climate experience. Precipitation is minimal, with only 3 mm (0.1 in) falling over 0 days, while the average humidity remains comfortably high at 76%.

July Temperature in La Grande

In July in La Grande, the average temperature is 20°C (68°F). The maximum can reach 36°C (97°F) and the minimum can be as low as 3°C (37°F). Dress in layers to accommodate the temperature fluctuations when traveling in this region during July.

July Weather in La Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in La Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Grande, July typically has an average temperature of 20°C (68°F), with highs reaching up to 36°C (97°F) and lows dropping to around 3°C (37°F).

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

July Precipitation in La Grande

In La Grande in July, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

July Precipitation Trends in La Grande

The chart displays monthly precipitation patterns in La Grande, 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 La Grande, July typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 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 La Grande

In La Grande in July, humidity is 76%. With an average temperature of 20°C (68°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration both exhilarating and slightly stifling, ideal for leisurely strolls but necessitating frequent breaks to hydrate and cool off.

July Average Humidity in La Grande

This chart illustrates the average monthly humidity levels in La Grande, 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 La Grande is approximately 76%, 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 La Grande

In La Grande 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 La Grande.

Maximum UV Index Levels in La Grande for July

The chart shows the monthly maximum UV Index (UVI) for La Grande 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 La Grande typically reaches 10, which falls under the very high exposure category.

Data source: La Grande 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 La Grande Compares to Other Months

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

This table compares monthly weather conditions in La Grande, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (28°F)	86 mm (3.4 inches)	86%	moderate
February Weather	-3°C (28°F)	130 mm (5.1 inches)	86%	moderate
March Weather	2°C (36°F)	89 mm (3.5 inches)	85%	high
April Weather	5°C (42°F)	86 mm (3.4 inches)	83%	very high
May Weather	10°C (50°F)	77 mm (3.0 inches)	77%	very high
June Weather	14°C (58°F)	44 mm (1.7 inches)	81%	very high
July Weather	20°C (68°F)	3 mm (0.1 inches)	76%	very high
August Weather	19°C (67°F)	16 mm (0.6 inches)	60%	very high
September Weather	14°C (57°F)	35 mm (1.4 inches)	58%	very high
October Weather	6°C (44°F)	64 mm (2.5 inches)	75%	moderate
November Weather	2°C (35°F)	79 mm (3.1 inches)	85%	moderate
December Weather	-2°C (29°F)	96 mm (3.8 inches)	87%	low