Bats in Hawaii in December

Yes, December is one of the best months to see bats in Hawaii. It is the 3rd busiest month of the year, with 8 of the 69 sightings logged across the year (11.6%), 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.

Peak month for bats in Hawaii

11.6%

of yearly sightings

8

records in December

#3

busiest month of 12

69

verified records a year

November 11.6%, December 11.6%, January 4.3%. Busiest month is October at 37.7%.

Best months: October, November, December

69 verified observations of bats in Hawaii, recorded across 11 months of the year on iNaturalist.

When bats are recorded in Hawaii

Peak month

October

26 records (37.7% of the year)

Quietest month

June

No verified records

MonthObservationsShare
January34.3%
February22.9%
March22.9%
April45.8%
May710.1%
June00%
July11.4%
August34.3%
September57.2%
Octoberpeak2637.7%
Novemberpeak811.6%
Decemberpeak811.6%

Bats you are most likely to see

SpeciesVerified observations
Hawaiian Hoary Bat63

In Hawaii, December carries 11.6% of the year's bats sightings, about 3.3 points above an even month-to-month split. That makes it the 3rd busiest of the twelve months, out of 11 months with recorded activity.

Activity holds steady between November and December, and it heads toward January (4.3%) after. This is right inside the peak window, so December is one of the surest months to plan a trip around.

The bats most often recorded in Hawaii are Hawaiian Hoary Bat. Those counts are annual totals rather than a December split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in December itself.

Which bats you are most likely to see

  • Hawaiian Hoary Bat63 records
Plan your tripAla Kahakai National Historic Trail

Plan your bat trip in Hawaii

Start with live tours near Ala Kahakai 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 Hawaii in December?+

Yes. December accounts for 8 of the 69 verified bats sightings logged in Hawaii across the year, which is 11.6% of the annual total.

Is December a good time to see bats in Hawaii?+

December is one of the best months. It ranks 3rd of the year and sits inside the peak window of October, November and December.

What month is best for bats in Hawaii?+

October is the single busiest month, with the broader peak running through October, November and December, based on 69 verified observations.

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

The most-recorded species in Hawaii are Hawaiian Hoary Bat, based on all-time iNaturalist counts.