Current sea water temperature:
+63.0°F
| Minimum sea water temperature in December: | 65.8°F |
| Maximum sea water temperature in December: | 56.8°F |
| Average sea water temperature in December: | 60.7°F |
| more information | |
14 days
forecast
forecast
| Long Beach |
monthly
weather
weather
| Long Beach |
Sea water temperature for the last 10 days:
| December 28 | 63.0°F | December 23 | 63.1°F |
| December 27 | 63.0°F | December 22 | 63.3°F |
| December 26 | 62.8°F | December 21 | 63.7°F |
| December 25 | 62.8°F | December 20 | 63.5°F |
| December 24 | 63.3°F | December 19 | 63.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Long Beach?
Based on the data about daily sea water temperature for the last three years the warmest sea in Long Beach was noticed in September, August and July.
Monthly Sea Temperatures in Long Beach, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 67.5°F. The highest and lowest sea temperatures during the month were 70.2°F and 63.0°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 69.1°F. The highest and lowest sea temperatures during the month were 72.1°F and 63.0°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 63.8°F. The highest and lowest sea temperatures during the month were 68.0°F and 58.6°F.
current
weather
weather
| Long Beach |
weather in
January
January
| Long Beach |
Best time for vacation in Long Beach
Long Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Long Beach
Local time: 22:41
December 29, monday
0000
48°F
SW
7 mph
7 mph
0300
45°F
SW
8 mph
8 mph
0600
46°F
SW
7 mph
7 mph
0900
48°F
S
7 mph
7 mph
1200
59°F
SW
8 mph
8 mph
1500
64°F
SW
6 mph
6 mph
1800
61°F
SW
7 mph
7 mph
2100
54°F
SW
10 mph
10 mph
