Best Time to See Bats in the US

August, July and June is the best time to see bats in the United States. This is a national picture built from 49,184 verified iNaturalist observations across 50 states, showing when and where bats are most active.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself.

Best months: August, July, JunePeak season right now

49,184 verified observations of bats in the US, recorded across 12 months of the year on iNaturalist.

When bats are recorded in the US

Peak month

August

6,607 records (13.4% of the year)

Quietest month

December

1,452 records

MonthObservationsShare
January1,6383.3%
February2,1164.3%
March3,4757.1%
April5,43311%
May5,58411.4%
Junepeak5,66311.5%
Julypeak6,32012.8%
Augustpeak6,60713.4%
September4,97810.1%
October3,7987.7%
November2,1204.3%
December1,4523%

Bats you are most likely to see

SpeciesVerified observations
Big Brown Bat8,452
Mexican Free-tailed Bat4,790
Eastern Red Bat4,136
Tri-coloured Bat2,954
Silver-haired Bat1,701
Northern Hoary Bat1,312
Evening Bat1,195
Pallid Bat1,153

Across the country, bats sightings peak in August, when 6,607 of the 49,184 annual observations are logged, about 13.4% of the national total. Nationwide activity stays high through August, July and June.

The best states to see bats by recorded sightings are California (7,270), Texas (5,527), Arizona (3,185), Florida (2,755) and Ohio (1,916). Each state page below breaks the year down month by month for that state.

The bats you are most likely to encounter nationwide are Big Brown Bat, Mexican Free-tailed Bat and Eastern Red Bat, the most-recorded species across all states combined.

Best states to see bats

Most-recorded bats species nationwide

  • Big Brown Bat8,452 records
  • Mexican Free-tailed Bat4,790 records
  • Eastern Red Bat4,136 records
  • Tri-coloured Bat2,954 records
  • Silver-haired Bat1,701 records
  • Northern Hoary Bat1,312 records
Plan your tripCalifornia

Plan your bat trip in California

Start with live tours near California, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Gear to see them

Frequently asked questions

When is the best time to see bats in the US?+

August is the single best month nationwide, with the broader peak running through August, July and June, based on 49,184 verified observations across 50 states.

Which states are best for seeing bats?+

By recorded sightings, the top states are California, Texas and Arizona. California leads with 7,270 verified observations.

How many bats sightings are recorded in the US each year?+

About 49,184 verified bats observations are logged on iNaturalist across 50 states with enough data to chart a seasonal pattern.

What kinds of bats live in the US?+

The most-recorded species nationwide are Big Brown Bat, Mexican Free-tailed Bat and Eastern Red Bat, based on all-time iNaturalist counts.