Best Time to See Black Widows in Maine
October and November is the best time to see black widows in Maine. Based on 2 verified iNaturalist observations, here is exactly when black widows 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 July 22, 2026.

Northern Black Widow · Joseph McPhail CC BY

Western Black Widow · Rebecca Ray CC BY

Western Black Widow · Michael Eisen CC BY
2 verified observations of black widows in Maine, recorded across 2 months of the year on iNaturalist.
When black widows are recorded in Maine
Peak month
October
1 records (50% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 0 | 0% |
| March | 0 | 0% |
| April | 0 | 0% |
| May | 0 | 0% |
| June | 0 | 0% |
| July | 0 | 0% |
| August | 0 | 0% |
| September | 0 | 0% |
| Octoberpeak | 1 | 50% |
| Novemberpeak | 1 | 50% |
| December | 0 | 0% |
Black Widows you are most likely to see
| Species | Verified observations |
|---|---|
| Brown Widow | 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 black widows are active and what the weather is doing. The best months to look for black widows sit around 29 to 58 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" |
| May | 64°F | 43°F | 3.2" |
| Jun | 74°F | 54°F | 3.7" |
| Jul | 80°F | 62°F | 4.9" |
| Aug | 77°F | 60°F | 4.7" |
| Sep | 69°F | 53°F | 4.4" |
| Octbest time | 58°F | 43°F | 5.3" |
| Novbest time | 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.
Sightings of black widows in Maine peak in October, when 1 of the year's 2 verified observations are logged — about 50% of the annual total. Activity stays high through October and November.
The quietest stretch is January, February and March, when black widows 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 black widows you are most likely to encounter in Maine are Brown Widow — 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 black widows 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
Frequently asked questions
What is the best month to see black widows in Maine?+
October is the single best month, and the broader peak window runs through October and November, based on 2 verified iNaturalist observations.
When are black widows hardest to see in Maine?+
January is the quietest month for black widows in Maine, with no verified records on iNaturalist.
Are black widows active year-round in Maine?+
Black widows are recorded in 2 of 12 months in Maine, concentrated around October and November.
More wildlife in Maine