Snakes in South Dakota in July
Yes, July is one of the best months to see snakes in South Dakota. It is the 3rd busiest month of the year, with 347 of the 2,246 sightings logged across the year (15.4%), 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 snakes in South Dakota
15.4%
of yearly sightings
347
records in July
#3
busiest month of 12
2,246
verified records a year
June 24%, July 15.4%, August 13%. Busiest month is June at 24%.
2,246 verified observations of snakes in South Dakota, recorded across 12 months of the year on iNaturalist.
When snakes are recorded in South Dakota
Peak month
June
538 records (24% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 3 | 0.1% |
| February | 4 | 0.2% |
| March | 11 | 0.5% |
| April | 82 | 3.7% |
| Maypeak | 512 | 22.8% |
| Junepeak | 538 | 24% |
| Julypeak | 347 | 15.4% |
| August | 292 | 13% |
| September | 297 | 13.2% |
| October | 143 | 6.4% |
| November | 14 | 0.6% |
| December | 3 | 0.1% |
Snakes you are most likely to see
| Species | Verified observations |
|---|---|
| Plains Garter Snake | 477 |
| Gopher Snake | 335 |
| Prairie Rattlesnake | 294 |
| Western Terrestrial Garter Snake | 200 |
| North American Racer | 186 |
| Common Garter Snake | 166 |
| Red-bellied Snake | 120 |
| Western Foxsnake | 107 |
In South Dakota, July carries 15.4% of the year's snakes sightings, about 7.1 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 easing off from June (24%) into July, and it heads toward August (13%) after. This is right inside the peak window, so July is one of the surest months to plan a trip around.
The snakes most often recorded in South Dakota are Plains Garter Snake, Gopher Snake and Prairie Rattlesnake. Those counts are annual totals rather than a July split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in July itself.
Which snakes you are most likely to see
- Plains Garter Snake477 records
- Gopher Snake335 records
- Prairie Rattlesnake294 records
- Western Terrestrial Garter Snake200 records
- North American Racer186 records
- Common Garter Snake166 records
Plan your snake trip in South Dakota
Start with live tours near Badlands 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 Badlands National Park
Use the live GetYourGuide widget to compare local departures and activity styles close to the main snake viewing area.
Booking.com
Stay nearbyStay near Badlands National Park
Compare hotels, cabins and lodges close to the best snake viewing area in South Dakota.
Viator
Broader backupBook a snake tour in South Dakota
Compare guided wildlife tours, boat trips and nature experiences if you want a second travel network beyond the live widget.
Gear to see them
Frequently asked questions
Can you see snakes in South Dakota in July?+
Yes. July accounts for 347 of the 2,246 verified snakes sightings logged in South Dakota across the year, which is 15.4% of the annual total.
Is July a good time to see snakes in South Dakota?+
July is one of the best months. It ranks 3rd of the year and sits inside the peak window of June, May and July.
What month is best for snakes in South Dakota?+
June is the single busiest month, with the broader peak running through June, May and July, based on 2,246 verified observations.
Which snakes are you most likely to see in South Dakota?+
The most-recorded species in South Dakota are Plains Garter Snake, Gopher Snake and Prairie Rattlesnake, based on all-time iNaturalist counts.
See snakes in South Dakota in other months
More places to see snakes
More wildlife in South Dakota


