Bats in Delaware in July

Yes, July is one of the best months to see bats in Delaware. It is the 2nd busiest month of the year, with 12 of the 86 sightings logged across the year (14%), based on verified iNaturalist records.

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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 DelawareSilver-haired Bat photographed in DelawareEastern Red Bat photographed in Delaware
Photos by iNaturalist observers, used under Creative Commons.

Peak month for bats in Delaware

14%

of yearly sightings

12

records in July

#2

busiest month of 12

86

verified records a year

June 12.8%, July 14%, August 12.8%. Busiest month is April at 14%.

Best months: April, July, JunePeak season right now

86 verified observations of bats in Delaware, recorded across 12 months of the year on iNaturalist.

When bats are recorded in Delaware

Peak month

April

12 records (14% of the year)

Quietest month

December

1 records

MonthObservationsShare
January55.8%
February33.5%
March22.3%
Aprilpeak1214%
May1011.6%
Junepeak1112.8%
Julypeak1214%
August1112.8%
September67%
October67%
November78.1%
December11.2%

Bats you are most likely to see

SpeciesVerified observations
Eastern Red Bat30
Big Brown Bat20
Silver-haired Bat6
Mouse-eared Bats1

In Delaware, July carries 14% of the year's bats sightings, about 5.7 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 is rising from June (12.8%) into July, and it heads toward August (12.8%) after. This is right inside the peak window, so July is one of the surest months to plan a trip around.

The bats most often recorded in Delaware are Eastern Red Bat, Big Brown Bat and Silver-haired Bat. Those counts are annual totals rather than a July split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in July itself.

Which bats you are most likely to see

  • Eastern Red Bat30 records
  • Big Brown Bat20 records
  • Silver-haired Bat6 records
  • Mouse-eared Bats1 records
Plan your tripCaptain John Smith Chesapeake National Historic Trail

Plan your bat trip in Delaware

Start with live tours near Captain John Smith Chesapeake National Historic Trail, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Gear to see them

Frequently asked questions

Can you see bats in Delaware in July?+

Yes. July accounts for 12 of the 86 verified bats sightings logged in Delaware across the year, which is 14% of the annual total.

Is July a good time to see bats in Delaware?+

July is one of the best months. It ranks 2nd of the year and sits inside the peak window of April, July and June.

What month is best for bats in Delaware?+

April is the single busiest month, with the broader peak running through April, July and June, based on 86 verified observations.

Which bats are you most likely to see in Delaware?+

The most-recorded species in Delaware are Eastern Red Bat, Big Brown Bat and Silver-haired Bat, based on all-time iNaturalist counts.