Best Time to See Dolphins in California
May, April and September is the best time to see dolphins in California. Based on 8,463 verified iNaturalist observations, here is exactly when dolphins 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.
Common Bottlenose Dolphin · Adam J. Searcy CC BY
Common Dolphin · Cricket Raspet CC BY
Common Bottlenose Dolphin · Amber M. King CC BY
8,463 verified observations of dolphins in California, recorded across 12 months of the year on iNaturalist.
When dolphins are recorded in California
Peak month
May
937 records (11.1% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 676 | 8% |
| February | 470 | 5.6% |
| March | 727 | 8.6% |
| Aprilpeak | 801 | 9.5% |
| Maypeak | 937 | 11.1% |
| June | 743 | 8.8% |
| July | 652 | 7.7% |
| August | 739 | 8.7% |
| Septemberpeak | 796 | 9.4% |
| October | 748 | 8.8% |
| November | 525 | 6.2% |
| December | 649 | 7.7% |
Dolphins you are most likely to see
| Species | Verified observations |
|---|---|
| Common Bottlenose Dolphin | 3,708 |
| Common Dolphin | 1,812 |
| Risso's Dolphin | 1,295 |
| Orca | 565 |
| Pacific White-sided Dolphin | 454 |
| Northern Right Whale Dolphin | 116 |
| Striped Dolphin | 12 |
| False Killer Whale | 4 |
Weather to expect, source Open-Meteo
Typical weather in California
Recent typical conditions by month, so you can plan a trip around both when dolphins are active and what the weather is doing. The best months to look for dolphins sit around 40 to 85 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 53°F | 31°F | 5.6" |
| Feb | 53°F | 30°F | 4.4" |
| Mar | 55°F | 33°F | 7.3" |
| Aprbest time | 66°F | 40°F | 1.8" |
| Maybest time | 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" |
| Sepbest time | 85°F | 57°F | 0.8" |
| Oct | 73°F | 46°F | 1.2" |
| Nov | 61°F | 36°F | 2.3" |
| Dec | 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 dolphins in California peak in May, when 937 of the year's 8,463 verified observations are logged — about 11.1% of the annual total. Activity stays high through May, April and September.
The quietest stretch is February, November and December, when dolphins are hardest to find — February sees just 470 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The dolphins you are most likely to encounter in California are Common Bottlenose Dolphin, Common Dolphin and Risso's Dolphin — 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 dolphins 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
Go see them · California
San Diego Whale Watching & Dolphin Cruise
Set sail from scenic Mission Bay and encounter some of the ocean’s most awe-inspiring creatures on a 2–3 hour whale-watching adventure in San Diego....
Staying over? Compare places to stay near Alcatraz Island
Frequently asked questions
What is the best month to see dolphins in California?+
May is the single best month, and the broader peak window runs through May, April and September, based on 8,463 verified iNaturalist observations.
When are dolphins hardest to see in California?+
February is the quietest month for dolphins in California, with only 470 verified records.
Are dolphins active year-round in California?+
Dolphins are recorded in 12 of 12 months in California, so they can be seen year-round, with a clear peak in May.
More places to see dolphins
More wildlife in California