Best Time to See Great Horned Owls in Oregon
May, April and June is the best time to see great horned owls in Oregon. Based on 2,113 verified iNaturalist observations, here is exactly when great horned owls are most active across the year in Oregon.
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 · Alan Rockefeller CC BY

Great Horned Owl · Hilary Rose Dawson CC BY

Great Horned Owl · David Anderson CC BY
2,113 verified observations of great horned owls in Oregon, recorded across 12 months of the year on iNaturalist.
When great horned owls are recorded in Oregon
Peak month
May
360 records (17% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 106 | 5% |
| February | 97 | 4.6% |
| March | 191 | 9% |
| Aprilpeak | 289 | 13.7% |
| Maypeak | 360 | 17% |
| Junepeak | 279 | 13.2% |
| July | 204 | 9.7% |
| August | 174 | 8.2% |
| September | 143 | 6.8% |
| October | 102 | 4.8% |
| November | 74 | 3.5% |
| December | 94 | 4.4% |
Great Horned Owls you are most likely to see
| Species | Verified observations |
|---|---|
| Great Horned Owl | 2,113 |
Weather to expect, source Open-Meteo
Typical weather in Oregon
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 32 to 71 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 39°F | 26°F | 2" |
| Feb | 38°F | 22°F | 2.4" |
| Mar | 43°F | 25°F | 1.9" |
| Aprbest time | 52°F | 32°F | 2.2" |
| Maybest time | 61°F | 40°F | 2" |
| Junbest time | 71°F | 48°F | 1.1" |
| Jul | 83°F | 56°F | 0.1" |
| Aug | 81°F | 56°F | 0.4" |
| Sep | 71°F | 47°F | 1.2" |
| Oct | 58°F | 37°F | 1.2" |
| Nov | 45°F | 28°F | 2.3" |
| Dec | 37°F | 25°F | 2.4" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Oregon. Weather varies year to year, so treat these as a guide.
Sightings of great horned owls in Oregon peak in May, when 360 of the year's 2,113 verified observations are logged — about 17% of the annual total. Activity stays high through May, April and June.
The quietest stretch is November, December and February, when great horned owls are hardest to find — November sees just 74 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 Oregon 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 Oregon
- Crater Lake National Park — National Park
- Fort Vancouver National Historic Site — National Historic Site
- Lewis & Clark National Historic Trail — National Historic Trail
- Lewis and Clark National Historical Park — National Historical Park
- Nez Perce National Historical Park — National Historical Park
- Oregon Caves National Monument & Preserve — National Monument & Preserve
Frequently asked questions
What is the best month to see great horned owls in Oregon?+
May is the single best month, and the broader peak window runs through May, April and June, based on 2,113 verified iNaturalist observations.
When are great horned owls hardest to see in Oregon?+
November is the quietest month for great horned owls in Oregon, with only 74 verified records.
Are great horned owls active year-round in Oregon?+
Great horned owls are recorded in 12 of 12 months in Oregon, so they can be seen year-round, with a clear peak in May.
More wildlife in Oregon