Best Time to See Great White Sharks in Massachusetts
August, September and July is the best time to see great white sharks in Massachusetts. Based on 42 verified iNaturalist observations, here is exactly when great white sharks 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 July 10, 2026.
42 verified observations of great white sharks in Massachusetts, recorded across 5 months of the year on iNaturalist.
When great white sharks are recorded in Massachusetts
Peak month
August
19 records (45.2% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 0 | 0% |
| March | 0 | 0% |
| April | 0 | 0% |
| May | 1 | 2.4% |
| June | 2 | 4.8% |
| Julypeak | 9 | 21.4% |
| Augustpeak | 19 | 45.2% |
| Septemberpeak | 11 | 26.2% |
| October | 0 | 0% |
| November | 0 | 0% |
| December | 0 | 0% |
Great White Sharks you are most likely to see
| Species | Verified observations |
|---|---|
| Great White Shark | 42 |
Weather to expect, source Open-Meteo
Typical weather in Massachusetts
Recent typical conditions by month, so you can plan a trip around both when great white sharks are active and what the weather is doing. The best months to look for great white sharks sit around 56 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" |
| May | 68°F | 47°F | 3.4" |
| Jun | 78°F | 58°F | 3.6" |
| Julbest time | 83°F | 65°F | 5.4" |
| Augbest time | 82°F | 64°F | 3.5" |
| Sepbest time | 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 great white sharks in Massachusetts:
Sightings of great white sharks in Massachusetts peak in August, when 19 of the year's 42 verified observations are logged — about 45.2% of the annual total. Activity stays high through August, September and July.
The quietest stretch is January, February and March, when great white sharks 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 great white sharks you are most likely to encounter in Massachusetts are Great White Shark — 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 great white sharks 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
Frequently asked questions
What is the best month to see great white sharks in Massachusetts?+
August is the single best month, and the broader peak window runs through August, September and July, based on 42 verified iNaturalist observations.
When are great white sharks hardest to see in Massachusetts?+
January is the quietest month for great white sharks in Massachusetts, with no verified records on iNaturalist.
Are great white sharks active year-round in Massachusetts?+
Great white sharks are recorded in 5 of 12 months in Massachusetts, concentrated around August and September.
More places to see great white sharks
More wildlife in Massachusetts