Best Time to See Ladybugs in Washington
June, May and July is the best time to see ladybugs in Washington. Based on 17,175 verified iNaturalist observations, here is exactly when ladybugs 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.

Flying Saucer Lady Beetle · Claus Giloi CC BY

Convergent Lady Beetle · Gavin Slater CC BY

Seven-spotted Lady Beetle · Gavin Slater CC BY
17,175 verified observations of ladybugs in Washington, recorded across 12 months of the year on iNaturalist.
When ladybugs are recorded in Washington
Peak month
June
4,235 records (24.7% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 140 | 0.8% |
| February | 190 | 1.1% |
| March | 602 | 3.5% |
| April | 1,709 | 10% |
| Maypeak | 3,798 | 22.1% |
| Junepeak | 4,235 | 24.7% |
| Julypeak | 2,864 | 16.7% |
| August | 1,488 | 8.7% |
| September | 830 | 4.8% |
| October | 849 | 4.9% |
| November | 342 | 2% |
| December | 128 | 0.7% |
Ladybugs you are most likely to see
| Species | Verified observations |
|---|---|
| Asian Lady Beetle | 5,469 |
| Seven-spotted Lady Beetle | 3,174 |
| Western Polished Lady Beetle | 1,758 |
| Convergent Lady Beetle | 1,230 |
| Twenty-spotted Lady Beetle | 1,042 |
| Painted Lady Beetle | 719 |
| Two-spotted Lady Beetle | 421 |
| Western Fairy Lady Beetle | 415 |
Weather to expect, source Open-Meteo
Typical weather in Washington
Recent typical conditions by month, so you can plan a trip around both when ladybugs are active and what the weather is doing. The best months to look for ladybugs sit around 44 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" |
| Junbest time | 76°F | 51°F | 0.9" |
| Julbest time | 86°F | 57°F | 0.2" |
| Aug | 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 ladybugs in Washington:
Sightings of ladybugs in Washington peak in June, when 4,235 of the year's 17,175 verified observations are logged — about 24.7% of the annual total. Activity stays high through June, May and July.
The quietest stretch is December, January and February, when ladybugs are hardest to find — December sees just 128 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The ladybugs you are most likely to encounter in Washington are Asian Lady Beetle, Seven-spotted Lady Beetle and Western Polished Lady Beetle — 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 ladybugs 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 ladybugs in Washington?+
June is the single best month, and the broader peak window runs through June, May and July, based on 17,175 verified iNaturalist observations.
When are ladybugs hardest to see in Washington?+
December is the quietest month for ladybugs in Washington, with only 128 verified records.
Are ladybugs active year-round in Washington?+
Ladybugs are recorded in 12 of 12 months in Washington, so they can be seen year-round, with a clear peak in June.
More places to see ladybugs
More wildlife in Washington