July Weather in Mission Viejo, United States

Last updated: June 24, 2025

In Mission Viejo, United States, the average temperature in July hovers around 21°C (70°F). With minimums dipping to 17°C (62°F) and maximums soaring to 33°C (91°F), the weather offers a pleasant range. Expect minimal precipitation of only 3 mm (0.1 in) over the course of 0 days, while average humidity sits comfortably at 73%.

July Temperature in Mission Viejo

In July in Mission Viejo, the average temperature is 21°C (70°F). The maximum can reach 33°C (91°F), and the minimum can be as low as 17°C (62°F). This pleasant climate makes Mission Viejo an ideal destination for travelers seeking comfortable weather and outdoor activities.

July Weather in Mission Viejo: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Mission Viejo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mission Viejo, July typically has an average temperature of 21°C (70°F), with highs reaching up to 33°C (91°F) and lows dropping to around 17°C (62°F).

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

July Precipitation in Mission Viejo

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

July Precipitation Trends in Mission Viejo

The chart displays monthly precipitation patterns in Mission Viejo, 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 Mission Viejo, 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.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Mission Viejo

In Mission Viejo in July, humidity is 73%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace that can make outdoor activities feel sweltering, so it's essential to stay hydrated and take breaks in the shade while exploring.

July Average Humidity in Mission Viejo

This chart illustrates the average monthly humidity levels in Mission Viejo, 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 Mission Viejo is approximately 73%, 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 Mission Viejo

In Mission Viejo 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 Mission Viejo.

Maximum UV Index Levels in Mission Viejo for July

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

Data source: Mission Viejo 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 Mission Viejo Compares to Other Months

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

This table compares monthly weather conditions in Mission Viejo, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (58°F)	60 mm (2.3 inches)	74%	moderate
February Weather	14°C (57°F)	55 mm (2.2 inches)	79%	high
March Weather	14°C (58°F)	54 mm (2.1 inches)	75%	very high
April Weather	16°C (61°F)	25 mm (1.0 inches)	70%	very high
May Weather	16°C (62°F)	14 mm (0.5 inches)	70%	extreme
June Weather	18°C (65°F)	3 mm (0.1 inches)	72%	extreme
July Weather	21°C (70°F)	3 mm (0.1 inches)	73%	extreme
August Weather	22°C (71°F)	3 mm (0.1 inches)	69%	very high
September Weather	21°C (70°F)	3 mm (0.1 inches)	68%	very high
October Weather	20°C (68°F)	9 mm (0.4 inches)	67%	high
November Weather	17°C (63°F)	22 mm (0.8 inches)	68%	moderate
December Weather	14°C (58°F)	69 mm (2.7 inches)	71%	moderate