Measurements:
°C
°F
Irvine
68°F
N 4 mph
Feels like: 68°F
Precip: 8%
World Resorts USA Irvine Weather

Irvine Sea Water Temperature

Current Sea Water Temperature:
+77.2°F
Maximum Sea Water Temperature in September: 80.2°F
Minimum Sea Water Temperature in September: 64.8°F
Average water temperature in September: 71.3°F

Sea Water Temperature for the Last 10 Days:

September 15 77.2°F September 10 74.8°F
September 14 78.0°F September 09 74.8°F
September 13 76.2°F September 08 74.8°F
September 12 75.6°F September 07 76.6°F
September 11 74.4°F September 06 76.0°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Irvine was 76.2°F. The maximum and minimum values were 73.0°F and 79.6°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Irvine was 76.7°F. The maximum and minimum values were 74.4°F and 80.2°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 25 days
October 24 days
July 24 days
The most warm months:
August 86.8 °F
July 84.5 °F
September 84.2 °F
Warmest sea temperature:
August 72.3 °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 +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +70
Sarasota +86
Washington +66
24 Hours Weather Forecast
Irvine
Local time: 07:29
15 sep, tuesday
0900 74°F
N
4 mph
1200 82°F
NE
7 mph
1500 82°F
NE
9 mph
1800 78°F
NE
9 mph
2100 72°F
N
6 mph
16 sep, wednesday
0000 70°F
N
4 mph
0300 68°F
N
2 mph
0600 68°F
NE
2 mph