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Best time to visit Santa Catalina Island, CA, USA

Our verdict

The best time to visit Santa Catalina Island is April-May

Want to know when to travel to Santa Catalina Island? Based on criteria such as the weather, cost of flights and hotels, and peak travel periods, April-May is the best time to go to Santa Catalina Island. Don’t just take our word for it though… We’ve put together loads of information below to help you decide, such as a monthly breakdown of the weather, what to pack, when to fly, and much more.

In the summer months, temperatures tend to get to a maximum of around 22℃ (72℉). The weather in the winter, especially around February, can reach a minimum of 9℃ (49℉).

The longest days between sunrise and sunset in Santa Catalina Island are usually in August, so if you want to get the most out of your daytime activities, be sure to plan your visit around this time. You don’t want to get wet on your holiday, do you? Well if you’re trying to avoid the rain, then steer clear of Santa Catalina Island in December. Head over there in June instead if you want to increase your chances of not being rained on.

Keep reading to find all the info you need (and none of the stuff you don’t) about the best times to go to Santa Catalina Island. By the time you get to the bottom, you’ll be ready to start booking your trip.

Warmest month

September

Least rainfall

June

Most daylight

August

Santa Catalina Island seasons

Before you continue, it’s important to know when the seasons are in Santa Catalina Island as they might be different to yours depending on where in the world you’re travelling from. Santa Catalina Island is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Santa Catalina Island

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Santa Catalina Island for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Santa Catalina Island climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Santa Catalina Island for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Santa Catalina Island in January

  • Average temperature: 15℃ (59℉)
  • Average high temperature: 16℃ (61℉)
  • Average low temperature: 14℃ (57℉)
  • Average humidity: 69%
  • Average sunny days: 24 days
  • Average rainfall: 36mm (1") over 6 days
24 days
of pure sunshine
6 days
of showers or rain

What to pack: If you’re heading to Santa Catalina Island in January, make sure you pack a light jumper or hoodie.


Santa Catalina Island in February

  • Average temperature: 14℃ (57℉)
  • Average high temperature: 15℃ (59℉)
  • Average low temperature: 13℃ (55℉)
  • Average humidity: 73%
  • Average sunny days: 21 days
  • Average rainfall: 27mm (1") over 6 days
21 days
of pure sunshine
6 days
of showers or rain

What to pack: If you’re heading to Santa Catalina Island in February, make sure you pack a light jumper or hoodie.


Santa Catalina Island in March

  • Average temperature: 14℃ (58℉)
  • Average high temperature: 15℃ (60℉)
  • Average low temperature: 13℃ (55℉)
  • Average humidity: 76%
  • Average sunny days: 23 days
  • Average rainfall: 18mm (1") over 7 days
23 days
of pure sunshine
7 days
of showers or rain

What to pack: If you’re heading to Santa Catalina Island in March, make sure you pack a light jumper or hoodie.


Santa Catalina Island in April

  • Average temperature: 15℃ (59℉)
  • Average high temperature: 16℃ (60℉)
  • Average low temperature: 13℃ (55℉)
  • Average humidity: 78%
  • Average sunny days: 23 days
  • Average rainfall: 10mm (0") over 6 days
23 days
of pure sunshine
6 days
of showers or rain

What to pack: If you’re heading to Santa Catalina Island in April, make sure you pack a light jumper or hoodie.


Santa Catalina Island in May

  • Average temperature: 15℃ (59℉)
  • Average high temperature: 16℃ (61℉)
  • Average low temperature: 13℃ (56℉)
  • Average humidity: 82%
  • Average sunny days: 23 days
  • Average rainfall: 6mm (0") over 6 days
23 days
of pure sunshine
6 days
of showers or rain

What to pack: If you’re heading to Santa Catalina Island in May, make sure you pack a light jumper or hoodie.


Santa Catalina Island in June

  • Average temperature: 16℃ (60℉)
  • Average high temperature: 17℃ (62℉)
  • Average low temperature: 14℃ (58℉)
  • Average humidity: 87%
  • Average sunny days: 19 days
  • Average rainfall: 3mm (0") over 6 days
19 days
of pure sunshine
6 days
of showers or rain

What to pack: If you’re heading to Santa Catalina Island in June, make sure you pack a light jumper or hoodie.


Santa Catalina Island in July

  • Average temperature: 17℃ (63℉)
  • Average high temperature: 18℃ (65℉)
  • Average low temperature: 16℃ (60℉)
  • Average humidity: 86%
  • Average sunny days: 21 days
  • Average rainfall: 12mm (0") over 7 days
21 days
of pure sunshine
7 days
of showers or rain

What to pack: If you’re heading to Santa Catalina Island in July, make sure you pack a light jumper or hoodie.


Santa Catalina Island in August

  • Average temperature: 18℃ (64℉)
  • Average high temperature: 19℃ (66℉)
  • Average low temperature: 16℃ (62℉)
  • Average humidity: 85%
  • Average sunny days: 22 days
  • Average rainfall: 9mm (0") over 5 days
22 days
of pure sunshine
5 days
of showers or rain

What to pack: If you’re heading to Santa Catalina Island in August, make sure you pack a light jumper or hoodie.


Santa Catalina Island in September

  • Average temperature: 19℃ (66℉)
  • Average high temperature: 20℃ (68℉)
  • Average low temperature: 17℃ (63℉)
  • Average humidity: 82%
  • Average sunny days: 22 days
  • Average rainfall: 8mm (0") over 5 days
22 days
of pure sunshine
5 days
of showers or rain

What to pack: If you’re heading to Santa Catalina Island in September, make sure you pack a light jumper or hoodie.

Santa Catalina Island in October

  • Average temperature: 19℃ (65℉)
  • Average high temperature: 20℃ (67℉)
  • Average low temperature: 17℃ (63℉)
  • Average humidity: 75%
  • Average sunny days: 24 days
  • Average rainfall: 14mm (1") over 5 days
24 days
of pure sunshine
5 days
of showers or rain

What to pack: If you’re heading to Santa Catalina Island in October, make sure you pack a light jumper or hoodie.


Santa Catalina Island in November

  • Average temperature: 17℃ (63℉)
  • Average high temperature: 18℃ (65℉)
  • Average low temperature: 16℃ (60℉)
  • Average humidity: 69%
  • Average sunny days: 23 days
  • Average rainfall: 17mm (1") over 5 days
23 days
of pure sunshine
5 days
of showers or rain

What to pack: If you’re heading to Santa Catalina Island in November, make sure you pack a light jumper or hoodie.


Santa Catalina Island in December

  • Average temperature: 15℃ (59℉)
  • Average high temperature: 16℃ (61℉)
  • Average low temperature: 14℃ (57℉)
  • Average humidity: 68%
  • Average sunny days: 23 days
  • Average rainfall: 39mm (2") over 7 days
23 days
of pure sunshine
7 days
of showers or rain

What to pack: If you’re heading to Santa Catalina Island in December, make sure you pack a light jumper or hoodie.


Top FAQs

The hottest month of the year in Santa Catalina Island is usually September, where temperatures tend to rise to around 20℃ (68℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Santa Catalina Island is generally around June. The dry season often coincides with cooler weather, so you should check the temperatures in June first to make sure it’s still a good time to go.
The rainiest time of year in Santa Catalina Island is generally around December, although the wetter season can sometimes extend a few months either side of December too.
If you want to get the most out of your time visiting Santa Catalina Island, or if you're just afraid of the dark, the days in August are usually the longest between sunrise and sunset.

Santa Catalina Island map