July Weather in Irvine, United States

Last updated: June 24, 2025

In Irvine, United States, the average temperature in July reaches a pleasant 25°C (78°F). Expect a range from a cool 14°C (58°F) to a warm 36°C (97°F). Rain may grace your visit, with an average precipitation of 100 mm (4.0 in) over about 12 days. Additionally, you'll experience an average humidity of 79%, so be prepared for a balmy atmosphere!

July Temperature in Irvine

In July in Irvine, the average temperature is 25°C (78°F). Maximum temperatures can reach 36°C (97°F), while the minimum can drop to as low as 14°C (58°F). This makes it an ideal time for travelers to enjoy warm days and cooler nights, perfect for outdoor adventures.

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

The chart illustrates July temperature patterns in Irvine, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Irvine, July typically has an average temperature of 25°C (78°F), with highs reaching up to 36°C (97°F) and lows dropping to around 14°C (58°F).

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

July Precipitation in Irvine

In Irvine in July, the precipitation amount is 100 mm (4.0 in) spread over a period of 12 days.

July Precipitation Trends in Irvine

The chart displays monthly precipitation patterns in Irvine, 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 Irvine, July typically receives around 100 mm (4.0 inches) of precipitation spread over approximately 12 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 Irvine

In Irvine in July humidity is 79%. With an average temperature of 25°C (78°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities less inviting and requiring frequent breaks to stay refreshed.

July Average Humidity in Irvine

This chart illustrates the average monthly humidity levels in Irvine, 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 Irvine is approximately 79%, 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 Irvine

In Irvine 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 Irvine.

Maximum UV Index Levels in Irvine for July

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

Data source: Irvine 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 Irvine Compares to Other Months

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

This table compares monthly weather conditions in Irvine, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (37°F)	94 mm (3.7 inches)	88%	moderate
February Weather	5°C (42°F)	153 mm (6.0 inches)	88%	high
March Weather	9°C (49°F)	125 mm (4.9 inches)	87%	high
April Weather	13°C (57°F)	134 mm (5.3 inches)	84%	very high
May Weather	19°C (67°F)	123 mm (4.9 inches)	84%	very high
June Weather	23°C (73°F)	171 mm (6.7 inches)	83%	extreme
July Weather	25°C (78°F)	100 mm (4.0 inches)	79%	extreme
August Weather	24°C (76°F)	115 mm (4.5 inches)	66%	very high
September Weather	22°C (71°F)	111 mm (4.4 inches)	67%	very high
October Weather	16°C (61°F)	113 mm (4.4 inches)	76%	high
November Weather	8°C (46°F)	80 mm (3.2 inches)	89%	moderate
December Weather	5°C (42°F)	127 mm (5.0 inches)	88%	moderate