Measurements:
°C
°F
Long Beach
68°F
NE 6 mph
Feels like: 68°F
Precip: 10%
World Resorts USA Long Beach Weather

Long Beach Sea Water Temperature

Current Sea Water Temperature:
+64.0°F
Maximum Sea Water Temperature in June: 72.6°F
Minimum Sea Water Temperature in June: 57.0°F
Average water temperature in June: 65.7°F

Sea Water Temperature for the Last 10 Days:

June 24 64.0°F June 19 61.2°F
June 23 63.2°F June 18 61.2°F
June 22 62.6°F June 17 61.8°F
June 21 62.0°F June 16 63.8°F
June 20 62.4°F June 15 65.6°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 September, August and July.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Long Beach was 69.4°F. The maximum and minimum values were 64.4°F and 72.4°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Long Beach was 71.2°F. The maximum and minimum values were 64.4°F and 74.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Long Beach was 65.3°F. The maximum and minimum values were 59.6°F and 70.0°F respectively.

Best Time to Visit Long Beach
The most sunny months:
July 22 days
August 21 days
January 20 days
The most warm months:
August 82.8 °F
September 82.2 °F
July 80.5 °F
Warmest sea temperature:
September 69.6 °F
August 69.0 °F
July 67.8 °F
The most cold months:
December 66.1 °F
January 66.5 °F
February 66.9 °F
The most rainy months:
February 2 days
March 2 days
January 2 days
The most windy months:
May 7 mph
April 7 mph
June 7 mph

Long Beach on the Weather Map

USA Resorts:
NAME
Chicago +68
Hawaii +80
Honolulu +80
Houston +86
Las Vegas +96
Los Angeles +66
Maui +74
Miami +84
Miami Beach +88
Myrtle Beach +80
New York +72
San Diego +68
San Francisco +56
Sarasota +84
Tampa +84
24 Hours Weather Forecast
Long Beach
Local time: 20:14
24 jun, wednesday
2100 68°F
NE
6 mph
25 jun, thursday
0000 64°F
E
4 mph
0300 64°F
NE
4 mph
0600 66°F
NE
4 mph
0900 68°F
N
6 mph
1200 72°F
NE
9 mph
1500 74°F
NE
11 mph
1800 72°F
E
10 mph