Best Time to See Great Horned Owls in California

April, May and June is the best time to see great horned owls in California. Based on 26,152 verified iNaturalist observations, here is exactly when great horned owls 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 July 20, 2026.

Great Horned Owl photographed in California

Great Horned Owl · Michael Warner CC BY

Great Horned Owl photographed in California

Great Horned Owl · Michael Warner CC BY

Great Horned Owl photographed in California

Great Horned Owl · Nelson Balcar CC BY

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

26,152 verified observations of great horned owls in California, recorded across 12 months of the year on iNaturalist.

When great horned owls are recorded in California

Peak month

April

3,166 records (12.1% of the year)

Quietest month

November

1,513 records

MonthObservationsShare
January1,9127.3%
February1,7436.7%
March2,2738.7%
Aprilpeak3,16612.1%
Maypeak3,13712%
Junepeak2,4929.5%
July2,2688.7%
August2,1168.1%
September2,1748.3%
October1,8187%
November1,5135.8%
December1,5405.9%

Great Horned Owls you are most likely to see

SpeciesVerified observations
Great Horned Owl26,152

Weather to expect, source Open-Meteo

Typical weather in California

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

Sightings of great horned owls in California peak in April, when 3,166 of the year's 26,152 verified observations are logged — about 12.1% of the annual total. Activity stays high through April, May and June.

The quietest stretch is November, December and February, when great horned owls are hardest to find — November sees just 1,513 records. If a reliable sighting matters, plan around the peak window rather than the off-season.

The great horned owls you are most likely to encounter in California are Great Horned Owl — 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 great horned owls 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 great horned owls in California?+

April is the single best month, and the broader peak window runs through April, May and June, based on 26,152 verified iNaturalist observations.

When are great horned owls hardest to see in California?+

November is the quietest month for great horned owls in California, with only 1,513 verified records.

Are great horned owls active year-round in California?+

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