Tree Frogs in California in May

Yes, May is one of the best months to see tree frogs in California. It is the 3rd busiest month of the year, with 6,757 of the 57,504 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.

Pacific chorus frog photographed in CaliforniaPacific chorus frog photographed in CaliforniaPacific chorus frog photographed in California
Photos by iNaturalist observers, used under Creative Commons.

Peak month for tree frogs in California

11.8%

of yearly sightings

6,757

records in May

#3

busiest month of 12

57,504

verified records a year

April 14.9%, May 11.8%, June 10.1%. Busiest month is April at 14.9%.

Best months: April, March, May

57,504 verified observations of tree frogs in California, recorded across 12 months of the year on iNaturalist.

When tree frogs are recorded in California

Peak month

April

8,564 records (14.9% of the year)

Quietest month

December

2,103 records

MonthObservationsShare
January3,1275.4%
February4,7098.2%
Marchpeak6,88112%
Aprilpeak8,56414.9%
Maypeak6,75711.8%
June5,81510.1%
July5,1729%
August4,4737.8%
September4,1207.2%
October3,2845.7%
November2,4994.3%
December2,1033.7%

Tree Frogs you are most likely to see

SpeciesVerified observations
Pacific chorus frog49,341
California Tree Frog7,231
Cuban Tree Frog16
Green Treefrog2
Barking Tree Frog1

In California, May carries 11.8% of the year's tree frogs sightings, about 3.5 points above an even month-to-month split. That makes it the 3rd busiest of the twelve months, out of 12 months with recorded activity.

Activity is easing off from April (14.9%) into May, and it heads toward June (10.1%) after. This is right inside the peak window, so May is one of the surest months to plan a trip around.

The tree frogs most often recorded in California are Pacific chorus frog, California Tree Frog and Cuban Tree Frog. 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 tree frogs you are most likely to see

  • Pacific chorus frog49,341 records
  • California Tree Frog7,231 records
  • Cuban Tree Frog16 records
  • Green Treefrog2 records
  • Barking Tree Frog1 records
Plan your tripAlcatraz Island

Plan your tree frog 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 tree frogs in California in May?+

Yes. May accounts for 6,757 of the 57,504 verified tree frogs sightings logged in California across the year, which is 11.8% of the annual total.

Is May a good time to see tree frogs in California?+

May is one of the best months. It ranks 3rd of the year and sits inside the peak window of April, March and May.

What month is best for tree frogs in California?+

April is the single busiest month, with the broader peak running through April, March and May, based on 57,504 verified observations.

Which tree frogs are you most likely to see in California?+

The most-recorded species in California are Pacific chorus frog, California Tree Frog and Cuban Tree Frog, based on all-time iNaturalist counts.