Best Time to See Monarch Butterflies in Tennessee
September, August and October is the best time to see monarch butterflies in Tennessee. Based on 4,469 verified iNaturalist observations, here is exactly when monarch butterflies 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.
Monarch · Nicholas Stockmaster CC BY
Monarch · Will Kuhn CC BY
Monarch · Nicholas Stockmaster CC BY
4,469 verified observations of monarch butterflies in Tennessee, recorded across 12 months of the year on iNaturalist.
When monarch butterflies are recorded in Tennessee
Peak month
September
1,284 records (28.7% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 2 | 0% |
| February | 1 | 0% |
| March | 6 | 0.1% |
| April | 258 | 5.8% |
| May | 330 | 7.4% |
| June | 282 | 6.3% |
| July | 319 | 7.1% |
| Augustpeak | 1,054 | 23.6% |
| Septemberpeak | 1,284 | 28.7% |
| Octoberpeak | 819 | 18.3% |
| November | 110 | 2.5% |
| December | 4 | 0.1% |
Monarch Butterflies you are most likely to see
| Species | Verified observations |
|---|---|
| Monarch | 4,469 |
Weather to expect, source Open-Meteo
Typical weather in Tennessee
Recent typical conditions by month, so you can plan a trip around both when monarch butterflies are active and what the weather is doing. The best months to look for monarch butterflies sit around 53 to 86 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" |
| May | 77°F | 58°F | 5.3" |
| Jun | 84°F | 65°F | 6.2" |
| Jul | 87°F | 70°F | 7.4" |
| Augbest time | 86°F | 69°F | 8.3" |
| Sepbest time | 82°F | 64°F | 3.2" |
| Octbest time | 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 monarch butterflies in Tennessee:
Sightings of monarch butterflies in Tennessee peak in September, when 1,284 of the year's 4,469 verified observations are logged — about 28.7% of the annual total. Activity stays high through September, August and October.
The quietest stretch is February, when monarch butterflies are hardest to find — February sees just 1 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The monarch butterflies you are most likely to encounter in Tennessee are Monarch — 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 monarch butterflies 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 monarch butterflies in Tennessee?+
September is the single best month, and the broader peak window runs through September, August and October, based on 4,469 verified iNaturalist observations.
When are monarch butterflies hardest to see in Tennessee?+
February is the quietest month for monarch butterflies in Tennessee, with only 1 verified records.
Are monarch butterflies active year-round in Tennessee?+
Monarch butterflies are recorded in 12 of 12 months in Tennessee, so they can be seen year-round, with a clear peak in September.
More places to see monarch butterflies
More wildlife in Tennessee