August Weather in Irvine, United States

Last updated: June 24, 2025

In Irvine, United States, the average temperature in August hovers around 23°C (74°F), making it a comfortable time to explore. Expect minimums dipping to 15°C (60°F) and maximums soaring up to 36°C (97°F). With a meager 2 mm (0.1 in) of precipitation over just 0 days, the weather is generally dry, complemented by an average humidity of 69%. Perfect conditions await for your adventures!

August Temperature in Irvine

In August in Irvine, the average temperature is 23°C (74°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as 15°C (60°F). This makes it an ideal time for travelers who enjoy warm weather but should be prepared for varying temperatures.

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

The chart illustrates August 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, August typically has an average temperature of 23°C (74°F), with highs reaching up to 36°C (97°F) and lows dropping to around 15°C (60°F).

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

August Precipitation in Irvine

In Irvine in August, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

August Precipitation Trends in Irvine

The chart displays monthly precipitation patterns in Irvine, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Irvine, August typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Irvine

In Irvine in August humidity is 69%. With an average temperature of 23°C (74°F), this humidity feels like a warm embrace, making outdoor adventures enjoyable yet slightly sticky, perfect for leisurely strolls or exploring local attractions while staying hydrated.

August Average Humidity in Irvine

This chart illustrates the average monthly humidity levels in Irvine, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Irvine is approximately 69%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Irvine

In Irvine in August, 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 Irvine.

Maximum UV Index Levels in Irvine for August

The chart shows the monthly maximum UV Index (UVI) for Irvine in August, 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 August, the maximum UV index in Irvine typically reaches 10, which falls under the very high exposure category.

Data source: Irvine August 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 August 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 August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	71 mm (2.8 inches)	74%	moderate
February Weather	13°C (56°F)	60 mm (2.3 inches)	79%	high
March Weather	14°C (58°F)	68 mm (2.7 inches)	75%	very high
April Weather	17°C (62°F)	27 mm (1.1 inches)	70%	very high
May Weather	17°C (64°F)	13 mm (0.5 inches)	70%	extreme
June Weather	20°C (68°F)	1 mm (0.0 inches)	72%	extreme
July Weather	23°C (73°F)	2 mm (0.1 inches)	73%	extreme
August Weather	23°C (74°F)	2 mm (0.1 inches)	69%	very high
September Weather	22°C (72°F)	3 mm (0.1 inches)	68%	very high
October Weather	20°C (69°F)	10 mm (0.4 inches)	67%	high
November Weather	17°C (62°F)	25 mm (1.0 inches)	68%	moderate
December Weather	13°C (56°F)	74 mm (2.9 inches)	71%	moderate