July Weather in Walla Walla, Australia

Last updated: August 22, 2025

In July, the average temperature in Walla Walla, Australia hovers around 8°C (46°F). While you may experience chilly lows of -4°C (25°F), the days can warm up to a pleasant 19°C (66°F). Be prepared for some rain, as the area sees about 62 mm (2.5 in) of precipitation over 11 days. With an average humidity of 83%, it's the perfect time to embrace the cozy atmosphere while exploring!

July Temperature in Walla Walla

In July in Walla Walla, the average temperature is 8°C (46°F), with maximums reaching 19°C (66°F) and minimums plummeting to as low as -4°C (25°F). Travelers should be prepared for a wide range of weather conditions during this time.

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

The chart illustrates July temperature patterns in Walla Walla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Walla Walla, July typically has an average temperature of 8°C (46°F), with highs reaching up to 19°C (66°F) and lows dropping to around -4°C (25°F).

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

July Precipitation in Walla Walla

In Walla Walla in July, the precipitation amount is 62 mm (2.5 in), occurring over a span of 11 days.

July Precipitation Trends in Walla Walla

The chart displays monthly precipitation patterns in Walla Walla, 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 Walla Walla, July typically receives around 62 mm (2.5 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Walla Walla

In Walla Walla in July, humidity is 83%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that seeps into your bones, making even short outings feel quite uncomfortable and prompting travelers to bundle up and seek shelter more frequently.

July Average Humidity in Walla Walla

This chart illustrates the average monthly humidity levels in Walla Walla, 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 Walla Walla is approximately 83%, 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 Walla Walla

In Walla Walla in July, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Walla Walla, you can check the information here.

Maximum UV Index Levels in Walla Walla for July

The chart shows the monthly maximum UV Index (UVI) for Walla Walla 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 Walla Walla typically reaches 3, which falls under the moderate exposure category.

Data source: Walla Walla 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 Walla Walla Compares to Other Months

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

This table compares monthly weather conditions in Walla Walla, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	36 mm (1.4 inches)	42%	extreme
February Weather	23°C (73°F)	28 mm (1.1 inches)	51%	extreme
March Weather	21°C (69°F)	55 mm (2.2 inches)	59%	extreme
April Weather	16°C (61°F)	44 mm (1.7 inches)	68%	very high
May Weather	11°C (52°F)	53 mm (2.1 inches)	76%	moderate
June Weather	8°C (46°F)	55 mm (2.2 inches)	81%	moderate
July Weather	8°C (46°F)	62 mm (2.5 inches)	83%	moderate
August Weather	8°C (47°F)	62 mm (2.4 inches)	78%	moderate
September Weather	11°C (52°F)	45 mm (1.8 inches)	72%	high
October Weather	15°C (59°F)	63 mm (2.5 inches)	57%	very high
November Weather	18°C (65°F)	82 mm (3.2 inches)	53%	extreme
December Weather	22°C (72°F)	49 mm (1.9 inches)	51%	extreme