July Weather in Walnut, United States

Last updated: June 24, 2025

In July, the average temperature in Walnut, United States hovers around 25°C (77°F), providing a pleasant climate. However, temperatures can range from a cool 12°C (54°F) to a warm 35°C (96°F). Visitors can expect about 68 mm (2.7 in) of precipitation spread over 8 days, with an average humidity level of 83%, adding to the area's lush ambiance.

July Temperature in Walnut

In July in Walnut, the average temperature is 25°C (77°F). Maximums can reach 35°C (96°F), and minimums can be as low as 12°C (54°F). It's an ideal time for travelers seeking pleasant weather, with warm days and cooler evenings.

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 25°C (77°F), with highs reaching up to 35°C (96°F) and lows dropping to around 12°C (54°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 68 mm (2.7 in) spread over 8 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 68 mm (2.7 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 Walnut

In Walnut in July humidity is 83%. With an average temperature of 25°C (77°F), this humidity feels like a warm, enveloping blanket, making it essential for travelers to stay hydrated and seek shade to enjoy their adventures comfortably.

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 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 Walnut

In Walnut 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 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 10, which falls under the very high 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	-5°C (24°F)	30 mm (1.2 inches)	76%	moderate
February Weather	-4°C (24°F)	36 mm (1.4 inches)	80%	moderate
March Weather	4°C (40°F)	86 mm (3.4 inches)	73%	high
April Weather	9°C (49°F)	57 mm (2.3 inches)	74%	very high
May Weather	17°C (62°F)	157 mm (6.2 inches)	78%	very high
June Weather	24°C (75°F)	109 mm (4.3 inches)	82%	extreme
July Weather	25°C (77°F)	68 mm (2.7 inches)	83%	very high
August Weather	23°C (74°F)	108 mm (4.3 inches)	80%	very high
September Weather	20°C (69°F)	98 mm (3.8 inches)	75%	very high
October Weather	11°C (52°F)	128 mm (5.0 inches)	75%	high
November Weather	4°C (39°F)	34 mm (1.3 inches)	82%	moderate
December Weather	-1°C (31°F)	36 mm (1.4 inches)	83%	moderate