Best Time to See Frogs in Washington
August, July and June is the best time to see frogs in Washington. Based on 29,634 verified iNaturalist observations, here is exactly when frogs 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.

Pacific chorus frog · brentnmoran CC BY-SA

Rocky Mountain Tailed Frog · Public domain CC0

Cascades Frog · Rajan Rao CC BY
29,634 verified observations of frogs in Washington, recorded across 12 months of the year on iNaturalist.
When frogs are recorded in Washington
Peak month
August
5,653 records (19.1% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 235 | 0.8% |
| February | 564 | 1.9% |
| March | 2,091 | 7.1% |
| April | 3,306 | 11.2% |
| May | 3,568 | 12% |
| Junepeak | 3,848 | 13% |
| Julypeak | 4,455 | 15% |
| Augustpeak | 5,653 | 19.1% |
| September | 3,582 | 12.1% |
| October | 1,753 | 5.9% |
| November | 424 | 1.4% |
| December | 155 | 0.5% |
Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| Pacific chorus frog | 13,359 |
| American Bullfrog | 5,542 |
| Northern Red-legged Frog | 3,496 |
| Western Toad | 3,083 |
| Cascades Frog | 2,033 |
| Coastal Tailed Frog | 490 |
| Columbia Spotted Frog | 236 |
| Oregon Spotted Frog | 137 |
Weather to expect, source Open-Meteo
Typical weather in Washington
Recent typical conditions by month, so you can plan a trip around both when frogs are active and what the weather is doing. The best months to look for frogs 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 frogs in Washington:
Sightings of frogs in Washington peak in August, when 5,653 of the year's 29,634 verified observations are logged — about 19.1% of the annual total. Activity stays high through August, July and June.
The quietest stretch is December, when frogs are hardest to find — December sees just 155 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The frogs you are most likely to encounter in Washington are Pacific chorus frog, American Bullfrog and Northern Red-legged Frog — 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 frogs 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
Gear to see them
Frequently asked questions
What is the best month to see frogs in Washington?+
August is the single best month, and the broader peak window runs through August, July and June, based on 29,634 verified iNaturalist observations.
When are frogs hardest to see in Washington?+
December is the quietest month for frogs in Washington, with only 155 verified records.
Are frogs active year-round in Washington?+
Frogs are recorded in 12 of 12 months in Washington, so they can be seen year-round, with a clear peak in August.
More places to see frogs
More wildlife in Washington