Otters in Washington in May

Yes, May is one of the best months to see otters in Washington. It is the 3rd busiest month of the year, with 246 of the 2,532 sightings logged across the year (9.7%), based on verified iNaturalist records.

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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.

Peak month for otters in Washington

9.7%

of yearly sightings

246

records in May

#3

busiest month of 12

2,532

verified records a year

April 12.6%, May 9.7%, June 9.1%. Busiest month is April at 12.6%.

Best months: April, August, May

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)

Quietest month

February

137 records

MonthObservationsShare
January2007.9%
February1375.4%
March1817.1%
Aprilpeak31812.6%
Maypeak2469.7%
June2319.1%
July2158.5%
Augustpeak25910.2%
September1857.3%
October1977.8%
November1777%
December1867.3%

Otters you are most likely to see

SpeciesVerified observations
North American River Otter2,532

In Washington, May carries 9.7% of the year's otters sightings, about 1.4 points above an even month-to-month split. That makes it the 3rd busiest of the twelve months, out of 12 months with recorded activity.

Activity is easing off from April (12.6%) into May, and it heads toward June (9.1%) after. This is right inside the peak window, so May is one of the surest months to plan a trip around.

The otters most often recorded in Washington are North American River Otter. Those counts are annual totals rather than a May split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in May itself.

Which otters you are most likely to see

  • North American River Otter2,532 records
Plan your tripEbey's Landing National Historical Reserve

Plan your otter trip in Washington

Start with live tours near Ebey's Landing National Historical Reserve, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Frequently asked questions

Can you see otters in Washington in May?+

Yes. May accounts for 246 of the 2,532 verified otters sightings logged in Washington across the year, which is 9.7% of the annual total.

Is May a good time to see otters in Washington?+

May is one of the best months. It ranks 3rd of the year and sits inside the peak window of April, August and May.

What month is best for otters in Washington?+

April is the single busiest month, with the broader peak running through April, August and May, based on 2,532 verified observations.

Which otters are you most likely to see in Washington?+

The most-recorded species in Washington are North American River Otter, based on all-time iNaturalist counts.