Best Time to See Rattlesnakes in Mississippi

September, August and May is the best time to see rattlesnakes in Mississippi. Based on 331 verified iNaturalist observations, here is exactly when rattlesnakes are most active across the year in Mississippi.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 22, 2026.

Eastern Diamondback Rattlesnake photographed in Mississippi

Eastern Diamondback Rattlesnake · Scott Allen Davis CC BY

Panamint Rattlesnake photographed in Mississippi

Panamint Rattlesnake · Matt Berger CC BY

Red Diamond Rattlesnake photographed in Mississippi

Red Diamond Rattlesnake · Amy Huie CC BY

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

331 verified observations of rattlesnakes in Mississippi, recorded across 12 months of the year on iNaturalist.

When rattlesnakes are recorded in Mississippi

Peak month

September

52 records (15.7% of the year)

Quietest month

January

3 records

MonthObservationsShare
January30.9%
February82.4%
March195.7%
April247.3%
Maypeak4714.2%
June3811.5%
July3711.2%
Augustpeak4914.8%
Septemberpeak5215.7%
October4112.4%
November103%
December30.9%

Rattlesnakes you are most likely to see

SpeciesVerified observations
Timber Rattlesnake224
Eastern Diamondback Rattlesnake107

Weather to expect, source Open-Meteo

Typical weather in Mississippi

Recent typical conditions by month, so you can plan a trip around both when rattlesnakes are active and what the weather is doing. The best months to look for rattlesnakes sit around 63 to 90 degrees Fahrenheit, so pack for that.

MonthAvg highAvg lowRain
Jan57°F40°F6"
Feb61°F42°F6.7"
Mar69°F49°F5.4"
Apr74°F54°F7.5"
Maybest time82°F63°F4.9"
Jun89°F70°F4.5"
Jul90°F74°F6"
Augbest time90°F74°F5.7"
Sepbest time88°F69°F2.8"
Oct77°F58°F4.3"
Nov66°F46°F2.9"
Dec61°F44°F5.6"

Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Mississippi. Weather varies year to year, so treat these as a guide.

Sightings of rattlesnakes in Mississippi peak in September, when 52 of the year's 331 verified observations are logged — about 15.7% of the annual total. Activity stays high through September, August and May.

The quietest stretch is January and December, when rattlesnakes are hardest to find — January sees just 3 records. If a reliable sighting matters, plan around the peak window rather than the off-season.

The rattlesnakes you are most likely to encounter in Mississippi are Timber Rattlesnake and Eastern Diamondback Rattlesnake — 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 rattlesnakes in Mississippi

  • Gulf Islands National SeashoreNational Seashore
  • Natchez Trace ParkwayParkway
  • Shiloh National Military ParkNational Military Park
  • Brices Cross Roads National Battlefield SiteNational Battlefield Site
  • Emmett Till and Mamie Till-Mobley National MonumentNational Monument
  • Medgar and Myrlie Evers Home National MonumentNational Monument

Frequently asked questions

What is the best month to see rattlesnakes in Mississippi?+

September is the single best month, and the broader peak window runs through September, August and May, based on 331 verified iNaturalist observations.

When are rattlesnakes hardest to see in Mississippi?+

January is the quietest month for rattlesnakes in Mississippi, with only 3 verified records.

Are rattlesnakes active year-round in Mississippi?+

Rattlesnakes are recorded in 12 of 12 months in Mississippi, so they can be seen year-round, with a clear peak in September.