Current sea water temperature:
+65.3°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: | 60.3°F |
| more information | |
14 days
forecast
forecast
| Long Beach |
monthly
weather
weather
| Long Beach |
Sea water temperature for the last 10 days:
| December 4 | 65.3°F | November 29 | 65.8°F |
| December 3 | 65.5°F | November 28 | 68.0°F |
| December 2 | 65.3°F | November 27 | 70.7°F |
| December 1 | 65.3°F | November 26 | 71.2°F |
| November 30 | 65.3°F | November 25 | 71.4°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: 21:29
December 05, friday
0000

50°F
S
12 mph
12 mph
0300

48°F
S
11 mph
11 mph
0600

48°F
S
8 mph
8 mph
0900

48°F
S
8 mph
8 mph
1200

52°F
S
9 mph
9 mph
1500

55°F
SE
4 mph
4 mph
1800

54°F
SW
7 mph
7 mph
2100

52°F
S
5 mph
5 mph


























