World Resorts USA Santa Catalina Island Weather

Santa Catalina Island weather in August

Weather in Santa Catalina Island: August

Average day temperature: 78.8°F
Average night temperature: 69.5°F
Sea water temperature: 70.6°F
Number of sunny days: 29 days
Day length: 12.9 - 13.8 hours
Number of rainy days: 0 days
Precipitation totals: 0.2 in.

Air temperature in August, °F

Show year:
2023
2022
2021

The highest day temperature during August of 2023 was 83°F. At the same time the lowest night temperature was 66°F. Day and night temperature averages during August were 77.0°F and 69.1°F.

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

Show year:
2023
2022
2021

The average sea water temperature in August of 2023 was 69.9°F. The highest and lowest sea temperatures during the month were 71.6°F and 68.7°F.

Sunny, partly cloudy and cloudy days

Almost all days of August in Santa Catalina Island are sunny. Cloudy days are rare.

Precipitation total in August, in.

Precipitation total value in Santa Catalina Island in August is 0.2 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 6.6 mph

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 August is: 12.3.

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
+63°F
NW 9 mph
Feels like: +63°F
Precip.: 0%
Places in USA:
Name
°F
+52°F
+68°F
+73°F
+73°F
+64°F
+59°F
+79°F
+57°F
+75°F
+61°F
+50°F
+75°F
+75°F
+70°F
+57°F
24 Hours Forecast
Santa Catalina Island
Local time: 07:05
May 03, friday
0900
63°F
NW
11 mph
1200
64°F
NW
8 mph
1500
57°F
N
6 mph
1800
57°F
E
6 mph
2100
57°F
E
2 mph
May 04, saturday
0000
55°F
NE
5 mph
0300
59°F
NE
5 mph
0600
55°F
NW
5 mph
Units of measurement: °C / °F