Best Time to See Seals in Connecticut
January, February and March is the best time to see seals in Connecticut. Based on 128 verified iNaturalist observations, here is exactly when seals are most active across the year in Connecticut.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
128 verified observations of seals in Connecticut, recorded across 11 months of the year on iNaturalist.
When seals are recorded in Connecticut
Peak month
January
27 records (21.1% of the year)
| Month | Observations | Share |
|---|---|---|
| Januarypeak | 27 | 21.1% |
| Februarypeak | 25 | 19.5% |
| Marchpeak | 24 | 18.8% |
| April | 15 | 11.7% |
| May | 2 | 1.6% |
| June | 0 | 0% |
| July | 5 | 3.9% |
| August | 1 | 0.8% |
| September | 3 | 2.3% |
| October | 3 | 2.3% |
| November | 6 | 4.7% |
| December | 17 | 13.3% |
Seals you are most likely to see
| Species | Verified observations |
|---|---|
| Harbor Seal | 90 |
| Grey Seal | 25 |
| Harp Seal | 5 |
Weather to expect, source Open-Meteo
Typical weather in Connecticut
Recent typical conditions by month, so you can plan a trip around both when seals are active and what the weather is doing. The best months to look for seals sit around 24 to 49 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Janbest time | 39°F | 24°F | 4.2" |
| Febbest time | 41°F | 24°F | 3.6" |
| Marbest time | 49°F | 30°F | 4.2" |
| Apr | 58°F | 39°F | 5.5" |
| May | 68°F | 48°F | 4" |
| Jun | 78°F | 59°F | 3.6" |
| Jul | 84°F | 66°F | 5.2" |
| Aug | 82°F | 65°F | 4.1" |
| Sep | 74°F | 58°F | 5.9" |
| Oct | 64°F | 48°F | 5.6" |
| Nov | 51°F | 35°F | 3.1" |
| Dec | 43°F | 29°F | 5.9" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Connecticut. Weather varies year to year, so treat these as a guide.
More on seals in Connecticut:
Sightings of seals in Connecticut peak in January, when 27 of the year's 128 verified observations are logged — about 21.1% of the annual total. Activity stays high through January, February and March.
The quietest stretch is June and August, when seals 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 seals you are most likely to encounter in Connecticut are Harbor Seal, Grey Seal and Harp Seal — 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 seals in Connecticut
- Appalachian National Scenic Trail — National Scenic Trail
- Coltsville National Historical Park — National Historical Park
- New England National Scenic Trail — National Scenic Trail
- Washington-Rochambeau Revolutionary Route National Historic Trail — National Historic Trail
- Weir Farm National Historical Park — National Historical Park
Frequently asked questions
What is the best month to see seals in Connecticut?+
January is the single best month, and the broader peak window runs through January, February and March, based on 128 verified iNaturalist observations.
When are seals hardest to see in Connecticut?+
June is the quietest month for seals in Connecticut, with no verified records on iNaturalist.
Are seals active year-round in Connecticut?+
Seals are recorded in 11 of 12 months in Connecticut, so they can be seen year-round, with a clear peak in January.
More places to see seals
More wildlife in Connecticut