Santa Catalina Island Weather: August
 |
Average Day Temperature: | 77.9°F |
|
Average Night Temperature: | 70.9°F |
|
Sea Water Temperature: | 72.7°F |
|
Number of Sunny Days: | 24 days |
| Sunshine Hours: | 12.9 - 13.8 hours | |
|
Number of Rainy Days: | 0 days |
| Precipitation Totals: | 0.1 in | |
| detailed information | ||
forecast
| Santa Catalina Island |
Temperature
| Santa Catalina Island |
Air Temperature in August, °F
The highest day temperature in August 2025 was 76°F. The lowest night temperature was 63°F. The average values for day and night temperatures during August were 70.4°F и 68.9°F respectivly.
Santa Catalina Island Water Sea Temperature in August, °F
The average sea surface temperature in August 2025 for Santa Catalina Island was 71.9°F. The maximum and minimum values were 70.2°F and 74.2°F respectively.
Most of the days in August are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in August, in
Precipitation total in August for Santa Catalina Island is 0.1 in.
The average wind speed in August is 6.5 mph. This value is relatively stable throughout the year.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Santa Catalina Island in August is 10.7 hours.
Santa Catalina Island on the Weather Map
| Chicago |  |
-2 |
| Hawaii | |
+78 |
| Honolulu | |
+78 |
| Houston | |
+44 |
| Las Vegas |  |
+40 |
| Los Angeles | |
+52 |
| Maui | |
+72 |
| Miami | |
+72 |
| Miami Beach |  |
+80 |
| New York | |
+18 |
| San Diego | |
+54 |
| San Francisco | |
+46 |
| Sarasota | |
+62 |
| Tampa | |
+62 |
| Washington | |
+28 |
| 0300 |  |
52°F | SE 12 mph |
| 0600 | |
60°F | SE 9 mph |
| 0900 |  |
60°F | E 6 mph |
| 1200 | |
64°F | E 6 mph |
| 1500 | |
66°F | E 6 mph |
| 1800 |  |
66°F | E 6 mph |
| 2100 | |
62°F | E 5 mph |
| 0000 |  |
60°F | E 2 mph |