Humpback Whales in Maine in August
Yes, August is one of the best months to see humpback whales in Maine. It is the 2nd busiest month of the year, with 20 of the 82 sightings logged across the year (24.4%), based on verified iNaturalist records.
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 Maine
24.4%
of yearly sightings
20
records in August
#2
busiest month of 12
82
verified records a year
July 40.2%, August 24.4%, September 3.7%. Busiest month is July at 40.2%.
82 verified observations of humpback whales in Maine, recorded across 7 months of the year on iNaturalist.
When humpback whales are recorded in Maine
Peak month
July
33 records (40.2% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 0 | 0% |
| March | 0 | 0% |
| April | 2 | 2.4% |
| May | 4 | 4.9% |
| Junepeak | 15 | 18.3% |
| Julypeak | 33 | 40.2% |
| Augustpeak | 20 | 24.4% |
| September | 3 | 3.7% |
| October | 5 | 6.1% |
| November | 0 | 0% |
| December | 0 | 0% |
Humpback Whales you are most likely to see
| Species | Verified observations |
|---|---|
| Humpback Whale | 82 |
In Maine, August carries 24.4% of the year's humpback whales sightings, about 16.1 points above an even month-to-month split. That makes it the 2nd busiest of the twelve months, out of 7 months with recorded activity.
Activity is easing off from July (40.2%) into August, and it heads toward September (3.7%) 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 Maine 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 Whale82 records
Plan your humpback whale trip in Maine
Start with live tours near Acadia National Park, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
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Use the live GetYourGuide widget to compare local departures and activity styles close to the main humpback whale viewing area.
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Frequently asked questions
Can you see humpback whales in Maine in August?+
Yes. August accounts for 20 of the 82 verified humpback whales sightings logged in Maine across the year, which is 24.4% of the annual total.
Is August a good time to see humpback whales in Maine?+
August is one of the best months. It ranks 2nd of the year and sits inside the peak window of July, August and June.
What month is best for humpback whales in Maine?+
July is the single busiest month, with the broader peak running through July, August and June, based on 82 verified observations.
Which humpback whales are you most likely to see in Maine?+
The most-recorded species in Maine are Humpback Whale, based on all-time iNaturalist counts.
See humpback whales in Maine in other months
More wildlife in Maine