Best Time to See Black Widows in Wyoming
September, August and July is the best time to see black widows in Wyoming. Based on 68 verified iNaturalist observations, here is exactly when black widows are most active across the year in Wyoming.
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
68 verified observations of black widows in Wyoming, recorded across 12 months of the year on iNaturalist.
When black widows are recorded in Wyoming
Peak month
September
20 records (29.4% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 1 | 1.5% |
| February | 1 | 1.5% |
| March | 2 | 2.9% |
| April | 1 | 1.5% |
| May | 5 | 7.4% |
| June | 6 | 8.8% |
| Julypeak | 8 | 11.8% |
| Augustpeak | 13 | 19.1% |
| Septemberpeak | 20 | 29.4% |
| October | 7 | 10.3% |
| November | 2 | 2.9% |
| December | 2 | 2.9% |
Black Widows you are most likely to see
| Species | Verified observations |
|---|---|
| Western Black Widow | 64 |
Weather to expect, source Open-Meteo
Typical weather in Wyoming
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 50 to 84 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 27°F | 15°F | 0.9" |
| Feb | 25°F | 9°F | 0.7" |
| Mar | 35°F | 19°F | 1.6" |
| Apr | 45°F | 26°F | 1.9" |
| May | 60°F | 40°F | 2.3" |
| Jun | 74°F | 52°F | 1.7" |
| Julbest time | 84°F | 60°F | 0.3" |
| Augbest time | 82°F | 58°F | 0.9" |
| Sepbest time | 72°F | 50°F | 0.8" |
| Oct | 51°F | 33°F | 1.9" |
| Nov | 40°F | 24°F | 0.7" |
| Dec | 30°F | 17°F | 0.5" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Wyoming. Weather varies year to year, so treat these as a guide.
Sightings of black widows in Wyoming peak in September, when 20 of the year's 68 verified observations are logged — about 29.4% of the annual total. Activity stays high through September, August and July.
The quietest stretch is January, February and April, when black widows are hardest to find — January sees just 1 records. 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 Wyoming are Western Black 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 Wyoming
- Bighorn Canyon National Recreation Area — National Recreation Area
- Devils Tower National Monument — National Monument
- Fossil Butte National Monument — National Monument
- Grand Teton National Park — National Park
- Yellowstone National Park — National Park
- California National Historic Trail — National Historic Trail
Frequently asked questions
What is the best month to see black widows in Wyoming?+
September is the single best month, and the broader peak window runs through September, August and July, based on 68 verified iNaturalist observations.
When are black widows hardest to see in Wyoming?+
January is the quietest month for black widows in Wyoming, with only 1 verified records.
Are black widows active year-round in Wyoming?+
Black widows are recorded in 12 of 12 months in Wyoming, so they can be seen year-round, with a clear peak in September.
More wildlife in Wyoming