Best Time to See Snakes in California

May, April and June is the best time to see snakes in California. Based on 153,623 verified iNaturalist observations, here is exactly when snakes are most active across the year in California.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

California Red-sided Garter Snake photographed in California

California Red-sided Garter Snake · kclarksdnhmorg CC BY

San Francisco Garter Snake photographed in California

San Francisco Garter Snake · Amy CC BY-ND

Western Yellow-bellied Racer photographed in California

Western Yellow-bellied Racer · Jonathan Eisen CC BY

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

153,623 verified observations of snakes in California, recorded across 12 months of the year on iNaturalist.

When snakes are recorded in California

Peak month

May

33,334 records (21.7% of the year)

Quietest month

December

1,561 records

MonthObservationsShare
January2,0481.3%
February5,3563.5%
March15,55710.1%
Aprilpeak28,57118.6%
Maypeak33,33421.7%
Junepeak22,19114.4%
July13,0188.5%
August9,5176.2%
September10,8227%
October8,0485.2%
November3,6002.3%
December1,5611%

Snakes you are most likely to see

SpeciesVerified observations
Gopher Snake37,989
Western Rattlesnake28,084
California King Snake12,177
Western Terrestrial Garter Snake8,980
Ring-necked Snake6,878
Common Garter Snake5,541
Striped Racer4,790
Red Diamond Rattlesnake4,682

Weather to expect, source Open-Meteo

Typical weather in California

Recent typical conditions by month, so you can plan a trip around both when snakes are active and what the weather is doing. The best months to look for snakes sit around 40 to 84 degrees Fahrenheit, so pack for that.

MonthAvg highAvg lowRain
Jan53°F31°F5.6"
Feb53°F30°F4.4"
Mar55°F33°F7.3"
Aprbest time66°F40°F1.8"
Maybest time73°F46°F1.6"
Junbest time84°F55°F0.2"
Jul94°F62°F0"
Aug93°F62°F0.3"
Sep85°F57°F0.8"
Oct73°F46°F1.2"
Nov61°F36°F2.3"
Dec53°F33°F7.8"

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

More on snakes in California:

Sightings of snakes in California peak in May, when 33,334 of the year's 153,623 verified observations are logged — about 21.7% of the annual total. Activity stays high through May, April and June.

The quietest stretch is December and January, when snakes are hardest to find — December sees just 1,561 records. If a reliable sighting matters, plan around the peak window rather than the off-season.

The snakes you are most likely to encounter in California are Gopher Snake, Western Rattlesnake and California King Snake — 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 snakes in California

  • Alcatraz Island
  • Cabrillo National MonumentNational Monument
  • Channel Islands National ParkNational Park
  • Death Valley National ParkNational Park
  • Devils Postpile National MonumentNational Monument
  • Golden Gate National Recreation AreaNational Recreation Area

Gear to see them

Frequently asked questions

What is the best month to see snakes in California?+

May is the single best month, and the broader peak window runs through May, April and June, based on 153,623 verified iNaturalist observations.

When are snakes hardest to see in California?+

December is the quietest month for snakes in California, with only 1,561 verified records.

Are snakes active year-round in California?+

Snakes are recorded in 12 of 12 months in California, so they can be seen year-round, with a clear peak in May.