Best Time to See Copperheads in Maryland
June, May and July is the best time to see copperheads in Maryland. Based on 733 verified iNaturalist observations, here is exactly when copperheads are most active across the year in Maryland.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 22, 2026.
Eastern Copperhead · Court Harding CC BY
Eastern Copperhead · Mila C. CC BY
Eastern Copperhead · Alan Rockefeller CC BY
733 verified observations of copperheads in Maryland, recorded across 11 months of the year on iNaturalist.
When copperheads are recorded in Maryland
Peak month
June
167 records (22.8% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 1 | 0.1% |
| February | 0 | 0% |
| March | 1 | 0.1% |
| April | 33 | 4.5% |
| Maypeak | 162 | 22.1% |
| Junepeak | 167 | 22.8% |
| Julypeak | 131 | 17.9% |
| August | 81 | 11.1% |
| September | 110 | 15% |
| October | 44 | 6% |
| November | 2 | 0.3% |
| December | 1 | 0.1% |
Copperheads you are most likely to see
| Species | Verified observations |
|---|---|
| Eastern Copperhead | 733 |
Weather to expect, source Open-Meteo
Typical weather in Maryland
Recent typical conditions by month, so you can plan a trip around both when copperheads are active and what the weather is doing. The best months to look for copperheads sit around 54 to 89 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 44°F | 30°F | 3.3" |
| Feb | 48°F | 31°F | 3.9" |
| Mar | 56°F | 37°F | 3.9" |
| Apr | 66°F | 45°F | 4.7" |
| Maybest time | 73°F | 54°F | 4.7" |
| Junbest time | 83°F | 64°F | 5.4" |
| Julbest time | 89°F | 70°F | 7.3" |
| Aug | 85°F | 69°F | 7.6" |
| Sep | 79°F | 62°F | 4.9" |
| Oct | 69°F | 52°F | 4.9" |
| Nov | 56°F | 40°F | 3.2" |
| Dec | 49°F | 34°F | 4.8" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Maryland. Weather varies year to year, so treat these as a guide.
Sightings of copperheads in Maryland peak in June, when 167 of the year's 733 verified observations are logged — about 22.8% of the annual total. Activity stays high through June, May and July.
The quietest stretch is February, January and March, when copperheads are hardest to find — no verified records exist for February. If a reliable sighting matters, plan around the peak window rather than the off-season.
The copperheads you are most likely to encounter in Maryland are Eastern Copperhead — 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 copperheads in Maryland
- Antietam National Battlefield — National Battlefield
- Appalachian National Scenic Trail — National Scenic Trail
- Assateague Island National Seashore — National Seashore
- Captain John Smith Chesapeake National Historic Trail — National Historic Trail
- Chesapeake & Ohio Canal National Historical Park — National Historical Park
- Chesapeake Bay
Frequently asked questions
What is the best month to see copperheads in Maryland?+
June is the single best month, and the broader peak window runs through June, May and July, based on 733 verified iNaturalist observations.
When are copperheads hardest to see in Maryland?+
February is the quietest month for copperheads in Maryland, with no verified records on iNaturalist.
Are copperheads active year-round in Maryland?+
Copperheads are recorded in 11 of 12 months in Maryland, so they can be seen year-round, with a clear peak in June.
More wildlife in Maryland