Best Time to See Mountain Lions in California

January, October and April is the best time to see mountain lions in California. Based on 5,664 verified iNaturalist observations, here is exactly when mountain lions 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.

North American Mountain Lion photographed in California

North American Mountain Lion · Mike Johanning CC BY

Mountain Lion photographed in California

Mountain Lion · Public domain CC0

North American Mountain Lion photographed in California

North American Mountain Lion · Public domain CC0

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

5,664 verified observations of mountain lions in California, recorded across 12 months of the year on iNaturalist.

When mountain lions are recorded in California

Peak month

January

680 records (12% of the year)

Quietest month

June

373 records

MonthObservationsShare
Januarypeak68012%
February4898.6%
March5079%
Aprilpeak5169.1%
May4347.7%
June3736.6%
July3736.6%
August4007.1%
September4297.6%
Octoberpeak5399.5%
November4588.1%
December4668.2%

Mountain Lions you are most likely to see

SpeciesVerified observations
Mountain Lion5,664

Weather to expect, source Open-Meteo

Typical weather in California

Recent typical conditions by month, so you can plan a trip around both when mountain lions are active and what the weather is doing. The best months to look for mountain lions sit around 31 to 73 degrees Fahrenheit, so pack for that.

MonthAvg highAvg lowRain
Janbest time53°F31°F5.6"
Feb53°F30°F4.4"
Mar55°F33°F7.3"
Aprbest time66°F40°F1.8"
May73°F46°F1.6"
Jun84°F55°F0.2"
Jul94°F62°F0"
Aug93°F62°F0.3"
Sep85°F57°F0.8"
Octbest time73°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 mountain lions in California peak in January, when 680 of the year's 5,664 verified observations are logged — about 12% of the annual total. Activity stays high through January, October and April.

The quietest stretch is June, July and August, when mountain lions are hardest to find — June sees just 373 records. If a reliable sighting matters, plan around the peak window rather than the off-season.

The mountain lions you are most likely to encounter in California are Mountain Lion — 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 mountain lions 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 mountain lions in California?+

January is the single best month, and the broader peak window runs through January, October and April, based on 5,664 verified iNaturalist observations.

When are mountain lions hardest to see in California?+

June is the quietest month for mountain lions in California, with only 373 verified records.

Are mountain lions active year-round in California?+

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