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.

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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 photographed in Alaska

Northern Black Widow · Joseph McPhail CC BY

Western Black Widow photographed in Alaska

Western Black Widow · Rebecca Ray CC BY

Western Black Widow photographed in Alaska

Western Black Widow · Michael Eisen CC BY

Photos by iNaturalist observers, reused under the licence each observer chose.
Best months: September

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)

Quietest month

January

No verified records

MonthObservationsShare
January00%
February00%
March00%
April00%
May00%
June00%
July00%
August00%
Septemberpeak1100%
October00%
November00%
December00%

Black Widows you are most likely to see

SpeciesVerified observations
Western Black Widow1

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.

MonthAvg highAvg lowRain
Jan20°F11°F1.8"
Feb24°F14°F2.4"
Mar33°F19°F1.7"
Apr44°F27°F1.3"
May58°F41°F1.8"
Jun67°F50°F1.2"
Jul69°F54°F3.5"
Aug66°F52°F4.5"
Sepbest time55°F43°F5.2"
Oct42°F32°F3.7"
Nov27°F18°F3.6"
Dec22°F12°F3.1"

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 RiverWild River
  • Aleutian Islands World War II National Historic AreaNational Historic Area
  • Aniakchak National Monument & PreserveNational Monument & Preserve
  • Bering Land Bridge National PreserveNational Preserve
  • Cape Krusenstern National MonumentNational Monument
  • Denali National Park & PreserveNational 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.