Best Time to See Rattlesnakes in Tennessee
July, June and May is the best time to see rattlesnakes in Tennessee. Based on 954 verified iNaturalist observations, here is exactly when rattlesnakes are most active across the year in Tennessee.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 21, 2026.
Eastern Diamondback Rattlesnake · Scott Allen Davis CC BY
Panamint Rattlesnake · Matt Berger CC BY
Red Diamond Rattlesnake · Amy Huie CC BY
954 verified observations of rattlesnakes in Tennessee, recorded across 10 months of the year on iNaturalist.
When rattlesnakes are recorded in Tennessee
Peak month
July
199 records (20.9% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 1 | 0.1% |
| March | 11 | 1.2% |
| April | 64 | 6.7% |
| Maypeak | 172 | 18% |
| Junepeak | 179 | 18.8% |
| Julypeak | 199 | 20.9% |
| August | 172 | 18% |
| September | 108 | 11.3% |
| October | 35 | 3.7% |
| November | 13 | 1.4% |
| December | 0 | 0% |
Rattlesnakes you are most likely to see
| Species | Verified observations |
|---|---|
| Timber Rattlesnake | 954 |
Weather to expect, source Open-Meteo
Typical weather in Tennessee
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 58 to 87 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 49°F | 33°F | 6" |
| Feb | 54°F | 36°F | 7.3" |
| Mar | 62°F | 42°F | 7.5" |
| Apr | 68°F | 48°F | 4.7" |
| Maybest time | 77°F | 58°F | 5.3" |
| Junbest time | 84°F | 65°F | 6.2" |
| Julbest time | 87°F | 70°F | 7.4" |
| Aug | 86°F | 69°F | 8.3" |
| Sep | 82°F | 64°F | 3.2" |
| Oct | 72°F | 53°F | 4.8" |
| Nov | 59°F | 41°F | 2.9" |
| Dec | 54°F | 38°F | 5.9" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Tennessee. Weather varies year to year, so treat these as a guide.
Sightings of rattlesnakes in Tennessee peak in July, when 199 of the year's 954 verified observations are logged — about 20.9% of the annual total. Activity stays high through July, June and May.
The quietest stretch is January, December and February, 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 Tennessee 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.
Frequently asked questions
What is the best month to see rattlesnakes in Tennessee?+
July is the single best month, and the broader peak window runs through July, June and May, based on 954 verified iNaturalist observations.
When are rattlesnakes hardest to see in Tennessee?+
January is the quietest month for rattlesnakes in Tennessee, with no verified records on iNaturalist.
Are rattlesnakes active year-round in Tennessee?+
Rattlesnakes are recorded in 10 of 12 months in Tennessee, concentrated around July and June.
More wildlife in Tennessee