Irvine, California, United States climate

Average temperatures, precipitation and all-time records for Irvine, California, United States, with every day graded against ~45 years of local climate history (1981–2026). Its warmest month is August, averaging a high of 74°F, and its coldest is February, with an average low of 54°F.

Irvine is a planned city in central Orange County, California, United States, in the Los Angeles metropolitan area. It was named in 1888 for the landowner James Irvine. The Irvine Company started developing the area in the 1960s. The city was formally incorporated on December 28, 1971. via Wikipedia

How today compares

Latest recorded day: 2026-07-21. Each reading placed on Irvine, California, United States's own ±7-day seasonal distribution.

High 85°F Near Record · 99th pct

Low 69°F Very High · 92nd pct

Feels-like 89°F Near Record · 99th pct

Humidity 15.7 g/m³ Very High · 96th pct

Wind 10 mph Normal · 51st pct

Precip 0.00 in Dry

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Irvine average temperatures by month

Typical daily high and low, and average precipitation, for each month in Irvine, California, United States, based on 1981–2026 records. The wettest month is January (0.10 in on an average day).

Month	Avg high	Avg low	Avg precip
January	63°F	55°F	0.10 in
February	63°F	54°F	0.10 in
March	63°F	55°F	0.10 in
April	64°F	56°F	0.00 in
May	66°F	58°F	0.00 in
June	68°F	61°F	0.00 in
July	73°F	65°F	0.00 in
August	74°F	66°F	0.00 in
September	73°F	66°F	0.00 in
October	72°F	63°F	0.00 in
November	68°F	59°F	0.00 in
December	63°F	55°F	0.10 in

Jan 50°–70°

Feb 50°–70°

Mar 51°–70°

Apr 53°–71°

May 55°–71°

Jun 58°–73°

Jul 62°–77°

Aug 63°–79°

Sep 62°–79°

Oct 60°–80°

Nov 55°–75°

Dec 51°–70°

Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -10°F to 115°F scale, so the whole year's rhythm reads at a glance.

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Record extremes

Hottest day on record: 96°F on 1988-09-04
Coldest day on record: 41°F on 1990-12-22

All Irvine weather records →

Percentiles compare each day to Irvine, California, United States's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →