Best Time to See Scorpions in California

May, April and September is the best time to see scorpions in California. Based on 23,267 verified iNaturalist observations, here is exactly when scorpions are most active across the year in California.

T

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

Western Forest Scorpion photographed in California

Western Forest Scorpion · Seth CC BY

Black Hairy Scorpion photographed in California

Black Hairy Scorpion · Public domain CC0

Southern Devil Scorpion photographed in California

Southern Devil Scorpion · Alan Rockefeller CC BY

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

23,267 verified observations of scorpions in California, recorded across 12 months of the year on iNaturalist.

When scorpions are recorded in California

Peak month

May

3,049 records (13.1% of the year)

Quietest month

December

671 records

MonthObservationsShare
January8933.8%
February1,2845.5%
March2,0869%
Aprilpeak2,85012.2%
Maypeak3,04913.1%
June2,32510%
July2,40010.3%
August2,34610.1%
Septemberpeak2,56011%
October1,8538%
November9504.1%
December6712.9%

Scorpions you are most likely to see

SpeciesVerified observations
Western Forest Scorpion6,029
California common scorpion2,625
Paravaejovis puritanus1,647
California Swollenstinger Scorpion1,431
Sawfinger Scorpion1,230
Dune Scorpion1,188
Desert Hairy Scorpion1,070
Dune Devil Scorpion658

Weather to expect, source Open-Meteo

Typical weather in California

Recent typical conditions by month, so you can plan a trip around both when scorpions are active and what the weather is doing. The best months to look for scorpions sit around 40 to 85 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"
Jun84°F55°F0.2"
Jul94°F62°F0"
Aug93°F62°F0.3"
Sepbest time85°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.

Sightings of scorpions in California peak in May, when 3,049 of the year's 23,267 verified observations are logged — about 13.1% of the annual total. Activity stays high through May, April and September.

The quietest stretch is December, January and November, when scorpions are hardest to find — December sees just 671 records. If a reliable sighting matters, plan around the peak window rather than the off-season.

The scorpions you are most likely to encounter in California are Western Forest Scorpion, California common scorpion and Paravaejovis puritanus — 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 scorpions 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

Frequently asked questions

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

May is the single best month, and the broader peak window runs through May, April and September, based on 23,267 verified iNaturalist observations.

When are scorpions hardest to see in California?+

December is the quietest month for scorpions in California, with only 671 verified records.

Are scorpions active year-round in California?+

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