Best Time to See Frogs in South Dakota
June, July and September is the best time to see frogs in South Dakota. Based on 2,456 verified iNaturalist observations, here is exactly when frogs are most active across the year in South Dakota.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
Northern Leopard Frog · Jeff D Hansen CC BY
Woodhouse's Toad · Public domain CC0
Woodhouse's Toad · Jeff D Hansen CC BY
2,456 verified observations of frogs in South Dakota, recorded across 10 months of the year on iNaturalist.
When frogs are recorded in South Dakota
Peak month
June
503 records (20.5% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 1 | 0% |
| March | 14 | 0.6% |
| April | 81 | 3.3% |
| May | 316 | 12.9% |
| Junepeak | 503 | 20.5% |
| Julypeak | 500 | 20.4% |
| August | 485 | 19.7% |
| Septemberpeak | 490 | 20% |
| October | 57 | 2.3% |
| November | 9 | 0.4% |
| December | 0 | 0% |
Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| Northern Leopard Frog | 750 |
| Woodhouse's Toad | 472 |
| American Toad | 318 |
| Boreal Chorus Frog | 225 |
| Great Plains Toad | 203 |
| American Bullfrog | 127 |
| Canadian Toad | 94 |
| Cope's Gray Tree Frog | 64 |
Weather to expect, source Open-Meteo
Typical weather in South Dakota
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 58 to 87 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 31°F | 16°F | 0.5" |
| Feb | 31°F | 11°F | 0.7" |
| Mar | 44°F | 25°F | 1.6" |
| Apr | 54°F | 34°F | 2.4" |
| May | 68°F | 49°F | 3.7" |
| Junbest time | 84°F | 63°F | 2.2" |
| Julbest time | 87°F | 67°F | 2.5" |
| Aug | 86°F | 66°F | 1.6" |
| Sepbest time | 78°F | 58°F | 2.1" |
| Oct | 58°F | 40°F | 2" |
| Nov | 46°F | 29°F | 0.8" |
| Dec | 35°F | 19°F | 1.3" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for South Dakota. Weather varies year to year, so treat these as a guide.
More on frogs in South Dakota:
Sightings of frogs in South Dakota peak in June, when 503 of the year's 2,456 verified observations are logged — about 20.5% of the annual total. Activity stays high through June, July and September.
The quietest stretch is January, December and February, when frogs are hardest to find — no verified records exist for January. If a reliable sighting matters, plan around the peak window rather than the off-season.
The frogs you are most likely to encounter in South Dakota are Northern Leopard Frog, Woodhouse's Toad 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 South Dakota
- Badlands National Park — National Park
- Jewel Cave National Monument — National Monument
- Lewis & Clark National Historic Trail — National Historic Trail
- Missouri National Recreational River — National Recreational River
- Wind Cave National Park — National Park
- Minuteman Missile National Historic Site — National Historic Site
Gear to see them
Frequently asked questions
What is the best month to see frogs in South Dakota?+
June is the single best month, and the broader peak window runs through June, July and September, based on 2,456 verified iNaturalist observations.
When are frogs hardest to see in South Dakota?+
January is the quietest month for frogs in South Dakota, with no verified records on iNaturalist.
Are frogs active year-round in South Dakota?+
Frogs are recorded in 10 of 12 months in South Dakota, concentrated around June and July.
More places to see frogs
More wildlife in South Dakota