Frogs in Maine in May

Yes, May is a good month to see frogs in Maine. It is the 6th busiest month of the year, with 2,325 of the 19,776 sightings logged across the year (11.8%), 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 June 28, 2026.

Spring Peeper photographed in MainePacific chorus frog photographed in MaineAmerican Toad photographed in Maine
Photos by iNaturalist observers, used under Creative Commons.

Good month for frogs in Maine

11.8%

of yearly sightings

2,325

records in May

#6

busiest month of 12

19,776

verified records a year

April 14.7%, May 11.8%, June 16.2%. Busiest month is August at 21.7%.

Best months: August, July, JunePeak season right now

19,776 verified observations of frogs in Maine, recorded across 12 months of the year on iNaturalist.

When frogs are recorded in Maine

Peak month

August

4,290 records (21.7% of the year)

Quietest month

February

3 records

MonthObservationsShare
January50%
February30%
March2691.4%
April2,90314.7%
May2,32511.8%
Junepeak3,19916.2%
Julypeak3,69218.7%
Augustpeak4,29021.7%
September2,48912.6%
October5472.8%
November440.2%
December100.1%

Frogs you are most likely to see

SpeciesVerified observations
Green Frog3,485
American Toad3,262
American Bullfrog2,818
Wood Frog2,755
Spring Peeper2,650
Pickerel Frog1,861
Gray Treefrog1,537
Northern Leopard Frog549

In Maine, May carries 11.8% of the year's frogs sightings, about 3.5 points above an even month-to-month split. That makes it the 6th busiest of the twelve months, out of 12 months with recorded activity.

Activity is easing off from April (14.7%) into May, and it heads toward June (16.2%) after. The busiest month is August (21.7%), so if timing is flexible, that window is the safer bet.

The frogs most often recorded in Maine are Green Frog, American Toad and American Bullfrog. Those counts are annual totals rather than a May split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in May itself.

Which frogs you are most likely to see

  • Green Frog3,485 records
  • American Toad3,262 records
  • American Bullfrog2,818 records
  • Wood Frog2,755 records
  • Spring Peeper2,650 records
  • Pickerel Frog1,861 records
Plan your tripAcadia National Park

Plan your frog 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.

Gear to see them

Frequently asked questions

Can you see frogs in Maine in May?+

Yes. May accounts for 2,325 of the 19,776 verified frogs sightings logged in Maine across the year, which is 11.8% of the annual total.

Is May a good time to see frogs in Maine?+

May is the 6th busiest month. It is workable, though August and July is the stronger window for a reliable sighting.

What month is best for frogs in Maine?+

August is the single busiest month, with the broader peak running through August, July and June, based on 19,776 verified observations.

Which frogs are you most likely to see in Maine?+

The most-recorded species in Maine are Green Frog, American Toad and American Bullfrog, based on all-time iNaturalist counts.