Santa Catalina Island Weather: May
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Average Day Temperature: | 67.8°F |
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Average Night Temperature: | 61.7°F |
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Sea Water Temperature: | 64.3°F |
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Number of Sunny Days: | 17 days |
| Sunshine Hours: | 13.5 - 14.2 hours | |
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Number of Rainy Days: | 0 days |
| Precipitation Totals: | 0.0 in | |
| detailed information | ||
forecast
| Santa Catalina Island |
Temperature
| Santa Catalina Island |
Air Temperature in May, °F
The highest day temperature in May 2025 was 68°F. The lowest night temperature was 54°F. The average values for day and night temperatures during May were 62.2°F и 61.4°F respectivly.
Santa Catalina Island Water Sea Temperature in May, °F
The average sea surface temperature in May 2025 for Santa Catalina Island was 64.1°F. The maximum and minimum values were 61.6°F and 67.6°F respectively.
Most of the days in May are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in May, in
Precipitation total in May for Santa Catalina Island is 0.0 in. It makes may one of the least rainy months of the year.
The average wind speed in May is 7.5 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 May is 9.6 hours.
| Chicago | ![]() |
-2 |
| Hawaii | ![]() |
+78 |
| Honolulu | ![]() |
+78 |
| Houston | ![]() |
+44 |
| Las Vegas | ![]() |
+40 |
| Los Angeles | ![]() |
+52 |
| Maui | ![]() |
+72 |
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+72 |
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+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 |

































