Best Time to See Bats in Tennessee
March, April and July is the best time to see bats in Tennessee. Based on 997 verified iNaturalist observations, here is exactly when bats 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 June 28, 2026.

Eastern Red Bat · Alaina Krakowiak CC BY

Tri-coloured Bat · Ryan Watson CC BY

Northern Hoary Bat · John Abrams CC BY
997 verified observations of bats in Tennessee, recorded across 12 months of the year on iNaturalist.
When bats are recorded in Tennessee
Peak month
March
133 records (13.3% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 38 | 3.8% |
| February | 55 | 5.5% |
| Marchpeak | 133 | 13.3% |
| Aprilpeak | 116 | 11.6% |
| May | 79 | 7.9% |
| June | 106 | 10.6% |
| Julypeak | 114 | 11.4% |
| August | 100 | 10% |
| September | 91 | 9.1% |
| October | 88 | 8.8% |
| November | 46 | 4.6% |
| December | 31 | 3.1% |
Bats you are most likely to see
| Species | Verified observations |
|---|---|
| Tri-coloured Bat | 225 |
| Big Brown Bat | 200 |
| Eastern Red Bat | 171 |
| Gray Bat | 29 |
| Silver-haired Bat | 26 |
| Rafinesque's Big-eared Bat | 24 |
| Evening Bat | 21 |
| Northern Hoary Bat | 12 |
Weather to expect, source Open-Meteo
Typical weather in Tennessee
Recent typical conditions by month, so you can plan a trip around both when bats are active and what the weather is doing. The best months to look for bats sit around 42 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" |
| Marbest time | 62°F | 42°F | 7.5" |
| Aprbest time | 68°F | 48°F | 4.7" |
| May | 77°F | 58°F | 5.3" |
| Jun | 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 bats in Tennessee peak in March, when 133 of the year's 997 verified observations are logged — about 13.3% of the annual total. Activity stays high through March, April and July.
The quietest stretch is December, January and November, when bats are hardest to find — December sees just 31 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The bats you are most likely to encounter in Tennessee are Tri-coloured Bat, Big Brown Bat and Eastern Red Bat — 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 bats in Tennessee
- Appalachian National Scenic Trail — National Scenic Trail
- Big South Fork National River & Recreation Area — National River & Recreation Area
- Cumberland Gap National Historical Park — National Historical Park
- Great Smoky Mountains National Park — National Park
- Natchez Trace Parkway — Parkway
- Obed Wild & Scenic River — Wild & Scenic River
Gear to see them
Frequently asked questions
What is the best month to see bats in Tennessee?+
March is the single best month, and the broader peak window runs through March, April and July, based on 997 verified iNaturalist observations.
When are bats hardest to see in Tennessee?+
December is the quietest month for bats in Tennessee, with only 31 verified records.
Are bats active year-round in Tennessee?+
Bats are recorded in 12 of 12 months in Tennessee, so they can be seen year-round, with a clear peak in March.
More places to see bats
More wildlife in Tennessee