Best Time to See Snakes in Delaware
May, April and June is the best time to see snakes in Delaware. Based on 3,466 verified iNaturalist observations, here is exactly when snakes are most active across the year in Delaware.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

Northern Watersnake · inbetweenbays CC BY

Eastern Garter Snake · inbetweenbays CC BY

Eastern Garter Snake · inbetweenbays CC BY
3,466 verified observations of snakes in Delaware, recorded across 12 months of the year on iNaturalist.
When snakes are recorded in Delaware
Peak month
May
846 records (24.4% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 10 | 0.3% |
| February | 37 | 1.1% |
| March | 227 | 6.5% |
| Aprilpeak | 581 | 16.8% |
| Maypeak | 846 | 24.4% |
| Junepeak | 534 | 15.4% |
| July | 258 | 7.4% |
| August | 256 | 7.4% |
| September | 292 | 8.4% |
| October | 314 | 9.1% |
| November | 80 | 2.3% |
| December | 31 | 0.9% |
Snakes you are most likely to see
| Species | Verified observations |
|---|---|
| Common Garter Snake | 911 |
| Common Watersnake | 775 |
| Central Ratsnake | 649 |
| DeKay's Brownsnake | 296 |
| North American Racer | 259 |
| Ring-necked Snake | 119 |
| Eastern Hognose Snake | 98 |
| Common Wormsnake | 93 |
Weather to expect, source Open-Meteo
Typical weather in Delaware
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 48 to 79 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 44°F | 32°F | 2.9" |
| Feb | 47°F | 33°F | 3.8" |
| Mar | 54°F | 39°F | 3.8" |
| Aprbest time | 63°F | 48°F | 4.5" |
| Maybest time | 70°F | 56°F | 3.9" |
| Junbest time | 79°F | 66°F | 3.9" |
| Jul | 86°F | 73°F | 6" |
| Aug | 83°F | 72°F | 5.1" |
| Sep | 77°F | 65°F | 4.3" |
| Oct | 68°F | 55°F | 4.4" |
| Nov | 56°F | 43°F | 2.8" |
| Dec | 48°F | 36°F | 4.8" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Delaware. Weather varies year to year, so treat these as a guide.
More on snakes in Delaware:
Sightings of snakes in Delaware peak in May, when 846 of the year's 3,466 verified observations are logged — about 24.4% of the annual total. Activity stays high through May, April and June.
The quietest stretch is January, when snakes are hardest to find — January sees just 10 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 Delaware 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 Delaware
- Captain John Smith Chesapeake National Historic Trail — National Historic Trail
- Chesapeake Bay
- First State National Historical Park — National Historical Park
- Washington-Rochambeau Revolutionary Route National Historic Trail — National Historic Trail
Gear to see them
Frequently asked questions
What is the best month to see snakes in Delaware?+
May is the single best month, and the broader peak window runs through May, April and June, based on 3,466 verified iNaturalist observations.
When are snakes hardest to see in Delaware?+
January is the quietest month for snakes in Delaware, with only 10 verified records.
Are snakes active year-round in Delaware?+
Snakes are recorded in 12 of 12 months in Delaware, so they can be seen year-round, with a clear peak in May.
More places to see snakes
More wildlife in Delaware