Best Time to See Bats in Alaska
August, July and May is the best time to see bats in Alaska. Based on 75 verified iNaturalist observations, here is exactly when bats are most active across the year in Alaska.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 2, 2026.
Little Brown Bat · Matt Muir CC BY
75 verified observations of bats in Alaska, recorded across 10 months of the year on iNaturalist.
When bats are recorded in Alaska
Peak month
August
21 records (28% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 0 | 0% |
| March | 4 | 5.3% |
| April | 3 | 4% |
| Maypeak | 12 | 16% |
| June | 6 | 8% |
| Julypeak | 17 | 22.7% |
| Augustpeak | 21 | 28% |
| September | 7 | 9.3% |
| October | 3 | 4% |
| November | 1 | 1.3% |
| December | 1 | 1.3% |
Bats you are most likely to see
| Species | Verified observations |
|---|---|
| Little Brown Bat | 47 |
| Silver-haired Bat | 2 |
| California Myotis | 1 |
Weather to expect, source Open-Meteo
Typical weather in Alaska
Recent typical conditions by month, so you can plan a trip around both when bats are active and what the weather is doing. The best months to look for bats sit around 41 to 69 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 20°F | 11°F | 1.8" |
| Feb | 24°F | 14°F | 2.4" |
| Mar | 33°F | 19°F | 1.7" |
| Apr | 44°F | 27°F | 1.3" |
| Maybest time | 58°F | 41°F | 1.8" |
| Jun | 67°F | 50°F | 1.2" |
| Julbest time | 69°F | 54°F | 3.5" |
| Augbest time | 66°F | 52°F | 4.5" |
| Sep | 55°F | 43°F | 5.2" |
| Oct | 42°F | 32°F | 3.7" |
| Nov | 27°F | 18°F | 3.6" |
| Dec | 22°F | 12°F | 3.1" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Alaska. Weather varies year to year, so treat these as a guide.
Sightings of bats in Alaska peak in August, when 21 of the year's 75 verified observations are logged — about 28% of the annual total. Activity stays high through August, July and May.
The quietest stretch is January, February and November, when bats are hardest to find — no verified records exist for January. If a reliable sighting matters, plan around the peak window rather than the off-season.
The bats you are most likely to encounter in Alaska are Little Brown Bat, Silver-haired Bat and California Myotis — 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 Alaska
- Alagnak Wild River — Wild River
- Aleutian Islands World War II National Historic Area — National Historic Area
- Aniakchak National Monument & Preserve — National Monument & Preserve
- Bering Land Bridge National Preserve — National Preserve
- Cape Krusenstern National Monument — National Monument
- Denali National Park & Preserve — National Park & Preserve
Gear to see them
Frequently asked questions
What is the best month to see bats in Alaska?+
August is the single best month, and the broader peak window runs through August, July and May, based on 75 verified iNaturalist observations.
When are bats hardest to see in Alaska?+
January is the quietest month for bats in Alaska, with no verified records on iNaturalist.
Are bats active year-round in Alaska?+
Bats are recorded in 10 of 12 months in Alaska, concentrated around August and July.
More places to see bats
More wildlife in Alaska