Best Time to See Rattlesnakes in Vermont
August, June and July is the best time to see rattlesnakes in Vermont. Based on 21 verified iNaturalist observations, here is exactly when rattlesnakes are most active across the year in Vermont.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 22, 2026.
Eastern Diamondback Rattlesnake · Scott Allen Davis CC BY
Panamint Rattlesnake · Matt Berger CC BY
Red Diamond Rattlesnake · Amy Huie CC BY
21 verified observations of rattlesnakes in Vermont, recorded across 6 months of the year on iNaturalist.
When rattlesnakes are recorded in Vermont
Peak month
August
6 records (28.6% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 0 | 0% |
| March | 0 | 0% |
| April | 1 | 4.8% |
| May | 1 | 4.8% |
| Junepeak | 5 | 23.8% |
| Julypeak | 4 | 19% |
| Augustpeak | 6 | 28.6% |
| September | 4 | 19% |
| October | 0 | 0% |
| November | 0 | 0% |
| December | 0 | 0% |
Rattlesnakes you are most likely to see
| Species | Verified observations |
|---|---|
| Timber Rattlesnake | 21 |
Weather to expect, source Open-Meteo
Typical weather in Vermont
Recent typical conditions by month, so you can plan a trip around both when rattlesnakes are active and what the weather is doing. The best months to look for rattlesnakes sit around 53 to 77 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 27°F | 10°F | 3.3" |
| Feb | 29°F | 10°F | 3" |
| Mar | 39°F | 20°F | 2.8" |
| Apr | 50°F | 32°F | 4.3" |
| May | 63°F | 43°F | 3.3" |
| Junbest time | 72°F | 53°F | 4" |
| Julbest time | 77°F | 60°F | 6.2" |
| Augbest time | 75°F | 58°F | 4.1" |
| Sep | 68°F | 51°F | 3.4" |
| Oct | 57°F | 41°F | 5.1" |
| Nov | 42°F | 26°F | 3.3" |
| Dec | 34°F | 20°F | 4.5" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Vermont. Weather varies year to year, so treat these as a guide.
Sightings of rattlesnakes in Vermont peak in August, when 6 of the year's 21 verified observations are logged — about 28.6% of the annual total. Activity stays high through August, June and July.
The quietest stretch is January, February and March, when rattlesnakes 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 rattlesnakes you are most likely to encounter in Vermont are Timber 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 rattlesnakes in Vermont
- Appalachian National Scenic Trail — National Scenic Trail
- Marsh - Billings - Rockefeller National Historical Park — National Historical Park
- North Country National Scenic Trail — National Scenic Trail
Frequently asked questions
What is the best month to see rattlesnakes in Vermont?+
August is the single best month, and the broader peak window runs through August, June and July, based on 21 verified iNaturalist observations.
When are rattlesnakes hardest to see in Vermont?+
January is the quietest month for rattlesnakes in Vermont, with no verified records on iNaturalist.
Are rattlesnakes active year-round in Vermont?+
Rattlesnakes are recorded in 6 of 12 months in Vermont, concentrated around August and June.
More wildlife in Vermont