Best Time to See Grizzly Bears in Washington
May, October and August is the best time to see grizzly bears in Washington. Based on 5 verified iNaturalist observations, here is exactly when grizzly bears 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 July 10, 2026.
5 verified observations of grizzly bears in Washington, recorded across 3 months of the year on iNaturalist.
When grizzly bears are recorded in Washington
Peak month
May
2 records (40% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 0 | 0% |
| March | 0 | 0% |
| April | 0 | 0% |
| Maypeak | 2 | 40% |
| June | 0 | 0% |
| July | 0 | 0% |
| Augustpeak | 1 | 20% |
| September | 0 | 0% |
| Octoberpeak | 2 | 40% |
| November | 0 | 0% |
| December | 0 | 0% |
Grizzly Bears you are most likely to see
| Species | Verified observations |
|---|---|
| Brown Bear | 5 |
Weather to expect, source Open-Meteo
Typical weather in Washington
Recent typical conditions by month, so you can plan a trip around both when grizzly bears are active and what the weather is doing. The best months to look for grizzly bears sit around 39 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" |
| 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" |
| Octbest time | 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 grizzly bears in Washington:
Sightings of grizzly bears in Washington peak in May, when 2 of the year's 5 verified observations are logged — about 40% of the annual total. Activity stays high through May, October and August.
The quietest stretch is January, February and March, when grizzly bears are hardest to find — no verified records exist for January. If a reliable sighting matters, plan around the peak window rather than the off-season.
The grizzly bears you are most likely to encounter in Washington are Brown Bear — 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 grizzly bears 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 grizzly bears in Washington?+
May is the single best month, and the broader peak window runs through May, October and August, based on 5 verified iNaturalist observations.
When are grizzly bears hardest to see in Washington?+
January is the quietest month for grizzly bears in Washington, with no verified records on iNaturalist.
Are grizzly bears active year-round in Washington?+
Grizzly bears are recorded in 3 of 12 months in Washington, concentrated around May and October.
More places to see grizzly bears
More wildlife in Washington