Measurements:
°C
°F
Irvine
54°F
NW 6 mph
Feels like: 54°F
Precip: 0%
World Resorts USA Irvine Weather

Irvine Sea Water Temperature

Current Sea Water Temperature:
+66.0°F
Maximum Sea Water Temperature in April: 66.6°F
Minimum Sea Water Temperature in April: 54.4°F
Average water temperature in April: 60.6°F

Sea Water Temperature for the Last 10 Days:

April 03 66.0°F March 29 66.4°F
April 02 66.0°F March 28 67.4°F
April 01 66.6°F March 27 67.8°F
March 31 66.0°F March 26 66.6°F
March 30 65.6°F March 25 67.2°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: 2025 2024 2023

The average sea surface temperature in July 2025 for Irvine was 69.1°F. The maximum and minimum values were 66.0°F and 72.2°F respectively.

Best Time to Visit Irvine
The most sunny months:
August 26 days
July 25 days
October 24 days
The most warm months:
August 85.7 °F
September 84.2 °F
July 83.7 °F
Warmest sea temperature:
August 71.7 °F
September 70.9 °F
July 70.0 °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
Chicago +46
Hawaii +74
Honolulu +74
Houston +74
Las Vegas +54
Los Angeles +56
Maui +66
Miami +74
Miami Beach +78
New York +40
San Diego +58
San Francisco +50
Sarasota +72
Tampa +72
Washington +48
24 Hours Weather Forecast
Irvine
Local time: 04:00
03 apr, friday
0600 52°F
NW
4 mph
0900 68°F
SW
6 mph
1200 90°F
SW
8 mph
1500 88°F
SW
6 mph
1800 82°F
S
6 mph
2100 72°F
S
6 mph
04 apr, saturday
0000 64°F
W
6 mph
0300 58°F
NW
3 mph