Best Time to See Bats in Hawaii
October, November and December is the best time to see bats in Hawaii. Based on 69 verified iNaturalist observations, here is exactly when bats are most active across the year in Hawaii.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
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)
| Month | Observations | Share |
|---|---|---|
| January | 3 | 4.3% |
| February | 2 | 2.9% |
| March | 2 | 2.9% |
| April | 4 | 5.8% |
| May | 7 | 10.1% |
| June | 0 | 0% |
| July | 1 | 1.4% |
| August | 3 | 4.3% |
| September | 5 | 7.2% |
| Octoberpeak | 26 | 37.7% |
| Novemberpeak | 8 | 11.6% |
| Decemberpeak | 8 | 11.6% |
Bats you are most likely to see
| Species | Verified observations |
|---|---|
| Hawaiian Hoary Bat | 63 |
Sightings of bats in Hawaii peak in October, when 26 of the year's 69 verified observations are logged — about 37.7% of the annual total. Activity stays high through October, November and December.
The quietest stretch is June and July, when bats are hardest to find — no verified records exist for June. If a reliable sighting matters, plan around the peak window rather than the off-season.
The bats you are most likely to encounter in Hawaii are Hawaiian Hoary 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 Hawaii
- Ala Kahakai National Historic Trail — National Historic Trail
- Hawaiʻi Volcanoes National Park — National Park
- Kaloko-Honokōhau National Historical Park — National Historical Park
- Puʻuhonua o Hōnaunau National Historical Park — National Historical Park
- Puʻukoholā Heiau National Historic Site — National Historic Site
- Haleakalā National Park — National Park
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.
GetYourGuide
Live tours nearbySee live tours near Ala Kahakai National Historic Trail
Use the live GetYourGuide widget to compare local departures and activity styles close to the main bat viewing area.
Booking.com
Stay nearbyStay near Ala Kahakai National Historic Trail
Compare hotels, cabins and lodges close to the best bat viewing area in Hawaii.
Viator
Broader backupBook a bat tour in Hawaii
Compare guided wildlife tours, boat trips and nature experiences if you want a second travel network beyond the live widget.
Gear to see them
Frequently asked questions
What is the best month to see bats in Hawaii?+
October is the single best month, and the broader peak window runs through October, November and December, based on 69 verified iNaturalist observations.
When are bats hardest to see in Hawaii?+
June is the quietest month for bats in Hawaii, with no verified records on iNaturalist.
Are bats active year-round in Hawaii?+
Bats are recorded in 11 of 12 months in Hawaii, so they can be seen year-round, with a clear peak in October.