Best Time to See Copperheads in Kansas
September, May and June is the best time to see copperheads in Kansas. Based on 871 verified iNaturalist observations, here is exactly when copperheads are most active across the year in Kansas.
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
871 verified observations of copperheads in Kansas, recorded across 9 months of the year on iNaturalist.
When copperheads are recorded in Kansas
Peak month
September
205 records (23.5% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 0 | 0% |
| March | 3 | 0.3% |
| April | 123 | 14.1% |
| Maypeak | 187 | 21.5% |
| Junepeak | 134 | 15.4% |
| July | 97 | 11.1% |
| August | 48 | 5.5% |
| Septemberpeak | 205 | 23.5% |
| October | 73 | 8.4% |
| November | 1 | 0.1% |
| December | 0 | 0% |
Copperheads you are most likely to see
| Species | Verified observations |
|---|---|
| Eastern Copperhead | 871 |
Weather to expect, source Open-Meteo
Typical weather in Kansas
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 55 to 87 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 43°F | 25°F | 1.1" |
| Feb | 43°F | 22°F | 1.1" |
| Mar | 55°F | 35°F | 2.2" |
| Apr | 67°F | 45°F | 1.2" |
| Maybest time | 74°F | 55°F | 6.5" |
| Junbest time | 87°F | 67°F | 3.7" |
| Jul | 91°F | 71°F | 2.3" |
| Aug | 90°F | 70°F | 1.8" |
| Sepbest time | 84°F | 64°F | 1.7" |
| Oct | 68°F | 48°F | 1.3" |
| Nov | 56°F | 37°F | 1.3" |
| Dec | 47°F | 29°F | 1.1" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Kansas. Weather varies year to year, so treat these as a guide.
Sightings of copperheads in Kansas peak in September, when 205 of the year's 871 verified observations are logged — about 23.5% of the annual total. Activity stays high through September, May and June.
The quietest stretch is January, February and December, when copperheads are hardest to find — no verified records exist for January. If a reliable sighting matters, plan around the peak window rather than the off-season.
The copperheads you are most likely to encounter in Kansas 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 Kansas
- Lewis & Clark National Historic Trail — National Historic Trail
- Tallgrass Prairie National Preserve — National Preserve
- Brown v. Board of Education National Historical Park — National Historical Park
- California National Historic Trail — National Historic Trail
- Fort Larned National Historic Site — National Historic Site
- Fort Scott National Historic Site — National Historic Site
Frequently asked questions
What is the best month to see copperheads in Kansas?+
September is the single best month, and the broader peak window runs through September, May and June, based on 871 verified iNaturalist observations.
When are copperheads hardest to see in Kansas?+
January is the quietest month for copperheads in Kansas, with no verified records on iNaturalist.
Are copperheads active year-round in Kansas?+
Copperheads are recorded in 9 of 12 months in Kansas, concentrated around September and May.
More places to see copperheads
More wildlife in Kansas