Best Time to See Squirrels in California

April, May and June is the best time to see squirrels in California. Based on 172,073 verified iNaturalist observations, here is exactly when squirrels 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 June 28, 2026.

California Ground Squirrel photographed in California

California Ground Squirrel · smeckert CC BY

California Ground Squirrel photographed in California

California Ground Squirrel · Adam J. Searcy CC BY

Eastern Fox Squirrel photographed in California

Eastern Fox Squirrel · P Holroyd CC BY

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

172,073 verified observations of squirrels in California, recorded across 12 months of the year on iNaturalist.

When squirrels are recorded in California

Peak month

April

21,360 records (12.4% of the year)

Quietest month

December

8,398 records

MonthObservationsShare
January9,6395.6%
February11,2796.6%
March14,9048.7%
Aprilpeak21,36012.4%
Maypeak19,88811.6%
Junepeak18,18810.6%
July15,4409%
August14,0088.1%
September15,3368.9%
October13,0377.6%
November10,5966.2%
December8,3984.9%

Squirrels you are most likely to see

SpeciesVerified observations
California Ground Squirrel58,513
Eastern Fox Squirrel46,783
Western Gray Squirrel17,683
Eastern Gray Squirrel9,579
Merriam's Chipmunk4,545
Common Golden-mantled Ground Squirrel4,390
Douglas's Squirrel4,177
White-tailed Antelope Squirrel4,158

Weather to expect, source Open-Meteo

Typical weather in California

Recent typical conditions by month, so you can plan a trip around both when squirrels are active and what the weather is doing. The best months to look for squirrels 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 squirrels in California:

Sightings of squirrels in California peak in April, when 21,360 of the year's 172,073 verified observations are logged — about 12.4% of the annual total. Activity stays high through April, May and June.

The quietest stretch is December, January and November, when squirrels are hardest to find — December sees just 8,398 records. If a reliable sighting matters, plan around the peak window rather than the off-season.

The squirrels you are most likely to encounter in California are California Ground Squirrel, Eastern Fox Squirrel and Western Gray Squirrel — 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 squirrels in California

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

Gear to see them

Frequently asked questions

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

April is the single best month, and the broader peak window runs through April, May and June, based on 172,073 verified iNaturalist observations.

When are squirrels hardest to see in California?+

December is the quietest month for squirrels in California, with only 8,398 verified records.

Are squirrels active year-round in California?+

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