Bats in California in July

Yes, July is one of the best months to see bats in California. It is the 1st busiest month of the year, with 1,001 of the 7,270 sightings logged across the year (13.8%), 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.

Mexican Free-tailed Bat photographed in CaliforniaCalifornia Leaf-nosed Bat photographed in CaliforniaNorthern Hoary Bat photographed in California
Photos by iNaturalist observers, used under Creative Commons.

Peak month for bats in California

13.8%

of yearly sightings

1,001

records in July

#1

busiest month of 12

7,270

verified records a year

June 10.6%, July 13.8%, August 13.1%. Busiest month is July at 13.8%.

Best months: July, August, SeptemberPeak season right now

7,270 verified observations of bats in California, recorded across 12 months of the year on iNaturalist.

When bats are recorded in California

Peak month

July

1,001 records (13.8% of the year)

Quietest month

December

149 records

MonthObservationsShare
January2313.2%
February2343.2%
March4646.4%
April81811.3%
May73010%
June76710.6%
Julypeak1,00113.8%
Augustpeak95113.1%
Septemberpeak88212.1%
October78210.8%
November2613.6%
December1492%

Bats you are most likely to see

SpeciesVerified observations
Mexican Free-tailed Bat1,061
Pallid Bat420
Canyon Bat415
Big Brown Bat413
Northern Hoary Bat409
Townsend's Big-eared Bat348
California Myotis227
Yuma Myotis225

In California, July carries 13.8% of the year's bats sightings, about 5.5 points above an even month-to-month split. That makes it the 1st busiest of the twelve months, out of 12 months with recorded activity.

Activity is rising from June (10.6%) into July, and it heads toward August (13.1%) 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 California are Mexican Free-tailed Bat, Pallid Bat and Canyon 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

  • Mexican Free-tailed Bat1,061 records
  • Pallid Bat420 records
  • Canyon Bat415 records
  • Big Brown Bat413 records
  • Northern Hoary Bat409 records
  • Townsend's Big-eared Bat348 records
Plan your tripAlcatraz Island

Plan your bat trip in California

Start with live tours near Alcatraz Island, 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 California in July?+

Yes. July accounts for 1,001 of the 7,270 verified bats sightings logged in California across the year, which is 13.8% of the annual total.

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

July is one of the best months. It ranks 1st of the year and sits inside the peak window of July, August and September.

What month is best for bats in California?+

July is the single busiest month, with the broader peak running through July, August and September, based on 7,270 verified observations.

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

The most-recorded species in California are Mexican Free-tailed Bat, Pallid Bat and Canyon Bat, based on all-time iNaturalist counts.