July Weather in Rancho San Diego, United States

Last updated: June 24, 2025

In July, the average temperature in Rancho San Diego, United States is a pleasant 22°C (72°F). Expect a range where the minimum dips to 15°C (60°F) and can soar up to a maximum of 38°C (100°F). During this time, you can anticipate a light precipitation of about 3 mm (0.1 in) over just 1 day, and enjoy an average humidity level of 46%. Perfect for outdoor activities!

July Temperature in Rancho San Diego

In July in Rancho San Diego, the average temperature is 22°C (72°F). Maximums can reach 38°C (100°F), while minimums may drop to as low as 15°C (60°F). This pleasant climate makes Rancho San Diego an ideal destination for travelers seeking warm weather activities.

July Weather in Rancho San Diego: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Rancho San Diego, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rancho San Diego, July typically has an average temperature of 22°C (72°F), with highs reaching up to 38°C (100°F) and lows dropping to around 15°C (60°F).

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

July Precipitation in Rancho San Diego

In Rancho San Diego in July, the precipitation amount is 3 mm (0.1 in) over the course of 1 day.

July Precipitation Trends in Rancho San Diego

The chart displays monthly precipitation patterns in Rancho San Diego, 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 Rancho San Diego, July typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 1 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 Rancho San Diego

In Rancho San Diego in July humidity is 46%. With an average temperature of 22°C (72°F), this humidity feels like a comfortable and pleasant atmosphere for traveling, allowing you to explore and enjoy the sights without feeling too sticky or overwhelmed by heat.

July Average Humidity in Rancho San Diego

This chart illustrates the average monthly humidity levels in Rancho San Diego, 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 Rancho San Diego is approximately 46%, 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 Rancho San Diego

In Rancho San Diego 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 Rancho San Diego.

Maximum UV Index Levels in Rancho San Diego for July

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

Data source: Rancho San Diego 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 Rancho San Diego Compares to Other Months

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

This table compares monthly weather conditions in Rancho San Diego, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	56 mm (2.2 inches)	72%	moderate
February Weather	13°C (56°F)	68 mm (2.7 inches)	77%	high
March Weather	14°C (57°F)	51 mm (2.0 inches)	67%	very high
April Weather	16°C (61°F)	24 mm (0.9 inches)	56%	very high
May Weather	17°C (63°F)	21 mm (0.8 inches)	46%	extreme
June Weather	19°C (67°F)	2 mm (0.1 inches)	48%	extreme
July Weather	22°C (72°F)	3 mm (0.1 inches)	46%	extreme
August Weather	23°C (74°F)	1 mm (0.1 inches)	42%	very high
September Weather	22°C (72°F)	4 mm (0.1 inches)	52%	very high
October Weather	20°C (68°F)	14 mm (0.6 inches)	58%	high
November Weather	17°C (62°F)	29 mm (1.1 inches)	66%	moderate
December Weather	14°C (57°F)	65 mm (2.5 inches)	74%	moderate