Best Time to See Yellow Rumped Warblers in Massachusetts
October, April and May is the best time to see yellow rumped warblers in Massachusetts. Based on 3,184 verified iNaturalist observations, here is exactly when yellow rumped warblers are most active across the year in Massachusetts.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 20, 2026.
Yellow-rumped Warbler · Jake McCumber CC BY
Myrtle Warbler · Public domain CC0
Myrtle Warbler · Public domain CC0
3,184 verified observations of yellow rumped warblers in Massachusetts, recorded across 12 months of the year on iNaturalist.
When yellow rumped warblers are recorded in Massachusetts
Peak month
October
875 records (27.5% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 78 | 2.4% |
| February | 80 | 2.5% |
| March | 85 | 2.7% |
| Aprilpeak | 843 | 26.5% |
| Maypeak | 835 | 26.2% |
| June | 4 | 0.1% |
| July | 1 | 0% |
| August | 2 | 0.1% |
| September | 106 | 3.3% |
| Octoberpeak | 875 | 27.5% |
| November | 142 | 4.5% |
| December | 133 | 4.2% |
Yellow Rumped Warblers you are most likely to see
| Species | Verified observations |
|---|---|
| Yellow-rumped Warbler | 3,184 |
Weather to expect, source Open-Meteo
Typical weather in Massachusetts
Recent typical conditions by month, so you can plan a trip around both when yellow rumped warblers are active and what the weather is doing. The best months to look for yellow rumped warblers sit around 38 to 68 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 37°F | 22°F | 3.8" |
| Feb | 39°F | 22°F | 3.4" |
| Mar | 48°F | 28°F | 3.6" |
| Aprbest time | 57°F | 38°F | 4.6" |
| Maybest time | 68°F | 47°F | 3.4" |
| Jun | 78°F | 58°F | 3.6" |
| Jul | 83°F | 65°F | 5.4" |
| Aug | 82°F | 64°F | 3.5" |
| Sep | 73°F | 56°F | 5.3" |
| Octbest time | 62°F | 47°F | 5.3" |
| Nov | 50°F | 34°F | 3.1" |
| Dec | 42°F | 27°F | 5.9" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Massachusetts. Weather varies year to year, so treat these as a guide.
Sightings of yellow rumped warblers in Massachusetts peak in October, when 875 of the year's 3,184 verified observations are logged — about 27.5% of the annual total. Activity stays high through October, April and May.
The quietest stretch is July, when yellow rumped warblers are hardest to find — July sees just 1 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The yellow rumped warblers you are most likely to encounter in Massachusetts are Yellow-rumped Warbler — 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 yellow rumped warblers in Massachusetts
- Appalachian National Scenic Trail — National Scenic Trail
- Blackstone River Valley National Historical Park — National Historical Park
- Boston Harbor Islands National Recreation Area — National Recreation Area
- Cape Cod National Seashore — National Seashore
- Adams National Historical Park — National Historical Park
- Boston African American National Historic Site — National Historic Site
Frequently asked questions
What is the best month to see yellow rumped warblers in Massachusetts?+
October is the single best month, and the broader peak window runs through October, April and May, based on 3,184 verified iNaturalist observations.
When are yellow rumped warblers hardest to see in Massachusetts?+
July is the quietest month for yellow rumped warblers in Massachusetts, with only 1 verified records.
Are yellow rumped warblers active year-round in Massachusetts?+
Yellow rumped warblers are recorded in 12 of 12 months in Massachusetts, so they can be seen year-round, with a clear peak in October.