Snakes in Pennsylvania in June

Yes, June is one of the best months to see snakes in Pennsylvania. It is the 2nd busiest month of the year, with 7,174 of the 33,428 sightings logged across the year (21.5%), 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 June 28, 2026.

Eastern Copperhead photographed in PennsylvaniaEastern Copperhead photographed in PennsylvaniaEastern Garter Snake photographed in Pennsylvania
Photos by iNaturalist observers, used under Creative Commons.

Peak month for snakes in Pennsylvania

21.5%

of yearly sightings

7,174

records in June

#2

busiest month of 12

33,428

verified records a year

May 22.4%, June 21.5%, July 11.5%. Busiest month is May at 22.4%.

Best months: May, June, April

33,428 verified observations of snakes in Pennsylvania, recorded across 12 months of the year on iNaturalist.

When snakes are recorded in Pennsylvania

Peak month

May

7,493 records (22.4% of the year)

Quietest month

January

94 records

MonthObservationsShare
January940.3%
February1110.3%
March1,0863.2%
Aprilpeak4,33913%
Maypeak7,49322.4%
Junepeak7,17421.5%
July3,85111.5%
August3,2429.7%
September3,43010.3%
October2,0316.1%
November4451.3%
December1320.4%

Snakes you are most likely to see

SpeciesVerified observations
Common Garter Snake10,751
Common Watersnake4,926
DeKay's Brownsnake2,655
Timber Rattlesnake2,459
Gray Ratsnake2,196
Ring-necked Snake2,141
Eastern Milksnake1,933
Eastern Ratsnake873

In Pennsylvania, June carries 21.5% of the year's snakes sightings, about 13.2 points above an even month-to-month split. That makes it the 2nd busiest of the twelve months, out of 12 months with recorded activity.

Activity holds steady between May and June, and it heads toward July (11.5%) after. This is right inside the peak window, so June is one of the surest months to plan a trip around.

The snakes most often recorded in Pennsylvania are Common Garter Snake, Common Watersnake and DeKay's Brownsnake. Those counts are annual totals rather than a June split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in June itself.

Which snakes you are most likely to see

  • Common Garter Snake10,751 records
  • Common Watersnake4,926 records
  • DeKay's Brownsnake2,655 records
  • Timber Rattlesnake2,459 records
  • Gray Ratsnake2,196 records
  • Ring-necked Snake2,141 records
Plan your tripAppalachian National Scenic Trail

Plan your snake trip in Pennsylvania

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.

Gear to see them

Frequently asked questions

Can you see snakes in Pennsylvania in June?+

Yes. June accounts for 7,174 of the 33,428 verified snakes sightings logged in Pennsylvania across the year, which is 21.5% of the annual total.

Is June a good time to see snakes in Pennsylvania?+

June is one of the best months. It ranks 2nd of the year and sits inside the peak window of May, June and April.

What month is best for snakes in Pennsylvania?+

May is the single busiest month, with the broader peak running through May, June and April, based on 33,428 verified observations.

Which snakes are you most likely to see in Pennsylvania?+

The most-recorded species in Pennsylvania are Common Garter Snake, Common Watersnake and DeKay's Brownsnake, based on all-time iNaturalist counts.