Best Time to See Sea Otters in Washington
July, June and August is the best time to see sea otters in Washington. Based on 349 verified iNaturalist observations, here is exactly when sea otters are most active across the year in Washington.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
Northern Sea Otter · a_virginian CC BY
Northern Sea Otter · Manuel Schwarz CC BY
Northern Sea Otter · Tom Field CC BY
349 verified observations of sea otters in Washington, recorded across 12 months of the year on iNaturalist.
When sea otters are recorded in Washington
Peak month
July
69 records (19.8% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 12 | 3.4% |
| February | 11 | 3.2% |
| March | 12 | 3.4% |
| April | 31 | 8.9% |
| May | 39 | 11.2% |
| Junepeak | 50 | 14.3% |
| Julypeak | 69 | 19.8% |
| Augustpeak | 40 | 11.5% |
| September | 33 | 9.5% |
| October | 21 | 6% |
| November | 19 | 5.4% |
| December | 12 | 3.4% |
Sea Otters you are most likely to see
| Species | Verified observations |
|---|---|
| Sea Otter | 349 |
Weather to expect, source Open-Meteo
Typical weather in Washington
Recent typical conditions by month, so you can plan a trip around both when sea otters are active and what the weather is doing. The best months to look for sea otters sit around 51 to 86 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 35°F | 24°F | 4.5" |
| Feb | 36°F | 22°F | 2.8" |
| Mar | 46°F | 28°F | 1.2" |
| Apr | 56°F | 33°F | 1.3" |
| May | 67°F | 44°F | 1.2" |
| Junbest time | 76°F | 51°F | 0.9" |
| Julbest time | 86°F | 57°F | 0.2" |
| Augbest time | 86°F | 58°F | 0.3" |
| Sep | 74°F | 50°F | 1.1" |
| Oct | 59°F | 39°F | 1.7" |
| Nov | 42°F | 29°F | 3.6" |
| Dec | 33°F | 23°F | 3.6" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Washington. Weather varies year to year, so treat these as a guide.
More on sea otters in Washington:
Sightings of sea otters in Washington peak in July, when 69 of the year's 349 verified observations are logged — about 19.8% of the annual total. Activity stays high through July, June and August.
The quietest stretch is February, January and March, when sea otters are hardest to find — February sees just 11 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The sea otters you are most likely to encounter in Washington are Sea Otter — 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 sea otters in Washington
- Ebey's Landing National Historical Reserve — National Historical Reserve
- 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
- Mount Rainier National Park — National Park
- Nez Perce National Historical Park — National Historical Park
Frequently asked questions
What is the best month to see sea otters in Washington?+
July is the single best month, and the broader peak window runs through July, June and August, based on 349 verified iNaturalist observations.
When are sea otters hardest to see in Washington?+
February is the quietest month for sea otters in Washington, with only 11 verified records.
Are sea otters active year-round in Washington?+
Sea otters are recorded in 12 of 12 months in Washington, so they can be seen year-round, with a clear peak in July.
More places to see sea otters
More wildlife in Washington