Best Time to See Cottonmouths in Kansas
April is the best time to see cottonmouths in Kansas. Based on 2 verified iNaturalist observations, here is exactly when cottonmouths 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.
Northern Cottonmouth · kirk gardner CC BY
Northern Cottonmouth · Mila Turov CC BY
Northern Cottonmouth · Joshua Liverman CC BY
2 verified observations of cottonmouths in Kansas, recorded across 1 months of the year on iNaturalist.
When cottonmouths are recorded in Kansas
Peak month
April
2 records (100% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 0 | 0% |
| March | 0 | 0% |
| Aprilpeak | 2 | 100% |
| May | 0 | 0% |
| June | 0 | 0% |
| July | 0 | 0% |
| August | 0 | 0% |
| September | 0 | 0% |
| October | 0 | 0% |
| November | 0 | 0% |
| December | 0 | 0% |
Cottonmouths you are most likely to see
| Species | Verified observations |
|---|---|
| Northern Cottonmouth | 2 |
Weather to expect, source Open-Meteo
Typical weather in Kansas
Recent typical conditions by month, so you can plan a trip around both when cottonmouths are active and what the weather is doing. The best months to look for cottonmouths sit around 45 to 67 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" |
| Aprbest time | 67°F | 45°F | 1.2" |
| May | 74°F | 55°F | 6.5" |
| Jun | 87°F | 67°F | 3.7" |
| Jul | 91°F | 71°F | 2.3" |
| Aug | 90°F | 70°F | 1.8" |
| Sep | 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 cottonmouths in Kansas peak in April, when 2 of the year's 2 verified observations are logged — about 100% of the annual total.
The quietest stretch is January, February and March, when cottonmouths 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 cottonmouths you are most likely to encounter in Kansas are Northern Cottonmouth — 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 cottonmouths 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 cottonmouths in Kansas?+
April is the single best month, and the broader peak window runs through April, based on 2 verified iNaturalist observations.
When are cottonmouths hardest to see in Kansas?+
January is the quietest month for cottonmouths in Kansas, with no verified records on iNaturalist.
Are cottonmouths active year-round in Kansas?+
Cottonmouths are recorded in 1 of 12 months in Kansas, concentrated around April.
More places to see cottonmouths
More wildlife in Kansas