Best Time to See Hummingbirds in Maine
May, August and July is the best time to see hummingbirds in Maine. Based on 882 verified iNaturalist observations, here is exactly when hummingbirds are most active across the year in Maine.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

Ruby-throated Hummingbird · Dilrukshan Priyantha Wijesinghe CC BY

Ruby-throated Hummingbird · Hippytiger CC BY

Ruby-throated Hummingbird · Bill Keim CC BY
882 verified observations of hummingbirds in Maine, recorded across 8 months of the year on iNaturalist.
When hummingbirds are recorded in Maine
Peak month
May
297 records (33.7% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 0 | 0% |
| March | 2 | 0.2% |
| April | 0 | 0% |
| Maypeak | 297 | 33.7% |
| June | 91 | 10.3% |
| Julypeak | 156 | 17.7% |
| Augustpeak | 243 | 27.6% |
| September | 84 | 9.5% |
| October | 7 | 0.8% |
| November | 2 | 0.2% |
| December | 0 | 0% |
Hummingbirds you are most likely to see
| Species | Verified observations |
|---|---|
| Ruby-throated Hummingbird | 869 |
| Rufous Hummingbird | 4 |
| Broad-tailed Hummingbird | 1 |
Weather to expect, source Open-Meteo
Typical weather in Maine
Recent typical conditions by month, so you can plan a trip around both when hummingbirds are active and what the weather is doing. The best months to look for hummingbirds sit around 43 to 80 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 28°F | 11°F | 4" |
| Feb | 28°F | 11°F | 3.1" |
| Mar | 39°F | 20°F | 2.7" |
| Apr | 51°F | 32°F | 4.8" |
| Maybest time | 64°F | 43°F | 3.2" |
| Jun | 74°F | 54°F | 3.7" |
| Julbest time | 80°F | 62°F | 4.9" |
| Augbest time | 77°F | 60°F | 4.7" |
| Sep | 69°F | 53°F | 4.4" |
| Oct | 58°F | 43°F | 5.3" |
| Nov | 43°F | 29°F | 3.8" |
| Dec | 34°F | 20°F | 5" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Maine. Weather varies year to year, so treat these as a guide.
More on hummingbirds in Maine:
Sightings of hummingbirds in Maine peak in May, when 297 of the year's 882 verified observations are logged — about 33.7% of the annual total. Activity stays high through May, August and July.
The quietest stretch is January, February and April, when hummingbirds 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 hummingbirds you are most likely to encounter in Maine are Ruby-throated Hummingbird, Rufous Hummingbird and Broad-tailed Hummingbird — 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 hummingbirds in Maine
- Acadia National Park — National Park
- Appalachian National Scenic Trail — National Scenic Trail
- Katahdin Woods and Waters National Monument — National Monument
- Saint Croix Island International Historic Site — International Historic Site
- Frances Perkins National Monument — National Monument
- Maine Acadian Culture
Gear to see them
Frequently asked questions
What is the best month to see hummingbirds in Maine?+
May is the single best month, and the broader peak window runs through May, August and July, based on 882 verified iNaturalist observations.
When are hummingbirds hardest to see in Maine?+
January is the quietest month for hummingbirds in Maine, with no verified records on iNaturalist.
Are hummingbirds active year-round in Maine?+
Hummingbirds are recorded in 8 of 12 months in Maine, concentrated around May and August.
More places to see hummingbirds
More wildlife in Maine