Best Time to See Black Widows in Connecticut
June, May and July is the best time to see black widows in Connecticut. Based on 79 verified iNaturalist observations, here is exactly when black widows are most active across the year in Connecticut.
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
79 verified observations of black widows in Connecticut, recorded across 10 months of the year on iNaturalist.
When black widows are recorded in Connecticut
Peak month
June
29 records (36.7% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 1 | 1.3% |
| February | 0 | 0% |
| March | 0 | 0% |
| April | 1 | 1.3% |
| Maypeak | 13 | 16.5% |
| Junepeak | 29 | 36.7% |
| Julypeak | 12 | 15.2% |
| August | 10 | 12.7% |
| September | 6 | 7.6% |
| October | 4 | 5.1% |
| November | 1 | 1.3% |
| December | 2 | 2.5% |
Black Widows you are most likely to see
| Species | Verified observations |
|---|---|
| Northern Black Widow | 68 |
| Brown Widow | 2 |
Weather to expect, source Open-Meteo
Typical weather in Connecticut
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 48 to 84 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 39°F | 24°F | 4.2" |
| Feb | 41°F | 24°F | 3.6" |
| Mar | 49°F | 30°F | 4.2" |
| Apr | 58°F | 39°F | 5.5" |
| Maybest time | 68°F | 48°F | 4" |
| Junbest time | 78°F | 59°F | 3.6" |
| Julbest time | 84°F | 66°F | 5.2" |
| Aug | 82°F | 65°F | 4.1" |
| Sep | 74°F | 58°F | 5.9" |
| Oct | 64°F | 48°F | 5.6" |
| Nov | 51°F | 35°F | 3.1" |
| Dec | 43°F | 29°F | 5.9" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Connecticut. Weather varies year to year, so treat these as a guide.
Sightings of black widows in Connecticut peak in June, when 29 of the year's 79 verified observations are logged — about 36.7% of the annual total. Activity stays high through June, May and July.
The quietest stretch is February, March and January, when black widows are hardest to find — no verified records exist for February. 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 Connecticut are Northern Black Widow and 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 Connecticut
- Appalachian National Scenic Trail — National Scenic Trail
- Coltsville National Historical Park — National Historical Park
- New England National Scenic Trail — National Scenic Trail
- Washington-Rochambeau Revolutionary Route National Historic Trail — National Historic Trail
- Weir Farm National Historical Park — National Historical Park
Frequently asked questions
What is the best month to see black widows in Connecticut?+
June is the single best month, and the broader peak window runs through June, May and July, based on 79 verified iNaturalist observations.
When are black widows hardest to see in Connecticut?+
February is the quietest month for black widows in Connecticut, with no verified records on iNaturalist.
Are black widows active year-round in Connecticut?+
Black widows are recorded in 10 of 12 months in Connecticut, concentrated around June and May.
More wildlife in Connecticut