Measurements:
°C
°F
Long Beach
58°F
S 5 mph
Feels like: 58°F
Precip: 0%
World Resorts USA Long Beach Weather

Long Beach Sea Water Temperature

Current Sea Water Temperature:
+62.2°F
Maximum Sea Water Temperature in January: 63.6°F
Minimum Sea Water Temperature in January: 55.6°F
Average water temperature in January: 60.0°F

Sea Water Temperature for the Last 10 Days:

January 29 62.2°F January 24 63.0°F
January 28 62.0°F January 23 63.0°F
January 27 62.4°F January 22 63.0°F
January 26 62.2°F January 21 63.0°F
January 25 62.8°F January 20 63.0°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 66.4 °F
February 66.6 °F
The most rainy months:
February 2 days
March 2 days
January 2 days
The most windy months:
May 7 mph
April 7 mph
March 7 mph

Long Beach on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +74
Honolulu +74
Houston +38
Las Vegas +48
Los Angeles +56
Maui +68
Miami +64
Miami Beach +70
New York +12
San Diego +60
San Francisco +50
Sarasota +58
Tampa +58
Washington +12
24 Hours Weather Forecast
Long Beach
Local time: 07:53
29 jan, thursday
0900 58°F
S
5 mph
1200 82°F
S
2 mph
1500 86°F
E
5 mph
1800 80°F
E
9 mph
2100 72°F
SE
4 mph
30 jan, friday
0000 66°F
S
5 mph
0300 62°F
S
6 mph
0600 58°F
SW
5 mph