Best Time to See Tree Frogs in Indiana
May, April and June is the best time to see tree frogs in Indiana. Based on 6,513 verified iNaturalist observations, here is exactly when tree frogs are most active across the year in Indiana.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 2, 2026.
Blanchard's Cricket Frog · Mila C. CC BY
Blanchard's Cricket Frog · Public domain CC0
Green Treefrog · Elizabeth CC BY-SA
6,513 verified observations of tree frogs in Indiana, recorded across 12 months of the year on iNaturalist.
When tree frogs are recorded in Indiana
Peak month
May
1,355 records (20.8% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 3 | 0% |
| February | 87 | 1.3% |
| March | 641 | 9.8% |
| Aprilpeak | 1,053 | 16.2% |
| Maypeak | 1,355 | 20.8% |
| Junepeak | 802 | 12.3% |
| July | 737 | 11.3% |
| August | 652 | 10% |
| September | 724 | 11.1% |
| October | 393 | 6% |
| November | 51 | 0.8% |
| December | 15 | 0.2% |
Tree Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| Blanchard's Cricket Frog | 1,543 |
| Gray Treefrog | 1,115 |
| Spring Peeper | 985 |
| Western Chorus Frog | 433 |
| Cope's Gray Tree Frog | 430 |
| Green Treefrog | 62 |
| Boreal Chorus Frog | 52 |
| Squirrel Tree Frog | 2 |
Weather to expect, source Open-Meteo
Typical weather in Indiana
Recent typical conditions by month, so you can plan a trip around both when tree frogs are active and what the weather is doing. The best months to look for tree frogs sit around 42 to 81 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 38°F | 24°F | 3.6" |
| Feb | 41°F | 24°F | 3.7" |
| Mar | 52°F | 33°F | 5.3" |
| Aprbest time | 61°F | 42°F | 3.6" |
| Maybest time | 71°F | 53°F | 4.5" |
| Junbest time | 81°F | 63°F | 3.2" |
| Jul | 84°F | 67°F | 4.7" |
| Aug | 83°F | 66°F | 3.6" |
| Sep | 78°F | 60°F | 1.8" |
| Oct | 65°F | 48°F | 4.4" |
| Nov | 51°F | 34°F | 2.3" |
| Dec | 44°F | 29°F | 3" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Indiana. Weather varies year to year, so treat these as a guide.
More on tree frogs in Indiana:
Sightings of tree frogs in Indiana peak in May, when 1,355 of the year's 6,513 verified observations are logged — about 20.8% of the annual total. Activity stays high through May, April and June.
The quietest stretch is January, when tree frogs are hardest to find — January sees just 3 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The tree frogs you are most likely to encounter in Indiana are Blanchard's Cricket Frog, Gray Treefrog and Spring Peeper — 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 tree frogs in Indiana
- Indiana Dunes National Park — National Park
- Lewis & Clark National Historic Trail — National Historic Trail
- Lincoln Boyhood National Memorial — National Memorial
- George Rogers Clark National Historical Park — National Historical Park
Frequently asked questions
What is the best month to see tree frogs in Indiana?+
May is the single best month, and the broader peak window runs through May, April and June, based on 6,513 verified iNaturalist observations.
When are tree frogs hardest to see in Indiana?+
January is the quietest month for tree frogs in Indiana, with only 3 verified records.
Are tree frogs active year-round in Indiana?+
Tree frogs are recorded in 12 of 12 months in Indiana, so they can be seen year-round, with a clear peak in May.
More places to see tree frogs
More wildlife in Indiana