Best Time to See Dark Eyed Juncos in Oregon
January, February and March is the best time to see dark eyed juncos in Oregon. Based on 10,248 verified iNaturalist observations, here is exactly when dark eyed juncos 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.
Dark-eyed Junco · Public domain CC0
Dark-eyed Junco · Public domain CC0
Dark-eyed Junco · Forest Botial-Jarvis CC BY
10,248 verified observations of dark eyed juncos in Oregon, recorded across 12 months of the year on iNaturalist.
When dark eyed juncos are recorded in Oregon
Peak month
January
1,217 records (11.9% of the year)
| Month | Observations | Share |
|---|---|---|
| Januarypeak | 1,217 | 11.9% |
| Februarypeak | 1,100 | 10.7% |
| Marchpeak | 1,070 | 10.4% |
| April | 923 | 9% |
| May | 976 | 9.5% |
| June | 784 | 7.7% |
| July | 717 | 7% |
| August | 446 | 4.4% |
| September | 370 | 3.6% |
| October | 650 | 6.3% |
| November | 950 | 9.3% |
| December | 1,045 | 10.2% |
Dark Eyed Juncos you are most likely to see
| Species | Verified observations |
|---|---|
| Dark-eyed Junco | 10,248 |
Weather to expect, source Open-Meteo
Typical weather in Oregon
Recent typical conditions by month, so you can plan a trip around both when dark eyed juncos are active and what the weather is doing. The best months to look for dark eyed juncos sit around 22 to 43 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Janbest time | 39°F | 26°F | 2" |
| Febbest time | 38°F | 22°F | 2.4" |
| Marbest time | 43°F | 25°F | 1.9" |
| Apr | 52°F | 32°F | 2.2" |
| May | 61°F | 40°F | 2" |
| Jun | 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 dark eyed juncos in Oregon peak in January, when 1,217 of the year's 10,248 verified observations are logged — about 11.9% of the annual total. Activity stays high through January, February and March.
The quietest stretch is September and August, when dark eyed juncos are hardest to find — September sees just 370 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The dark eyed juncos you are most likely to encounter in Oregon are Dark-eyed Junco — 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 dark eyed juncos 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 dark eyed juncos in Oregon?+
January is the single best month, and the broader peak window runs through January, February and March, based on 10,248 verified iNaturalist observations.
When are dark eyed juncos hardest to see in Oregon?+
September is the quietest month for dark eyed juncos in Oregon, with only 370 verified records.
Are dark eyed juncos active year-round in Oregon?+
Dark eyed juncos are recorded in 12 of 12 months in Oregon, so they can be seen year-round, with a clear peak in January.
More wildlife in Oregon