Jellyfishes in Mississippi in July

Yes, July is one of the best months to see jellyfishes in Mississippi. It is the 1st busiest month of the year, with 62 of the 372 sightings logged across the year (16.7%), based on verified iNaturalist records.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 2, 2026.

Southern Moon Jelly photographed in MississippiSouthern Moon Jelly photographed in MississippiBay Nettle photographed in Mississippi
Photos by iNaturalist observers, used under Creative Commons.

Peak month for jellyfishes in Mississippi

16.7%

of yearly sightings

62

records in July

#1

busiest month of 12

372

verified records a year

June 7.3%, July 16.7%, August 9.7%. Busiest month is July at 16.7%.

Best months: July, September, FebruaryPeak season right now

372 verified observations of jellyfishes in Mississippi, recorded across 12 months of the year on iNaturalist.

When jellyfishes are recorded in Mississippi

Peak month

July

62 records (16.7% of the year)

Quietest month

May

5 records

MonthObservationsShare
January379.9%
Februarypeak4010.8%
March267%
April82.2%
May51.3%
June277.3%
Julypeak6216.7%
August369.7%
Septemberpeak6116.4%
October349.1%
November256.7%
December113%

Jellyfishes you are most likely to see

SpeciesVerified observations
Bay Nettle120
Dwarf Lion's Mane Jelly58
Mushroom Jelly48
Southern Moon Jelly40
Cannonball Jelly15
Atlantic Sea Nettle12
Pink Meanie11

In Mississippi, July carries 16.7% of the year's jellyfishes sightings, about 8.4 points above an even month-to-month split. That makes it the 1st busiest of the twelve months, out of 12 months with recorded activity.

Activity is rising from June (7.3%) into July, and it heads toward August (9.7%) after. This is right inside the peak window, so July is one of the surest months to plan a trip around.

The jellyfishes most often recorded in Mississippi are Bay Nettle, Dwarf Lion's Mane Jelly and Mushroom Jelly. Those counts are annual totals rather than a July split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in July itself.

Which jellyfishes you are most likely to see

  • Bay Nettle120 records
  • Dwarf Lion's Mane Jelly58 records
  • Mushroom Jelly48 records
  • Southern Moon Jelly40 records
  • Cannonball Jelly15 records
  • Atlantic Sea Nettle12 records
Plan your tripGulf Islands National Seashore

Plan your jellyfish trip in Mississippi

Start with live tours near Gulf Islands National Seashore, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Frequently asked questions

Can you see jellyfishes in Mississippi in July?+

Yes. July accounts for 62 of the 372 verified jellyfishes sightings logged in Mississippi across the year, which is 16.7% of the annual total.

Is July a good time to see jellyfishes in Mississippi?+

July is one of the best months. It ranks 1st of the year and sits inside the peak window of July, September and February.

What month is best for jellyfishes in Mississippi?+

July is the single busiest month, with the broader peak running through July, September and February, based on 372 verified observations.

Which jellyfishes are you most likely to see in Mississippi?+

The most-recorded species in Mississippi are Bay Nettle, Dwarf Lion's Mane Jelly and Mushroom Jelly, based on all-time iNaturalist counts.