Measurements:
°C
°F
Irvine
88°F
NE 7 mph
Feels like: 94°F
Precip: 5%
World Resorts USA Irvine Weather

Irvine Sea Water Temperature

Current Sea Water Temperature:
+76.6°F
Maximum Sea Water Temperature in August: 79.0°F
Minimum Sea Water Temperature in August: 65.2°F
Average water temperature in August: 71.7°F

Sea Water Temperature for the Last 10 Days:

August 05 76.6°F July 31 76.0°F
August 04 77.2°F July 30 74.6°F
August 03 75.8°F July 29 76.2°F
August 02 76.4°F July 28 76.4°F
August 01 76.2°F July 27 75.6°F

When is the Warmest Sea for Irvine?

According to our data for the last three years for Irvine the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Irvine was 72.9°F. The maximum and minimum values were 66.4°F and 76.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Irvine was 71.5°F. The maximum and minimum values were 68.2°F and 74.4°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Irvine was 72.6°F. The maximum and minimum values were 68.4°F and 76.4°F respectively.

Best Time to Visit Irvine
The most sunny months:
August 26 days
October 24 days
July 24 days
The most warm months:
August 85.7 °F
July 84.5 °F
September 84.2 °F
Warmest sea temperature:
August 71.7 °F
September 70.9 °F
July 70.4 °F
The most cold months:
January 66.5 °F
December 66.8 °F
March 67.4 °F
The most rainy months:
December 2 days
January 1 day
April 1 day
The most windy months:
May 6 mph
March 6 mph
April 6 mph

Irvine on the Weather Map

USA Resorts:
NAME
Boston +94
Chicago +82
Hawaii +82
Houston +102
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
24 Hours Weather Forecast
Irvine
Local time: 11:21
05 aug, wednesday
1200 88°F
NE
7 mph
1500 90°F
E
11 mph
1800 80°F
NE
9 mph
2100 72°F
NE
5 mph
06 aug, thursday
0000 74°F
NE
3 mph
0300 72°F
E
2 mph
0600 72°F
E
2 mph
0900 78°F
E
3 mph