Humpback Whales in California in August

Yes, August is one of the best months to see humpback whales in California. It is the 1st busiest month of the year, with 928 of the 5,534 sightings logged across the year (16.8%), based on verified iNaturalist records.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 10, 2026.

Peak month for humpback whales in California

16.8%

of yearly sightings

928

records in August

#1

busiest month of 12

5,534

verified records a year

July 12.5%, August 16.8%, September 16.6%. Busiest month is August at 16.8%.

Best months: August, September, October

5,534 verified observations of humpback whales in California, recorded across 12 months of the year on iNaturalist.

When humpback whales are recorded in California

Peak month

August

928 records (16.8% of the year)

Quietest month

February

55 records

MonthObservationsShare
January831.5%
February551%
March2043.7%
April3436.2%
May4648.4%
June55610%
July69012.5%
Augustpeak92816.8%
Septemberpeak91816.6%
Octoberpeak76013.7%
November3766.8%
December1572.8%

Humpback Whales you are most likely to see

SpeciesVerified observations
Humpback Whale5,534

In California, August carries 16.8% of the year's humpback whales sightings, about 8.5 points above an even month-to-month split. That makes it the 1st busiest of the twelve months, out of 12 months with recorded activity.

Activity is rising from July (12.5%) into August, and it heads toward September (16.6%) after. This is right inside the peak window, so August is one of the surest months to plan a trip around.

The humpback whales most often recorded in California are Humpback Whale. Those counts are annual totals rather than a August split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in August itself.

Which humpback whales you are most likely to see

  • Humpback Whale5,534 records
Plan your tripAlcatraz Island

Plan your humpback whale trip in California

Start with live tours near Alcatraz Island, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Frequently asked questions

Can you see humpback whales in California in August?+

Yes. August accounts for 928 of the 5,534 verified humpback whales sightings logged in California across the year, which is 16.8% of the annual total.

Is August a good time to see humpback whales in California?+

August is one of the best months. It ranks 1st of the year and sits inside the peak window of August, September and October.

What month is best for humpback whales in California?+

August is the single busiest month, with the broader peak running through August, September and October, based on 5,534 verified observations.

Which humpback whales are you most likely to see in California?+

The most-recorded species in California are Humpback Whale, based on all-time iNaturalist counts.