Current sea water temperature:
+55.8°F
| Minimum sea water temperature in December: | 69.1°F |
| Maximum sea water temperature in December: | 50.9°F |
| Average sea water temperature in December: | 60.2°F |
| more information | |
14 days
forecast
forecast
| Long Beach |
monthly
weather
weather
| Long Beach |
Sea water temperature for the last 10 days:
| December 20 | 55.8°F | December 15 | 59.7°F |
| December 19 | 55.9°F | December 14 | 57.9°F |
| December 18 | 55.0°F | December 13 | 55.2°F |
| December 17 | 54.5°F | December 12 | 56.7°F |
| December 16 | 55.9°F | December 11 | 59.9°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 August, July and June.
Monthly Sea Temperatures in Long Beach, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 86.6°F. The highest and lowest sea temperatures during the month were 88.2°F and 84.7°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 87.2°F. The highest and lowest sea temperatures during the month were 88.5°F and 86.0°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 85.2°F. The highest and lowest sea temperatures during the month were 87.6°F and 82.4°F.
current
weather
weather
| Long Beach |
weather in
December
December
| 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: 18:19
December 20, saturday
2100
64°F
N
6 mph
6 mph
December 21, sunday
0000
63°F
N
7 mph
7 mph
0300
63°F
N
6 mph
6 mph
0600
61°F
NW
2 mph
2 mph
0900
63°F
W
4 mph
4 mph
1200
66°F
W
6 mph
6 mph
1500
66°F
W
6 mph
6 mph
1800
64°F
W
8 mph
8 mph
