Best Time to See Gray Whales in California
March, April and January is the best time to see gray whales in California. Based on 1,943 verified iNaturalist observations, here is exactly when gray whales 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 July 10, 2026.
Grey Whale · tunicatedreamz CC BY
Grey Whale · Cricket Raspet CC BY
Grey Whale · Peter Abrahamsen CC BY
1,943 verified observations of gray whales in California, recorded across 12 months of the year on iNaturalist.
When gray whales are recorded in California
Peak month
March
368 records (18.9% of the year)
| Month | Observations | Share |
|---|---|---|
| Januarypeak | 317 | 16.3% |
| February | 246 | 12.7% |
| Marchpeak | 368 | 18.9% |
| Aprilpeak | 318 | 16.4% |
| May | 255 | 13.1% |
| June | 105 | 5.4% |
| July | 85 | 4.4% |
| August | 69 | 3.6% |
| September | 38 | 2% |
| October | 29 | 1.5% |
| November | 29 | 1.5% |
| December | 84 | 4.3% |
Gray Whales you are most likely to see
| Species | Verified observations |
|---|---|
| Grey Whale | 1,943 |
Weather to expect, source Open-Meteo
Typical weather in California
Recent typical conditions by month, so you can plan a trip around both when gray whales are active and what the weather is doing. The best months to look for gray whales sit around 31 to 66 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" |
| Marbest time | 55°F | 33°F | 7.3" |
| Aprbest time | 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" |
| 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.
More on gray whales in California:
Sightings of gray whales in California peak in March, when 368 of the year's 1,943 verified observations are logged — about 18.9% of the annual total. Activity stays high through March, April and January.
The quietest stretch is October, November and September, when gray whales are hardest to find — October sees just 29 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The gray whales you are most likely to encounter in California are Grey Whale — 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 gray whales 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 Cruise
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Staying over? Compare places to stay near Alcatraz Island
Frequently asked questions
What is the best month to see gray whales in California?+
March is the single best month, and the broader peak window runs through March, April and January, based on 1,943 verified iNaturalist observations.
When are gray whales hardest to see in California?+
October is the quietest month for gray whales in California, with only 29 verified records.
Are gray whales active year-round in California?+
Gray whales are recorded in 12 of 12 months in California, so they can be seen year-round, with a clear peak in March.
More places to see gray whales
More wildlife in California