Best Time to See Bats in Rhode Island
May, July and April is the best time to see bats in Rhode Island. Based on 43 verified iNaturalist observations, here is exactly when bats are most active across the year in Rhode Island.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
Big Brown Bat · Alan Kneidel CC BY
43 verified observations of bats in Rhode Island, recorded across 9 months of the year on iNaturalist.
When bats are recorded in Rhode Island
Peak month
May
8 records (18.6% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 1 | 2.3% |
| March | 3 | 7% |
| Aprilpeak | 6 | 14% |
| Maypeak | 8 | 18.6% |
| June | 4 | 9.3% |
| Julypeak | 8 | 18.6% |
| August | 6 | 14% |
| September | 5 | 11.6% |
| October | 0 | 0% |
| November | 2 | 4.7% |
| December | 0 | 0% |
Bats you are most likely to see
| Species | Verified observations |
|---|---|
| Big Brown Bat | 18 |
| Eastern Red Bat | 12 |
| Mouse-eared Bats | 3 |
Weather to expect, source Open-Meteo
Typical weather in Rhode Island
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 40 to 83 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 39°F | 25°F | 4.3" |
| Feb | 41°F | 25°F | 4" |
| Mar | 49°F | 31°F | 4" |
| Aprbest time | 57°F | 40°F | 5.2" |
| Maybest time | 67°F | 49°F | 4" |
| Jun | 77°F | 59°F | 3.7" |
| Julbest time | 83°F | 67°F | 4.9" |
| Aug | 81°F | 66°F | 3.7" |
| Sep | 74°F | 59°F | 5" |
| Oct | 64°F | 50°F | 5.9" |
| Nov | 52°F | 37°F | 3.6" |
| Dec | 44°F | 30°F | 6.5" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Rhode Island. Weather varies year to year, so treat these as a guide.
Sightings of bats in Rhode Island peak in May, when 8 of the year's 43 verified observations are logged — about 18.6% of the annual total. Activity stays high through May, July and April.
The quietest stretch is January, October and December, 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 Rhode Island are Big Brown Bat, Eastern Red Bat and Mouse-eared Bats — 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 Rhode Island
- Blackstone River Valley National Historical Park — National Historical Park
- Roger Williams National Memorial — National Memorial
- Touro Synagogue National Historic Site — National Historic Site
- Washington-Rochambeau Revolutionary Route National Historic Trail — National Historic Trail
Gear to see them
Frequently asked questions
What is the best month to see bats in Rhode Island?+
May is the single best month, and the broader peak window runs through May, July and April, based on 43 verified iNaturalist observations.
When are bats hardest to see in Rhode Island?+
January is the quietest month for bats in Rhode Island, with no verified records on iNaturalist.
Are bats active year-round in Rhode Island?+
Bats are recorded in 9 of 12 months in Rhode Island, concentrated around May and July.
More places to see bats
More wildlife in Rhode Island