Best Time to See Black Widows in Alaska
September is the best time to see black widows in Alaska. Based on 1 verified iNaturalist observations, here is exactly when black widows are most active across the year in Alaska.
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
1 verified observations of black widows in Alaska, recorded across 1 months of the year on iNaturalist.
When black widows are recorded in Alaska
Peak month
September
1 records (100% 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% |
| Septemberpeak | 1 | 100% |
| October | 0 | 0% |
| November | 0 | 0% |
| December | 0 | 0% |
Black Widows you are most likely to see
| Species | Verified observations |
|---|---|
| Western Black Widow | 1 |
Weather to expect, source Open-Meteo
Typical weather in Alaska
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 43 to 55 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 20°F | 11°F | 1.8" |
| Feb | 24°F | 14°F | 2.4" |
| Mar | 33°F | 19°F | 1.7" |
| Apr | 44°F | 27°F | 1.3" |
| May | 58°F | 41°F | 1.8" |
| Jun | 67°F | 50°F | 1.2" |
| Jul | 69°F | 54°F | 3.5" |
| Aug | 66°F | 52°F | 4.5" |
| Sepbest time | 55°F | 43°F | 5.2" |
| Oct | 42°F | 32°F | 3.7" |
| Nov | 27°F | 18°F | 3.6" |
| Dec | 22°F | 12°F | 3.1" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Alaska. Weather varies year to year, so treat these as a guide.
Sightings of black widows in Alaska peak in September, when 1 of the year's 1 verified observations are logged — about 100% of the annual total.
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 Alaska 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 Alaska
- Alagnak Wild River — Wild River
- Aleutian Islands World War II National Historic Area — National Historic Area
- Aniakchak National Monument & Preserve — National Monument & Preserve
- Bering Land Bridge National Preserve — National Preserve
- Cape Krusenstern National Monument — National Monument
- Denali National Park & Preserve — National Park & Preserve
Frequently asked questions
What is the best month to see black widows in Alaska?+
September is the single best month, and the broader peak window runs through September, based on 1 verified iNaturalist observations.
When are black widows hardest to see in Alaska?+
January is the quietest month for black widows in Alaska, with no verified records on iNaturalist.
Are black widows active year-round in Alaska?+
Black widows are recorded in 1 of 12 months in Alaska, concentrated around September.
More wildlife in Alaska