Best Time to See Bats in Wyoming
August, July and June is the best time to see bats in Wyoming. Based on 177 verified iNaturalist observations, here is exactly when bats are most active across the year in Wyoming.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
Mouse-eared Bats · Whitney Brook Matson CC BY
177 verified observations of bats in Wyoming, recorded across 12 months of the year on iNaturalist.
When bats are recorded in Wyoming
Peak month
August
60 records (33.9% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 1 | 0.6% |
| February | 2 | 1.1% |
| March | 1 | 0.6% |
| April | 4 | 2.3% |
| May | 12 | 6.8% |
| Junepeak | 24 | 13.6% |
| Julypeak | 44 | 24.9% |
| Augustpeak | 60 | 33.9% |
| September | 18 | 10.2% |
| October | 5 | 2.8% |
| November | 4 | 2.3% |
| December | 2 | 1.1% |
Bats you are most likely to see
| Species | Verified observations |
|---|---|
| Little Brown Bat | 32 |
| Big Brown Bat | 18 |
| Long-eared Myotis | 12 |
| Western Small-footed Myotis | 9 |
| Townsend's Big-eared Bat | 8 |
| Silver-haired Bat | 5 |
| Northern Hoary Bat | 3 |
| Long-legged Myotis | 2 |
Weather to expect, source Open-Meteo
Typical weather in Wyoming
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 52 to 84 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 27°F | 15°F | 0.9" |
| Feb | 25°F | 9°F | 0.7" |
| Mar | 35°F | 19°F | 1.6" |
| Apr | 45°F | 26°F | 1.9" |
| May | 60°F | 40°F | 2.3" |
| Junbest time | 74°F | 52°F | 1.7" |
| Julbest time | 84°F | 60°F | 0.3" |
| Augbest time | 82°F | 58°F | 0.9" |
| Sep | 72°F | 50°F | 0.8" |
| Oct | 51°F | 33°F | 1.9" |
| Nov | 40°F | 24°F | 0.7" |
| Dec | 30°F | 17°F | 0.5" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Wyoming. Weather varies year to year, so treat these as a guide.
More on bats in Wyoming:
Sightings of bats in Wyoming peak in August, when 60 of the year's 177 verified observations are logged — about 33.9% of the annual total. Activity stays high through August, July and June.
The quietest stretch is January and March, when bats are hardest to find — January sees just 1 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 Wyoming are Little Brown Bat, Big Brown Bat and Long-eared Myotis — 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 Wyoming
- Bighorn Canyon National Recreation Area — National Recreation Area
- Devils Tower National Monument — National Monument
- Fossil Butte National Monument — National Monument
- Grand Teton National Park — National Park
- Yellowstone National Park — National Park
- California National Historic Trail — National Historic Trail
Gear to see them
Frequently asked questions
What is the best month to see bats in Wyoming?+
August is the single best month, and the broader peak window runs through August, July and June, based on 177 verified iNaturalist observations.
When are bats hardest to see in Wyoming?+
January is the quietest month for bats in Wyoming, with only 1 verified records.
Are bats active year-round in Wyoming?+
Bats are recorded in 12 of 12 months in Wyoming, so they can be seen year-round, with a clear peak in August.
More places to see bats
More wildlife in Wyoming