Best Time to See Seals in Oregon

June, July and May is the best time to see seals in Oregon. Based on 2,424 verified iNaturalist observations, here is exactly when seals are most active across the year in Oregon.

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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.

Pacific Harbor Seal photographed in Oregon

Pacific Harbor Seal · Jared Shorma CC BY

Pacific Harbor Seal photographed in Oregon

Pacific Harbor Seal · Margery L. Oldfield CC BY-ND

Harbor Seal photographed in Oregon

Harbor Seal · Tom Reed CC BY

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

2,424 verified observations of seals in Oregon, recorded across 12 months of the year on iNaturalist.

When seals are recorded in Oregon

Peak month

June

339 records (14% of the year)

Quietest month

December

104 records

MonthObservationsShare
January1666.8%
February1094.5%
March1887.8%
April1686.9%
Maypeak30512.6%
Junepeak33914%
Julypeak32313.3%
August2379.8%
September1717.1%
October1546.4%
November1606.6%
December1044.3%

Seals you are most likely to see

SpeciesVerified observations
Harbor Seal2,302
Northern Elephant Seal108

Weather to expect, source Open-Meteo

Typical weather in Oregon

Recent typical conditions by month, so you can plan a trip around both when seals are active and what the weather is doing. The best months to look for seals sit around 40 to 83 degrees Fahrenheit, so pack for that.

MonthAvg highAvg lowRain
Jan39°F26°F2"
Feb38°F22°F2.4"
Mar43°F25°F1.9"
Apr52°F32°F2.2"
Maybest time61°F40°F2"
Junbest time71°F48°F1.1"
Julbest time83°F56°F0.1"
Aug81°F56°F0.4"
Sep71°F47°F1.2"
Oct58°F37°F1.2"
Nov45°F28°F2.3"
Dec37°F25°F2.4"

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 seals in Oregon:

Sightings of seals in Oregon peak in June, when 339 of the year's 2,424 verified observations are logged — about 14% of the annual total. Activity stays high through June, July and May.

The quietest stretch is December, February and October, when seals are hardest to find — December sees just 104 records. If a reliable sighting matters, plan around the peak window rather than the off-season.

The seals you are most likely to encounter in Oregon are Harbor Seal and Northern Elephant Seal — 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 seals in Oregon

  • Crater Lake National ParkNational Park
  • Fort Vancouver National Historic SiteNational Historic Site
  • Lewis & Clark National Historic TrailNational Historic Trail
  • Lewis and Clark National Historical ParkNational Historical Park
  • Nez Perce National Historical ParkNational Historical Park
  • Oregon Caves National Monument & PreserveNational Monument & Preserve

Frequently asked questions

What is the best month to see seals in Oregon?+

June is the single best month, and the broader peak window runs through June, July and May, based on 2,424 verified iNaturalist observations.

When are seals hardest to see in Oregon?+

December is the quietest month for seals in Oregon, with only 104 verified records.

Are seals active year-round in Oregon?+

Seals are recorded in 12 of 12 months in Oregon, so they can be seen year-round, with a clear peak in June.