Best Time to See Otters in Washington
April, August and May is the best time to see otters in Washington. Based on 2,532 verified iNaturalist observations, here is exactly when 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.
North American River Otter · Public domain CC0
North American River Otter · Christian Back CC BY
North American River Otter · Kristiina Hurme CC BY
2,532 verified observations of otters in Washington, recorded across 12 months of the year on iNaturalist.
When otters are recorded in Washington
Peak month
April
318 records (12.6% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 200 | 7.9% |
| February | 137 | 5.4% |
| March | 181 | 7.1% |
| Aprilpeak | 318 | 12.6% |
| Maypeak | 246 | 9.7% |
| June | 231 | 9.1% |
| July | 215 | 8.5% |
| Augustpeak | 259 | 10.2% |
| September | 185 | 7.3% |
| October | 197 | 7.8% |
| November | 177 | 7% |
| December | 186 | 7.3% |
Otters you are most likely to see
| Species | Verified observations |
|---|---|
| North American River Otter | 2,532 |
Weather to expect, source Open-Meteo
Typical weather in Washington
Recent typical conditions by month, so you can plan a trip around both when otters are active and what the weather is doing. The best months to look for otters sit around 33 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" |
| Aprbest time | 56°F | 33°F | 1.3" |
| Maybest time | 67°F | 44°F | 1.2" |
| Jun | 76°F | 51°F | 0.9" |
| Jul | 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 otters in Washington:
Sightings of otters in Washington peak in April, when 318 of the year's 2,532 verified observations are logged — about 12.6% of the annual total. Activity stays high through April, August and May.
The quietest stretch is February, November and March, when otters are hardest to find — February sees just 137 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The otters you are most likely to encounter in Washington are North American River 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 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 otters in Washington?+
April is the single best month, and the broader peak window runs through April, August and May, based on 2,532 verified iNaturalist observations.
When are otters hardest to see in Washington?+
February is the quietest month for otters in Washington, with only 137 verified records.
Are otters active year-round in Washington?+
Otters are recorded in 12 of 12 months in Washington, so they can be seen year-round, with a clear peak in April.
More places to see otters
More wildlife in Washington