Seals in New Hampshire in May
Yes, May is one of the best months to see seals in New Hampshire. It is the 3rd busiest month of the year, with 8 of the 69 sightings logged across the year (11.6%), 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.
Peak month for seals in New Hampshire
11.6%
of yearly sightings
8
records in May
#3
busiest month of 12
69
verified records a year
April 1.4%, May 11.6%, June 5.8%. Busiest month is February at 13%.
69 verified observations of seals in New Hampshire, recorded across 12 months of the year on iNaturalist.
When seals are recorded in New Hampshire
Peak month
February
9 records (13% of the year)
| Month | Observations | Share |
|---|---|---|
| Januarypeak | 8 | 11.6% |
| Februarypeak | 9 | 13% |
| March | 2 | 2.9% |
| April | 1 | 1.4% |
| Maypeak | 8 | 11.6% |
| June | 4 | 5.8% |
| July | 6 | 8.7% |
| August | 8 | 11.6% |
| September | 2 | 2.9% |
| October | 6 | 8.7% |
| November | 7 | 10.1% |
| December | 8 | 11.6% |
Seals you are most likely to see
| Species | Verified observations |
|---|---|
| Harbor Seal | 54 |
| Grey Seal | 9 |
| Harp Seal | 3 |
In New Hampshire, May carries 11.6% of the year's seals sightings, about 3.3 points above an even month-to-month split. That makes it the 3rd busiest of the twelve months, out of 12 months with recorded activity.
Activity is rising from April (1.4%) into May, and it heads toward June (5.8%) after. This is right inside the peak window, so May is one of the surest months to plan a trip around.
The seals most often recorded in New Hampshire are Harbor Seal, Grey Seal and Harp Seal. Those counts are annual totals rather than a May split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in May itself.
Which seals you are most likely to see
- Harbor Seal54 records
- Grey Seal9 records
- Harp Seal3 records
Plan your seal trip in New Hampshire
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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Live tours nearbySee live tours near Appalachian National Scenic Trail
Use the live GetYourGuide widget to compare local departures and activity styles close to the main seal viewing area.
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Stay nearbyStay near Appalachian National Scenic Trail
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Frequently asked questions
Can you see seals in New Hampshire in May?+
Yes. May accounts for 8 of the 69 verified seals sightings logged in New Hampshire across the year, which is 11.6% of the annual total.
Is May a good time to see seals in New Hampshire?+
May is one of the best months. It ranks 3rd of the year and sits inside the peak window of February, January and May.
What month is best for seals in New Hampshire?+
February is the single busiest month, with the broader peak running through February, January and May, based on 69 verified observations.
Which seals are you most likely to see in New Hampshire?+
The most-recorded species in New Hampshire are Harbor Seal, Grey Seal and Harp Seal, based on all-time iNaturalist counts.
See seals in New Hampshire in other months
More wildlife in New Hampshire