July Weather in Walnut, United States

Last updated: June 24, 2025

In July, the average temperature in Walnut, United States is a warm 27°C (81°F). Expect comfortable days, with a minimum temperature of 16°C (61°F) and peaks reaching up to 37°C (98°F). Prepare for some rain, as 131 mm (5.2 in) of precipitation typically falls over 15 days during the month, accompanied by a high average humidity of 80%.

July Temperature in Walnut

In July in Walnut, the average temperature is 27°C (81°F), with maximums reaching 37°C (98°F) and minimums dropping as low as 16°C (61°F). This weather makes Walnut an ideal destination for travelers looking to enjoy warm and pleasant conditions.

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

The chart illustrates July temperature patterns in Walnut, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Walnut, July typically has an average temperature of 27°C (81°F), with highs reaching up to 37°C (98°F) and lows dropping to around 16°C (61°F).

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

July Precipitation in Walnut

In Walnut in July, the precipitation amount is 131 mm (5.2 in) over a span of 15 days.

July Precipitation Trends in Walnut

The chart displays monthly precipitation patterns in Walnut, 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 Walnut, July typically receives around 131 mm (5.2 inches) of precipitation spread over approximately 15 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 Walnut

In Walnut in July humidity is 80%. With an average temperature of 27°C (81°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making travel tiring as sweat beads form quickly and the air feels thick and heavy.

July Average Humidity in Walnut

This chart illustrates the average monthly humidity levels in Walnut, 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 Walnut is approximately 80%, 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 Walnut

In Walnut 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 Walnut.

Maximum UV Index Levels in Walnut for July

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

Data source: Walnut 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 Walnut Compares to Other Months

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

This table compares monthly weather conditions in Walnut, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	107 mm (4.2 inches)	86%	moderate
February Weather	8°C (47°F)	176 mm (6.9 inches)	85%	high
March Weather	13°C (55°F)	157 mm (6.2 inches)	84%	very high
April Weather	16°C (61°F)	148 mm (5.8 inches)	81%	very high
May Weather	22°C (71°F)	109 mm (4.3 inches)	83%	extreme
June Weather	26°C (78°F)	112 mm (4.4 inches)	83%	extreme
July Weather	27°C (81°F)	131 mm (5.2 inches)	80%	extreme
August Weather	26°C (79°F)	116 mm (4.6 inches)	73%	very high
September Weather	24°C (76°F)	122 mm (4.8 inches)	70%	very high
October Weather	18°C (65°F)	113 mm (4.4 inches)	73%	high
November Weather	10°C (50°F)	79 mm (3.1 inches)	85%	moderate
December Weather	8°C (47°F)	147 mm (5.8 inches)	88%	moderate