Best Time to See Snakes in New Jersey
May, June and April is the best time to see snakes in New Jersey. Based on 13,289 verified iNaturalist observations, here is exactly when snakes are most active across the year in New Jersey.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

Eastern Kingsnake · Samuel Paul Galick CC BY

Common Watersnake · Alie / C.A. Kratzer CC BY-SA

Timber Rattlesnake · geosesarma CC BY
13,289 verified observations of snakes in New Jersey, recorded across 12 months of the year on iNaturalist.
When snakes are recorded in New Jersey
Peak month
May
3,216 records (24.2% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 47 | 0.4% |
| February | 52 | 0.4% |
| March | 668 | 5% |
| Aprilpeak | 2,025 | 15.2% |
| Maypeak | 3,216 | 24.2% |
| Junepeak | 2,286 | 17.2% |
| July | 1,115 | 8.4% |
| August | 1,094 | 8.2% |
| September | 1,294 | 9.7% |
| October | 1,125 | 8.5% |
| November | 297 | 2.2% |
| December | 70 | 0.5% |
Snakes you are most likely to see
| Species | Verified observations |
|---|---|
| Common Garter Snake | 4,108 |
| Common Watersnake | 2,767 |
| Central Ratsnake | 1,644 |
| North American Racer | 792 |
| DeKay's Brownsnake | 766 |
| Eastern Milksnake | 514 |
| Ring-necked Snake | 452 |
| Common Wormsnake | 327 |
Weather to expect, source Open-Meteo
Typical weather in New Jersey
Recent typical conditions by month, so you can plan a trip around both when snakes are active and what the weather is doing. The best months to look for snakes sit around 44 to 82 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 43°F | 28°F | 3.4" |
| Feb | 45°F | 29°F | 3.5" |
| Mar | 54°F | 35°F | 4.3" |
| Aprbest time | 63°F | 44°F | 4.6" |
| Maybest time | 72°F | 53°F | 4.1" |
| Junbest time | 82°F | 63°F | 4.1" |
| Jul | 88°F | 70°F | 5.2" |
| Aug | 85°F | 69°F | 4.3" |
| Sep | 78°F | 61°F | 4.4" |
| Oct | 68°F | 52°F | 4.7" |
| Nov | 55°F | 39°F | 3" |
| Dec | 46°F | 32°F | 4.6" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for New Jersey. Weather varies year to year, so treat these as a guide.
More on snakes in New Jersey:
Sightings of snakes in New Jersey peak in May, when 3,216 of the year's 13,289 verified observations are logged — about 24.2% of the annual total. Activity stays high through May, June and April.
The quietest stretch is January, February and December, when snakes are hardest to find — January sees just 47 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The snakes you are most likely to encounter in New Jersey are Common Garter Snake, Common Watersnake and Central Ratsnake — the most-recorded species in the state. Each keeps its own seasonal rhythm, but the month-by-month pattern above reflects every reported sighting together.
Where to go
Best places to see snakes in New Jersey
- Appalachian National Scenic Trail — National Scenic Trail
- Delaware Water Gap National Recreation Area — National Recreation Area
- Great Egg Harbor River
- Morristown National Historical Park — National Historical Park
- Ellis Island Part of Statue of Liberty National Monument — Part of Statue of Liberty National Monument
- Gateway National Recreation Area — National Recreation Area
Gear to see them
Frequently asked questions
What is the best month to see snakes in New Jersey?+
May is the single best month, and the broader peak window runs through May, June and April, based on 13,289 verified iNaturalist observations.
When are snakes hardest to see in New Jersey?+
January is the quietest month for snakes in New Jersey, with only 47 verified records.
Are snakes active year-round in New Jersey?+
Snakes are recorded in 12 of 12 months in New Jersey, so they can be seen year-round, with a clear peak in May.
More places to see snakes
More wildlife in New Jersey