Jellyfishes in New Hampshire in August
Yes, August is a good month to see jellyfishes in New Hampshire. It is the 4th busiest month of the year, with 8 of the 56 sightings logged across the year (14.3%), 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 jellyfishes in New Hampshire
14.3%
of yearly sightings
8
records in August
#4
busiest month of 12
56
verified records a year
July 26.8%, August 14.3%, September 0%. Busiest month is June at 37.5%.
56 verified observations of jellyfishes in New Hampshire, recorded across 4 months of the year on iNaturalist.
When jellyfishes are recorded in New Hampshire
Peak month
June
21 records (37.5% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 0 | 0% |
| March | 0 | 0% |
| April | 0 | 0% |
| Maypeak | 12 | 21.4% |
| Junepeak | 21 | 37.5% |
| Julypeak | 15 | 26.8% |
| August | 8 | 14.3% |
| September | 0 | 0% |
| October | 0 | 0% |
| November | 0 | 0% |
| December | 0 | 0% |
Jellyfishes you are most likely to see
| Species | Verified observations |
|---|---|
| Atlantic Lion's Mane Jelly | 18 |
| Common Moon Jelly | 2 |
| Sea Nettles | 1 |
| Lion's Mane Jelly | 1 |
| Purple-striped Jellies | 1 |
In New Hampshire, August carries 14.3% of the year's jellyfishes sightings, about 6 points above an even month-to-month split. That makes it the 4th busiest of the twelve months, out of 4 months with recorded activity.
Activity is easing off from July (26.8%) into August, and it heads toward September (0%) after. The busiest month is June (37.5%), so if timing is flexible, that window is the safer bet.
The jellyfishes most often recorded in New Hampshire are Atlantic Lion's Mane Jelly, Common Moon Jelly and Sea Nettles. Those counts are annual totals rather than a August split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in August itself.
Which jellyfishes you are most likely to see
- Atlantic Lion's Mane Jelly18 records
- Common Moon Jelly2 records
- Sea Nettles1 records
- Lion's Mane Jelly1 records
- Purple-striped Jellies1 records
Plan your jellyfish 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.
GetYourGuide
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 jellyfish viewing area.
Booking.com
Stay nearbyStay near Appalachian National Scenic Trail
Compare hotels, cabins and lodges close to the best jellyfish viewing area in New Hampshire.
Viator
Broader backupBook a jellyfish tour in New Hampshire
Compare guided wildlife tours, boat trips and nature experiences if you want a second travel network beyond the live widget.
Frequently asked questions
Can you see jellyfishes in New Hampshire in August?+
Yes. August accounts for 8 of the 56 verified jellyfishes sightings logged in New Hampshire across the year, which is 14.3% of the annual total.
Is August a good time to see jellyfishes in New Hampshire?+
August is the 4th busiest month. It is workable, though June and July is the stronger window for a reliable sighting.
What month is best for jellyfishes in New Hampshire?+
June is the single busiest month, with the broader peak running through June, July and May, based on 56 verified observations.
Which jellyfishes are you most likely to see in New Hampshire?+
The most-recorded species in New Hampshire are Atlantic Lion's Mane Jelly, Common Moon Jelly and Sea Nettles, based on all-time iNaturalist counts.
See jellyfishes in New Hampshire in other months
More places to see jellyfishes
More wildlife in New Hampshire