Bats in Colorado in August
Yes, August is one of the best months to see bats in Colorado. It is the 2nd busiest month of the year, with 193 of the 861 sightings logged across the year (22.4%), based on verified iNaturalist records.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
Peak month for bats in Colorado
22.4%
of yearly sightings
193
records in August
#2
busiest month of 12
861
verified records a year
July 22.8%, August 22.4%, September 13%. Busiest month is July at 22.8%.
861 verified observations of bats in Colorado, recorded across 12 months of the year on iNaturalist.
When bats are recorded in Colorado
Peak month
July
196 records (22.8% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 5 | 0.6% |
| February | 7 | 0.8% |
| March | 21 | 2.4% |
| April | 45 | 5.2% |
| May | 116 | 13.5% |
| Junepeak | 134 | 15.6% |
| Julypeak | 196 | 22.8% |
| Augustpeak | 193 | 22.4% |
| September | 112 | 13% |
| October | 22 | 2.6% |
| November | 7 | 0.8% |
| December | 3 | 0.3% |
Bats you are most likely to see
| Species | Verified observations |
|---|---|
| Big Brown Bat | 149 |
| Little Brown Bat | 81 |
| Silver-haired Bat | 45 |
| Northern Hoary Bat | 31 |
| Western Small-footed Myotis | 29 |
| Townsend's Big-eared Bat | 26 |
| Long-eared Myotis | 20 |
| Mexican Free-tailed Bat | 12 |
In Colorado, August carries 22.4% of the year's bats sightings, about 14.1 points above an even month-to-month split. That makes it the 2nd busiest of the twelve months, out of 12 months with recorded activity.
Activity holds steady between July and August, and it heads toward September (13%) after. This is right inside the peak window, so August is one of the surest months to plan a trip around.
The bats most often recorded in Colorado are Big Brown Bat, Little Brown Bat and Silver-haired Bat. Those counts are annual totals rather than a August split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in August itself.
Which bats you are most likely to see
- Big Brown Bat149 records
- Little Brown Bat81 records
- Silver-haired Bat45 records
- Northern Hoary Bat31 records
- Western Small-footed Myotis29 records
- Townsend's Big-eared Bat26 records
Plan your bat trip in Colorado
Start with live tours near Bent's Old Fort National Historic Site, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
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Live tours nearbySee live tours near Bent's Old Fort National Historic Site
Use the live GetYourGuide widget to compare local departures and activity styles close to the main bat viewing area.
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Compare guided wildlife tours, boat trips and nature experiences if you want a second travel network beyond the live widget.
Gear to see them
Frequently asked questions
Can you see bats in Colorado in August?+
Yes. August accounts for 193 of the 861 verified bats sightings logged in Colorado across the year, which is 22.4% of the annual total.
Is August a good time to see bats in Colorado?+
August is one of the best months. It ranks 2nd of the year and sits inside the peak window of July, August and June.
What month is best for bats in Colorado?+
July is the single busiest month, with the broader peak running through July, August and June, based on 861 verified observations.
Which bats are you most likely to see in Colorado?+
The most-recorded species in Colorado are Big Brown Bat, Little Brown Bat and Silver-haired Bat, based on all-time iNaturalist counts.
See bats in Colorado in other months
More places to see bats
More wildlife in Colorado