Best Time to See Bats in Ohio

July, June and May is the best time to see bats in Ohio. Based on 1,916 verified iNaturalist observations, here is exactly when bats are most active across the year in Ohio.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

Eastern Red Bat photographed in OhioEastern Red Bat photographed in OhioEastern Red Bat photographed in Ohio
Photos by iNaturalist observers, used under Creative Commons.
Best months: July, June, MayPeak season right now

1,916 verified observations of bats in Ohio, recorded across 12 months of the year on iNaturalist.

When bats are recorded in Ohio

Peak month

July

490 records (25.6% of the year)

Quietest month

December

28 records

MonthObservationsShare
January341.8%
February321.7%
March975.1%
April1859.7%
Maypeak23912.5%
Junepeak28915.1%
Julypeak49025.6%
August20210.5%
September1507.8%
October995.2%
November713.7%
December281.5%

Bats you are most likely to see

SpeciesVerified observations
Big Brown Bat762
Eastern Red Bat385
Silver-haired Bat140
Northern Hoary Bat93
Tri-coloured Bat58
Little Brown Bat54
Northern Myotis21
Evening Bat19

Sightings of bats in Ohio peak in July, when 490 of the year's 1,916 verified observations are logged — about 25.6% of the annual total. Activity stays high through July, June and May.

The quietest stretch is December, February and January, when bats are hardest to find — December sees just 28 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 Ohio are Big Brown Bat, Eastern Red Bat and Silver-haired Bat — 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 Ohio

  • Cuyahoga Valley National ParkNational Park
  • Lewis & Clark National Historic TrailNational Historic Trail
  • North Country National Scenic TrailNational Scenic Trail
  • Perry's Victory & International Peace MemorialMemorial
  • Charles Young Buffalo Soldiers National MonumentNational Monument
  • Dayton Aviation Heritage National Historical ParkNational Historical Park
Plan your tripCuyahoga Valley National Park

Plan your bat trip in Ohio

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

Gear to see them

Frequently asked questions

What is the best month to see bats in Ohio?+

July is the single best month, and the broader peak window runs through July, June and May, based on 1,916 verified iNaturalist observations.

When are bats hardest to see in Ohio?+

December is the quietest month for bats in Ohio, with only 28 verified records.

Are bats active year-round in Ohio?+

Bats are recorded in 12 of 12 months in Ohio, so they can be seen year-round, with a clear peak in July.