Best Time to See Humpback Whales in Oregon
July, August and September is the best time to see humpback whales in Oregon. Based on 62 verified iNaturalist observations, here is exactly when humpback whales 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 10, 2026.
Humpback Whale · Joseph Rojas CC BY
Humpback Whale · Joseph Rojas CC BY
Humpback Whale · Brodie Cass Talbott CC BY
62 verified observations of humpback whales in Oregon, recorded across 11 months of the year on iNaturalist.
When humpback whales are recorded in Oregon
Peak month
July
12 records (19.4% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 3 | 4.8% |
| February | 2 | 3.2% |
| March | 0 | 0% |
| April | 1 | 1.6% |
| May | 2 | 3.2% |
| June | 7 | 11.3% |
| Julypeak | 12 | 19.4% |
| Augustpeak | 10 | 16.1% |
| Septemberpeak | 10 | 16.1% |
| October | 6 | 9.7% |
| November | 4 | 6.5% |
| December | 5 | 8.1% |
Humpback Whales you are most likely to see
| Species | Verified observations |
|---|---|
| Humpback Whale | 62 |
Weather to expect, source Open-Meteo
Typical weather in Oregon
Recent typical conditions by month, so you can plan a trip around both when humpback whales are active and what the weather is doing. The best months to look for humpback whales sit around 47 to 83 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" |
| Apr | 52°F | 32°F | 2.2" |
| May | 61°F | 40°F | 2" |
| Jun | 71°F | 48°F | 1.1" |
| Julbest time | 83°F | 56°F | 0.1" |
| Augbest time | 81°F | 56°F | 0.4" |
| Sepbest time | 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.
More on humpback whales in Oregon:
Sightings of humpback whales in Oregon peak in July, when 12 of the year's 62 verified observations are logged — about 19.4% of the annual total. Activity stays high through July, August and September.
The quietest stretch is March and April, when humpback whales are hardest to find — no verified records exist for March. If a reliable sighting matters, plan around the peak window rather than the off-season.
The humpback whales you are most likely to encounter in Oregon are Humpback Whale — 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 humpback whales 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 humpback whales in Oregon?+
July is the single best month, and the broader peak window runs through July, August and September, based on 62 verified iNaturalist observations.
When are humpback whales hardest to see in Oregon?+
March is the quietest month for humpback whales in Oregon, with no verified records on iNaturalist.
Are humpback whales active year-round in Oregon?+
Humpback whales are recorded in 11 of 12 months in Oregon, so they can be seen year-round, with a clear peak in July.
More places to see humpback whales
More wildlife in Oregon