Tree Frogs in Delaware in May
Yes, May is one of the best months to see tree frogs in Delaware. It is the 3rd busiest month of the year, with 233 of the 1,615 sightings logged across the year (14.4%), 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 Delaware
14.4%
of yearly sightings
233
records in May
#3
busiest month of 12
1,615
verified records a year
April 7.3%, May 14.4%, June 18.3%. Busiest month is June at 18.3%.
1,615 verified observations of tree frogs in Delaware, recorded across 12 months of the year on iNaturalist.
When tree frogs are recorded in Delaware
Peak month
June
296 records (18.3% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 4 | 0.2% |
| February | 8 | 0.5% |
| March | 162 | 10% |
| April | 118 | 7.3% |
| Maypeak | 233 | 14.4% |
| Junepeak | 296 | 18.3% |
| Julypeak | 263 | 16.3% |
| August | 202 | 12.5% |
| September | 205 | 12.7% |
| October | 102 | 6.3% |
| November | 18 | 1.1% |
| December | 4 | 0.2% |
Tree Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| Cope's Gray Tree Frog | 308 |
| Green Treefrog | 241 |
| Northern Cricket Frog | 239 |
| Spring Peeper | 201 |
| New Jersey Chorus Frog | 35 |
| Gray Treefrog | 30 |
| Barking Tree Frog | 20 |
| Squirrel Tree Frog | 4 |
In Delaware, May carries 14.4% of the year's tree frogs sightings, about 6.1 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 rising from April (7.3%) into May, and it heads toward June (18.3%) 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 Delaware are Cope's Gray Tree Frog, Green Treefrog and Northern Cricket 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
- Cope's Gray Tree Frog308 records
- Green Treefrog241 records
- Northern Cricket Frog239 records
- Spring Peeper201 records
- New Jersey Chorus Frog35 records
- Gray Treefrog30 records
Plan your tree frog trip in Delaware
Start with live tours near Captain John Smith Chesapeake National Historic Trail, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near Captain John Smith Chesapeake National Historic Trail
Use the live GetYourGuide widget to compare local departures and activity styles close to the main tree frog viewing area.
Booking.com
Stay nearbyStay near Captain John Smith Chesapeake National Historic Trail
Compare hotels, cabins and lodges close to the best tree frog viewing area in Delaware.
Viator
Broader backupBook a tree frog tour in Delaware
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 Delaware in May?+
Yes. May accounts for 233 of the 1,615 verified tree frogs sightings logged in Delaware across the year, which is 14.4% of the annual total.
Is May a good time to see tree frogs in Delaware?+
May is one of the best months. It ranks 3rd of the year and sits inside the peak window of June, July and May.
What month is best for tree frogs in Delaware?+
June is the single busiest month, with the broader peak running through June, July and May, based on 1,615 verified observations.
Which tree frogs are you most likely to see in Delaware?+
The most-recorded species in Delaware are Cope's Gray Tree Frog, Green Treefrog and Northern Cricket Frog, based on all-time iNaturalist counts.
See tree frogs in Delaware in other months
More places to see tree frogs
More wildlife in Delaware