Measurements:
°C
°F
Long Beach
50°F
S 12 mph
Feels like: 46°F
Precip: 80%
World Resorts USA Long Beach Weather

Long Beach Sea Water Temperature

Current Sea Water Temperature:
+67.0°F
Maximum Sea Water Temperature in December: 71.2°F
Minimum Sea Water Temperature in December: 51.0°F
Average water temperature in December: 61.4°F

Sea Water Temperature for the Last 10 Days:

December 04 67.0°F November 29 67.6°F
December 03 67.2°F November 28 70.0°F
December 02 67.0°F November 27 73.0°F
December 01 67.0°F November 26 73.6°F
November 30 67.0°F November 25 73.8°F

When is the Warmest Sea for Long Beach?

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

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 Long Beach was 90.7°F. The maximum and minimum values were 88.6°F and 92.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Long Beach was 91.3°F. The maximum and minimum values were 90.0°F and 92.8°F respectively.

Sea Water Temperature in June

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Long Beach was 89.1°F. The maximum and minimum values were 86.0°F and 91.8°F respectively.

Best Time to Visit Long Beach
The most sunny months:
October 20 days
November 14 days
September 14 days
The most warm months:
August 92.1 °F
July 91.8 °F
June 90.4 °F
Warmest sea temperature:
August 90.9 °F
July 90.3 °F
June 87.6 °F
The most cold months:
January 57.7 °F
February 62.1 °F
December 62.6 °F
The most rainy months:
August 5 days
July 5 days
September 4 days
The most windy months:
January 9 mph
February 8 mph
March 8 mph

Long Beach on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +44
Los Angeles +56
Maui +72
Miami +72
Miami Beach +80
New York +20
San Diego +58
San Francisco +48
Sarasota +64
Tampa +64
Washington +28
24 Hours Weather Forecast
Long Beach
Local time: 23:58
05 dec, friday
0000 50°F
S
12 mph
0300 48°F
S
11 mph
0600 48°F
S
8 mph
0900 48°F
S
8 mph
1200 52°F
S
9 mph
1500 56°F
SE
4 mph
1800 54°F
SW
7 mph
2100 52°F
S
5 mph