Tree Frogs in Oregon in May
Yes, May is one of the best months to see tree frogs in Oregon. It is the 2nd busiest month of the year, with 1,209 of the 9,022 sightings logged across the year (13.4%), 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 June 28, 2026.
Peak month for tree frogs in Oregon
13.4%
of yearly sightings
1,209
records in May
#2
busiest month of 12
9,022
verified records a year
April 13.4%, May 13.4%, June 11.7%. Busiest month is April at 13.4%.
9,022 verified observations of tree frogs in Oregon, recorded across 12 months of the year on iNaturalist.
When tree frogs are recorded in Oregon
Peak month
April
1,211 records (13.4% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 267 | 3% |
| February | 401 | 4.4% |
| March | 798 | 8.8% |
| Aprilpeak | 1,211 | 13.4% |
| Maypeak | 1,209 | 13.4% |
| June | 1,058 | 11.7% |
| July | 991 | 11% |
| Augustpeak | 1,191 | 13.2% |
| September | 885 | 9.8% |
| October | 634 | 7% |
| November | 261 | 2.9% |
| December | 116 | 1.3% |
Tree Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| Pacific chorus frog | 8,991 |
| Cuban Tree Frog | 1 |
In Oregon, May carries 13.4% of the year's tree frogs sightings, about 5.1 points above an even month-to-month split. That makes it the 2nd busiest of the twelve months, out of 12 months with recorded activity.
Activity holds steady between April and May, and it heads toward June (11.7%) 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 Oregon are Pacific chorus 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 frog8,991 records
- Cuban Tree Frog1 records
Plan your tree frog trip in Oregon
Start with live tours near Crater Lake National Park, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near Crater Lake National Park
Use the live GetYourGuide widget to compare local departures and activity styles close to the main tree frog viewing area.
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Stay nearbyStay near Crater Lake National Park
Compare hotels, cabins and lodges close to the best tree frog viewing area in Oregon.
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Broader backupBook a tree frog tour in Oregon
Compare guided wildlife tours, boat trips and nature experiences if you want a second travel network beyond the live widget.
Frequently asked questions
Can you see tree frogs in Oregon in May?+
Yes. May accounts for 1,209 of the 9,022 verified tree frogs sightings logged in Oregon across the year, which is 13.4% of the annual total.
Is May a good time to see tree frogs in Oregon?+
May is one of the best months. It ranks 2nd of the year and sits inside the peak window of April, May and August.
What month is best for tree frogs in Oregon?+
April is the single busiest month, with the broader peak running through April, May and August, based on 9,022 verified observations.
Which tree frogs are you most likely to see in Oregon?+
The most-recorded species in Oregon are Pacific chorus frog and Cuban Tree Frog, based on all-time iNaturalist counts.
See tree frogs in Oregon in other months
More places to see tree frogs
More wildlife in Oregon