Measurements:
°C
°F
Irvine
66°F
SE 9 mph
Feels like: 66°F
Precip: 0%
World Resorts USA Irvine Weather

Irvine Sea Water Temperature

Current Sea Water Temperature:
+63.4°F
Maximum Sea Water Temperature in January: 63.6°F
Minimum Sea Water Temperature in January: 57.6°F
Average water temperature in January: 60.0°F

Sea Water Temperature for the Last 10 Days:

January 08 63.4°F January 03 63.6°F
January 07 63.2°F January 02 63.6°F
January 06 63.4°F January 01 63.6°F
January 05 63.6°F December 31 64.0°F
January 04 63.6°F December 30 64.0°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: 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:
March 65.0 °F
January 65.5 °F
February 66.4 °F
The most rainy months:
January 2 days
December 2 days
February 1 day
The most windy months:
May 6 mph
March 6 mph
April 6 mph

Irvine on the Weather Map

USA Resorts:
NAME
Chicago +54
Hawaii +78
Honolulu +78
Houston +78
Las Vegas +54
Los Angeles +58
Maui +72
Miami +86
Miami Beach +80
New York +52
San Diego +64
San Francisco +52
Sarasota +82
Tampa +88
Washington +60
24 Hours Weather Forecast
Irvine
Local time: 12:30
08 jan, thursday
1500 64°F
SE
4 mph
1800 54°F
W
2 mph
2100 48°F
SW
4 mph
09 jan, friday
0000 44°F
SW
9 mph
0300 40°F
SW
9 mph
0600 38°F
SW
8 mph
0900 48°F
SW
9 mph
1200 58°F
SW
8 mph