Best Time to See Snakes in Wyoming
June, July and May is the best time to see snakes in Wyoming. Based on 2,652 verified iNaturalist observations, here is exactly when snakes are most active across the year in Wyoming.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

Bullsnake · Public domain CC0

Midget Faded Rattlesnake · Public domain CC0

Western Terrestrial Garter Snake · Jens-Christian Svenning CC BY
2,652 verified observations of snakes in Wyoming, recorded across 10 months of the year on iNaturalist.
When snakes are recorded in Wyoming
Peak month
June
713 records (26.9% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 0 | 0% |
| March | 5 | 0.2% |
| April | 55 | 2.1% |
| Maypeak | 501 | 18.9% |
| Junepeak | 713 | 26.9% |
| Julypeak | 601 | 22.7% |
| August | 390 | 14.7% |
| September | 306 | 11.5% |
| October | 78 | 2.9% |
| November | 2 | 0.1% |
| December | 1 | 0% |
Snakes you are most likely to see
| Species | Verified observations |
|---|---|
| Western Terrestrial Garter Snake | 1,236 |
| Gopher Snake | 624 |
| Prairie Rattlesnake | 360 |
| North American Racer | 143 |
| Plains Hognose Snake | 89 |
| Northern Rubber Boa | 49 |
| Common Garter Snake | 43 |
| Western Milksnake | 27 |
Weather to expect, source Open-Meteo
Typical weather in Wyoming
Recent typical conditions by month, so you can plan a trip around both when snakes are active and what the weather is doing. The best months to look for snakes sit around 40 to 84 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 27°F | 15°F | 0.9" |
| Feb | 25°F | 9°F | 0.7" |
| Mar | 35°F | 19°F | 1.6" |
| Apr | 45°F | 26°F | 1.9" |
| Maybest time | 60°F | 40°F | 2.3" |
| Junbest time | 74°F | 52°F | 1.7" |
| Julbest time | 84°F | 60°F | 0.3" |
| Aug | 82°F | 58°F | 0.9" |
| Sep | 72°F | 50°F | 0.8" |
| Oct | 51°F | 33°F | 1.9" |
| Nov | 40°F | 24°F | 0.7" |
| Dec | 30°F | 17°F | 0.5" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Wyoming. Weather varies year to year, so treat these as a guide.
More on snakes in Wyoming:
Sightings of snakes in Wyoming peak in June, when 713 of the year's 2,652 verified observations are logged — about 26.9% of the annual total. Activity stays high through June, July and May.
The quietest stretch is January, February and December, when snakes 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 snakes you are most likely to encounter in Wyoming are Western Terrestrial Garter Snake, Gopher Snake and Prairie Rattlesnake — 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 snakes in Wyoming
- Bighorn Canyon National Recreation Area — National Recreation Area
- Devils Tower National Monument — National Monument
- Fossil Butte National Monument — National Monument
- Grand Teton National Park — National Park
- Yellowstone National Park — National Park
- California National Historic Trail — National Historic Trail
Gear to see them
Frequently asked questions
What is the best month to see snakes in Wyoming?+
June is the single best month, and the broader peak window runs through June, July and May, based on 2,652 verified iNaturalist observations.
When are snakes hardest to see in Wyoming?+
January is the quietest month for snakes in Wyoming, with no verified records on iNaturalist.
Are snakes active year-round in Wyoming?+
Snakes are recorded in 10 of 12 months in Wyoming, concentrated around June and July.
More places to see snakes
More wildlife in Wyoming