Best Time to See Cottonmouths in Alabama
April, May and July is the best time to see cottonmouths in Alabama. Based on 1,809 verified iNaturalist observations, here is exactly when cottonmouths are most active across the year in Alabama.
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
1,809 verified observations of cottonmouths in Alabama, recorded across 12 months of the year on iNaturalist.
When cottonmouths are recorded in Alabama
Peak month
April
328 records (18.1% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 13 | 0.7% |
| February | 43 | 2.4% |
| March | 123 | 6.8% |
| Aprilpeak | 328 | 18.1% |
| Maypeak | 288 | 15.9% |
| June | 205 | 11.3% |
| Julypeak | 208 | 11.5% |
| August | 161 | 8.9% |
| September | 208 | 11.5% |
| October | 168 | 9.3% |
| November | 35 | 1.9% |
| December | 29 | 1.6% |
Cottonmouths you are most likely to see
| Species | Verified observations |
|---|---|
| Northern Cottonmouth | 1,809 |
Weather to expect, source Open-Meteo
Typical weather in Alabama
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 54 to 91 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 57°F | 40°F | 5.4" |
| Feb | 63°F | 45°F | 6.3" |
| Mar | 69°F | 50°F | 6" |
| Aprbest time | 75°F | 54°F | 4.9" |
| Maybest time | 83°F | 62°F | 3.8" |
| Jun | 88°F | 70°F | 5.8" |
| Julbest time | 91°F | 73°F | 4.5" |
| Aug | 91°F | 73°F | 4.4" |
| Sep | 87°F | 68°F | 3.1" |
| Oct | 76°F | 58°F | 3.9" |
| Nov | 65°F | 47°F | 3.2" |
| Dec | 60°F | 44°F | 4.8" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Alabama. Weather varies year to year, so treat these as a guide.
Sightings of cottonmouths in Alabama peak in April, when 328 of the year's 1,809 verified observations are logged — about 18.1% of the annual total. Activity stays high through April, May and July.
The quietest stretch is January, when cottonmouths are hardest to find — January sees just 13 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The cottonmouths you are most likely to encounter in Alabama 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 Alabama
- Horseshoe Bend National Military Park — National Military Park
- Little River Canyon National Preserve — National Preserve
- Natchez Trace Parkway — Parkway
- Russell Cave National Monument — National Monument
- Birmingham Civil Rights National Monument — National Monument
- Freedom Riders National Monument — National Monument
Frequently asked questions
What is the best month to see cottonmouths in Alabama?+
April is the single best month, and the broader peak window runs through April, May and July, based on 1,809 verified iNaturalist observations.
When are cottonmouths hardest to see in Alabama?+
January is the quietest month for cottonmouths in Alabama, with only 13 verified records.
Are cottonmouths active year-round in Alabama?+
Cottonmouths are recorded in 12 of 12 months in Alabama, so they can be seen year-round, with a clear peak in April.
More places to see cottonmouths
More wildlife in Alabama