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.

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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.

Northern Watersnake photographed in Delaware

Northern Watersnake · inbetweenbays CC BY

Eastern Garter Snake photographed in Delaware

Eastern Garter Snake · inbetweenbays CC BY

Eastern Garter Snake photographed in Delaware

Eastern Garter Snake · inbetweenbays CC BY

Photos by iNaturalist observers, reused under the licence each observer chose.
Best months: May, April, June

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)

Quietest month

January

10 records

MonthObservationsShare
January100.3%
February371.1%
March2276.5%
Aprilpeak58116.8%
Maypeak84624.4%
Junepeak53415.4%
July2587.4%
August2567.4%
September2928.4%
October3149.1%
November802.3%
December310.9%

Snakes you are most likely to see

SpeciesVerified observations
Common Garter Snake911
Common Watersnake775
Central Ratsnake649
DeKay's Brownsnake296
North American Racer259
Ring-necked Snake119
Eastern Hognose Snake98
Common Wormsnake93

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.

MonthAvg highAvg lowRain
Jan44°F32°F2.9"
Feb47°F33°F3.8"
Mar54°F39°F3.8"
Aprbest time63°F48°F4.5"
Maybest time70°F56°F3.9"
Junbest time79°F66°F3.9"
Jul86°F73°F6"
Aug83°F72°F5.1"
Sep77°F65°F4.3"
Oct68°F55°F4.4"
Nov56°F43°F2.8"
Dec48°F36°F4.8"

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.