World Resorts USA Santa Catalina Island Weather

Santa Catalina Island weather in May

Weather in Santa Catalina Island: May

Average day temperature: 69.2°F
Average night temperature: 60.9°F
Sea water temperature: 63.1°F
Number of sunny days: 24 days
Day length: 13.5 - 14.2 hours
Number of rainy days: 0 days
Precipitation totals: 0.1 in.

Air temperature in May, °F

Show year:
2023
2022
2021

The highest day temperature during May of 2023 was 72°F. At the same time the lowest night temperature was 55°F. Day and night temperature averages during May were 65.9°F and 58.7°F.

Sea water temperature in Santa Catalina Island in May, °F

Show year:
2023
2022
2021

The average sea water temperature in May of 2023 was 61.6°F. The highest and lowest sea temperatures during the month were 62.8°F and 60.1°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are sunny but cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Santa Catalina Island in May is 0.1 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 7.4 mph It makes May one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 11.2.

Best time for vacation in Santa Catalina Island

Sunniest months:
July 30 days
August 29 days
September 27 days
Warmest months:
August 78.8 °F
September 78.3 °F
July 77.3 °F
Warmest sea temp:
August 70.6 °F
September 70.6 °F
July 68.7 °F
Coldest months:
March 62.0 °F
January 63.2 °F
December 63.2 °F
Rainiest months:
December 3 days
January 2 days
February 1 day
Windiest months:
March 8.3 mph
April 7.5 mph
May 7.4 mph

Santa Catalina Island on a weather map

Santa Catalina Island
+54°F
E 28 mph
Feels like: +48°F
Precip.: 0%
Places in USA:
Name
°F
+54°F
+61°F
+72°F
+72°F
+61°F
+59°F
+81°F
+52°F
+84°F
+59°F
+50°F
+82°F
+84°F
+79°F
+54°F
24 Hours Forecast
Santa Catalina Island
Local time: 08:56
May 05, sunday
0900
54°F
E
28 mph
1200
54°F
E
29 mph
1500
54°F
E
26 mph
1800
55°F
E
21 mph
2100
57°F
SE
16 mph
May 06, monday
0000
57°F
E
5 mph
0300
57°F
NW
2 mph
0600
57°F
NW
7 mph
Units of measurement: °C / °F