Current sea water temperature:
+62.4°F
| Minimum sea water temperature in January: | 62.6°F |
| Maximum sea water temperature in January: | 57.2°F |
| Average sea water temperature in January: | 59.2°F |
| more information | |
14 days
forecast
forecast
| Santa Catalina Island |
monthly
weather
weather
| Santa Catalina Island |
Sea water temperature for the last 10 days:
| January 2 | 62.4°F | December 28 | 62.6°F |
| January 1 | 62.4°F | December 27 | 62.6°F |
| December 31 | 62.6°F | December 26 | 63.0°F |
| December 30 | 62.8°F | December 25 | 62.2°F |
| December 29 | 63.0°F | December 24 | 61.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Santa Catalina Island?
Based on the data about daily sea water temperature for the last three years the warmest sea in Santa Catalina Island was noticed in August, September and July.
Monthly Sea Temperatures in Santa Catalina Island, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 69.7°F. The highest and lowest sea temperatures during the month were 71.8°F and 68.2°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 70.6°F. The highest and lowest sea temperatures during the month were 72.0°F and 69.1°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 68.0°F. The highest and lowest sea temperatures during the month were 69.1°F and 65.3°F.
current
weather
weather
| Santa Catalina Island |
weather in
January
January
| Santa Catalina Island |
Best time for vacation in Santa Catalina Island
Santa Catalina Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Santa Catalina Island
Local time: 01:00
January 02, friday
0300
54°F
SW
5 mph
5 mph
0600
54°F
W
7 mph
7 mph
0900
54°F
W
8 mph
8 mph
1200
55°F
W
9 mph
9 mph
1500
59°F
W
7 mph
7 mph
1800
61°F
NW
8 mph
8 mph
2100
63°F
NW
9 mph
9 mph
January 03, saturday
0000
64°F
NW
9 mph
9 mph
