Best Time to See Bears in Massachusetts
May, June and July is the best time to see bears in Massachusetts. Based on 1,047 verified iNaturalist observations, here is exactly when bears are most active across the year in Massachusetts.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

American Black Bear · btk CC BY-ND

American Black Bear · Public domain CC0

American Black Bear · Zac Peterson CC BY
1,047 verified observations of bears in Massachusetts, recorded across 12 months of the year on iNaturalist.
When bears are recorded in Massachusetts
Peak month
May
195 records (18.6% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 11 | 1.1% |
| February | 7 | 0.7% |
| March | 45 | 4.3% |
| April | 99 | 9.5% |
| Maypeak | 195 | 18.6% |
| Junepeak | 193 | 18.4% |
| Julypeak | 152 | 14.5% |
| August | 110 | 10.5% |
| September | 101 | 9.6% |
| October | 77 | 7.4% |
| November | 38 | 3.6% |
| December | 19 | 1.8% |
Bears you are most likely to see
| Species | Verified observations |
|---|---|
| American Black Bear | 1,047 |
Weather to expect, source Open-Meteo
Typical weather in Massachusetts
Recent typical conditions by month, so you can plan a trip around both when bears are active and what the weather is doing. The best months to look for bears sit around 47 to 83 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 37°F | 22°F | 3.8" |
| Feb | 39°F | 22°F | 3.4" |
| Mar | 48°F | 28°F | 3.6" |
| Apr | 57°F | 38°F | 4.6" |
| Maybest time | 68°F | 47°F | 3.4" |
| Junbest time | 78°F | 58°F | 3.6" |
| Julbest time | 83°F | 65°F | 5.4" |
| Aug | 82°F | 64°F | 3.5" |
| Sep | 73°F | 56°F | 5.3" |
| Oct | 62°F | 47°F | 5.3" |
| Nov | 50°F | 34°F | 3.1" |
| Dec | 42°F | 27°F | 5.9" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Massachusetts. Weather varies year to year, so treat these as a guide.
More on bears in Massachusetts:
Sightings of bears in Massachusetts peak in May, when 195 of the year's 1,047 verified observations are logged — about 18.6% of the annual total. Activity stays high through May, June and July.
The quietest stretch is February, when bears are hardest to find — February sees just 7 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The bears you are most likely to encounter in Massachusetts are American Black Bear — 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 bears in Massachusetts
- Appalachian National Scenic Trail — National Scenic Trail
- Blackstone River Valley National Historical Park — National Historical Park
- Boston Harbor Islands National Recreation Area — National Recreation Area
- Cape Cod National Seashore — National Seashore
- Adams National Historical Park — National Historical Park
- Boston African American National Historic Site — National Historic Site
Gear to see them
Frequently asked questions
What is the best month to see bears in Massachusetts?+
May is the single best month, and the broader peak window runs through May, June and July, based on 1,047 verified iNaturalist observations.
When are bears hardest to see in Massachusetts?+
February is the quietest month for bears in Massachusetts, with only 7 verified records.
Are bears active year-round in Massachusetts?+
Bears are recorded in 12 of 12 months in Massachusetts, so they can be seen year-round, with a clear peak in May.
More places to see bears
More wildlife in Massachusetts