Best Time to See Octopus in California
January, November and December is the best time to see octopus in California. Based on 8,160 verified iNaturalist observations, here is exactly when octopus are most active across the year in California.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
Lesser Two-spot Octopus · James M. Maley CC BY
Lesser Two-spot Octopus · James M. Maley CC BY
East Pacific Red Octopus · Public domain CC0
8,160 verified observations of octopus in California, recorded across 12 months of the year on iNaturalist.
When octopus are recorded in California
Peak month
January
992 records (12.2% of the year)
| Month | Observations | Share |
|---|---|---|
| Januarypeak | 992 | 12.2% |
| February | 612 | 7.5% |
| March | 444 | 5.4% |
| April | 497 | 6.1% |
| May | 615 | 7.5% |
| June | 752 | 9.2% |
| July | 602 | 7.4% |
| August | 623 | 7.6% |
| September | 559 | 6.9% |
| October | 622 | 7.6% |
| Novemberpeak | 922 | 11.3% |
| Decemberpeak | 920 | 11.3% |
Octopus you are most likely to see
| Species | Verified observations |
|---|---|
| Lesser Two-spot Octopus | 4,082 |
| East Pacific Red Octopus | 2,442 |
| Giant Pacific Octopus | 226 |
| California Lilliput Octopus | 78 |
| Verrill's Two-spot Octopus | 44 |
| Greater Argonaut | 32 |
| Noury's Argonaut | 3 |
| Southern Red Octopus | 2 |
Weather to expect, source Open-Meteo
Typical weather in California
Recent typical conditions by month, so you can plan a trip around both when octopus are active and what the weather is doing. The best months to look for octopus sit around 31 to 61 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Janbest time | 53°F | 31°F | 5.6" |
| Feb | 53°F | 30°F | 4.4" |
| Mar | 55°F | 33°F | 7.3" |
| Apr | 66°F | 40°F | 1.8" |
| May | 73°F | 46°F | 1.6" |
| Jun | 84°F | 55°F | 0.2" |
| Jul | 94°F | 62°F | 0" |
| Aug | 93°F | 62°F | 0.3" |
| Sep | 85°F | 57°F | 0.8" |
| Oct | 73°F | 46°F | 1.2" |
| Novbest time | 61°F | 36°F | 2.3" |
| Decbest time | 53°F | 33°F | 7.8" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for California. Weather varies year to year, so treat these as a guide.
Sightings of octopus in California peak in January, when 992 of the year's 8,160 verified observations are logged — about 12.2% of the annual total. Activity stays high through January, November and December.
The quietest stretch is March, April and September, when octopus are hardest to find — March sees just 444 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The octopus you are most likely to encounter in California are Lesser Two-spot Octopus, East Pacific Red Octopus and Giant Pacific Octopus — the most-recorded species in the state. Each keeps its own seasonal rhythm, but the month-by-month pattern above reflects every reported sighting together.
Where to go
Best places to see octopus in California
- Alcatraz Island
- Cabrillo National Monument — National Monument
- Channel Islands National Park — National Park
- Death Valley National Park — National Park
- Devils Postpile National Monument — National Monument
- Golden Gate National Recreation Area — National Recreation Area
Frequently asked questions
What is the best month to see octopus in California?+
January is the single best month, and the broader peak window runs through January, November and December, based on 8,160 verified iNaturalist observations.
When are octopus hardest to see in California?+
March is the quietest month for octopus in California, with only 444 verified records.
Are octopus active year-round in California?+
Octopus are recorded in 12 of 12 months in California, so they can be seen year-round, with a clear peak in January.
More places to see octopus
More wildlife in California