Best Time to See Frogs in Delaware
June, July and May is the best time to see frogs in Delaware. Based on 8,843 verified iNaturalist observations, here is exactly when frogs are most active across the year in Delaware.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

Fowler's Toad · Public domain CC0

Fowler's Toad · inbetweenbays CC BY

Fowler's Toad · Public domain CC0
8,843 verified observations of frogs in Delaware, recorded across 12 months of the year on iNaturalist.
When frogs are recorded in Delaware
Peak month
June
1,907 records (21.6% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 13 | 0.1% |
| February | 40 | 0.5% |
| March | 468 | 5.3% |
| April | 758 | 8.6% |
| Maypeak | 1,368 | 15.5% |
| Junepeak | 1,907 | 21.6% |
| Julypeak | 1,669 | 18.9% |
| August | 1,273 | 14.4% |
| September | 951 | 10.8% |
| October | 319 | 3.6% |
| November | 63 | 0.7% |
| December | 14 | 0.2% |
Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| Fowler's Toad | 2,882 |
| Green Frog | 910 |
| American Toad | 874 |
| American Bullfrog | 729 |
| Southern Leopard Frog | 522 |
| Eastern Spadefoot | 327 |
| Cope's Gray Tree Frog | 308 |
| Pickerel Frog | 305 |
Weather to expect, source Open-Meteo
Typical weather in Delaware
Recent typical conditions by month, so you can plan a trip around both when frogs are active and what the weather is doing. The best months to look for frogs sit around 56 to 86 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 44°F | 32°F | 2.9" |
| Feb | 47°F | 33°F | 3.8" |
| Mar | 54°F | 39°F | 3.8" |
| Apr | 63°F | 48°F | 4.5" |
| Maybest time | 70°F | 56°F | 3.9" |
| Junbest time | 79°F | 66°F | 3.9" |
| Julbest time | 86°F | 73°F | 6" |
| Aug | 83°F | 72°F | 5.1" |
| Sep | 77°F | 65°F | 4.3" |
| Oct | 68°F | 55°F | 4.4" |
| Nov | 56°F | 43°F | 2.8" |
| Dec | 48°F | 36°F | 4.8" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Delaware. Weather varies year to year, so treat these as a guide.
More on frogs in Delaware:
Sightings of frogs in Delaware peak in June, when 1,907 of the year's 8,843 verified observations are logged — about 21.6% of the annual total. Activity stays high through June, July and May.
The quietest stretch is January and December, when frogs are hardest to find — January sees just 13 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The frogs you are most likely to encounter in Delaware are Fowler's Toad, Green Frog and American Toad — the most-recorded species in the state. Each keeps its own seasonal rhythm, but the month-by-month pattern above reflects every reported sighting together.
Where to go
Best places to see frogs in Delaware
- Captain John Smith Chesapeake National Historic Trail — National Historic Trail
- Chesapeake Bay
- First State National Historical Park — National Historical Park
- Washington-Rochambeau Revolutionary Route National Historic Trail — National Historic Trail
Gear to see them
Frequently asked questions
What is the best month to see frogs in Delaware?+
June is the single best month, and the broader peak window runs through June, July and May, based on 8,843 verified iNaturalist observations.
When are frogs hardest to see in Delaware?+
January is the quietest month for frogs in Delaware, with only 13 verified records.
Are frogs active year-round in Delaware?+
Frogs are recorded in 12 of 12 months in Delaware, so they can be seen year-round, with a clear peak in June.
More places to see frogs
More wildlife in Delaware