Seals in Connecticut in December
Yes, December is a good month to see seals in Connecticut. It is the 4th busiest month of the year, with 17 of the 128 sightings logged across the year (13.3%), based on verified iNaturalist records.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
Good month for seals in Connecticut
13.3%
of yearly sightings
17
records in December
#4
busiest month of 12
128
verified records a year
November 4.7%, December 13.3%, January 21.1%. Busiest month is January at 21.1%.
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 |
In Connecticut, December carries 13.3% of the year's seals sightings, about 5 points above an even month-to-month split. That makes it the 4th busiest of the twelve months, out of 11 months with recorded activity.
Activity is rising from November (4.7%) into December, and it heads toward January (21.1%) after. The busiest month is January (21.1%), so if timing is flexible, that window is the safer bet.
The seals most often recorded in Connecticut are Harbor Seal, Grey Seal and Harp Seal. Those counts are annual totals rather than a December split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in December itself.
Which seals you are most likely to see
- Harbor Seal90 records
- Grey Seal25 records
- Harp Seal5 records
Plan your seal trip in Connecticut
Start with live tours near Appalachian National Scenic Trail, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
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Use the live GetYourGuide widget to compare local departures and activity styles close to the main seal viewing area.
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Frequently asked questions
Can you see seals in Connecticut in December?+
Yes. December accounts for 17 of the 128 verified seals sightings logged in Connecticut across the year, which is 13.3% of the annual total.
Is December a good time to see seals in Connecticut?+
December is the 4th busiest month. It is workable, though January and February is the stronger window for a reliable sighting.
What month is best for seals in Connecticut?+
January is the single busiest month, with the broader peak running through January, February and March, based on 128 verified observations.
Which seals are you most likely to see in Connecticut?+
The most-recorded species in Connecticut are Harbor Seal, Grey Seal and Harp Seal, based on all-time iNaturalist counts.
See seals in Connecticut in other months
More wildlife in Connecticut