Best Time to See Fire Ants in Tennessee
April, June and March is the best time to see fire ants in Tennessee. Based on 22 verified iNaturalist observations, here is exactly when fire ants 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 22, 2026.

Red Imported Fire Ant · Sam Kieschnick CC BY

Red Imported Fire Ant · Emmett Collins-Sussman CC BY

Red Imported Fire Ant · Meghan Cassidy CC BY-SA
22 verified observations of fire ants in Tennessee, recorded across 8 months of the year on iNaturalist.
When fire ants are recorded in Tennessee
Peak month
April
6 records (27.3% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 1 | 4.5% |
| Marchpeak | 3 | 13.6% |
| Aprilpeak | 6 | 27.3% |
| May | 3 | 13.6% |
| Junepeak | 4 | 18.2% |
| July | 2 | 9.1% |
| August | 0 | 0% |
| September | 2 | 9.1% |
| October | 0 | 0% |
| November | 1 | 4.5% |
| December | 0 | 0% |
Fire Ants you are most likely to see
| Species | Verified observations |
|---|---|
| Red Imported Fire Ant | 22 |
Weather to expect, source Open-Meteo
Typical weather in Tennessee
Recent typical conditions by month, so you can plan a trip around both when fire ants are active and what the weather is doing. The best months to look for fire ants sit around 42 to 84 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" |
| Junbest time | 84°F | 65°F | 6.2" |
| Jul | 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.
More on fire ants in Tennessee:
Sightings of fire ants in Tennessee peak in April, when 6 of the year's 22 verified observations are logged — about 27.3% of the annual total. Activity stays high through April, June and March.
The quietest stretch is January, August and October, when fire ants 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 fire ants you are most likely to encounter in Tennessee are Red Imported Fire Ant — 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 fire ants 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
Frequently asked questions
What is the best month to see fire ants in Tennessee?+
April is the single best month, and the broader peak window runs through April, June and March, based on 22 verified iNaturalist observations.
When are fire ants hardest to see in Tennessee?+
January is the quietest month for fire ants in Tennessee, with no verified records on iNaturalist.
Are fire ants active year-round in Tennessee?+
Fire ants are recorded in 8 of 12 months in Tennessee, concentrated around April and June.
More places to see fire ants
More wildlife in Tennessee