Best Time to See Centipedes in Alaska

May, June and July is the best time to see centipedes in Alaska. Based on 221 verified iNaturalist observations, here is exactly when centipedes 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.

Strigamia bothriopus photographed in Alaska

Strigamia bothriopus · Judy Gallagher CC BY-SA

Common Desert Centipede photographed in Alaska

Common Desert Centipede · Public domain CC0

Common Desert Centipede photographed in Alaska

Common Desert Centipede · Evrytte Carlson CC BY

Photos by iNaturalist observers, reused under the licence each observer chose.
Best months: May, June, JulyPeak season right now

221 verified observations of centipedes in Alaska, recorded across 12 months of the year on iNaturalist.

When centipedes are recorded in Alaska

Peak month

May

35 records (15.8% of the year)

Quietest month

December

3 records

MonthObservationsShare
January41.8%
February41.8%
March188.1%
April177.7%
Maypeak3515.8%
Junepeak3013.6%
Julypeak2913.1%
August2913.1%
September2410.9%
October2210%
November62.7%
December31.4%

Centipedes you are most likely to see

SpeciesVerified observations
Bothropolys18
Brown Centipede9
Thorn-tailed Bark Centipede5
Common Schendyla2
Garden Lithobius2
Strigamia chionophila2
Henicopidae1
Geophilus alaskanus1

Weather to expect, source Open-Meteo

Typical weather in Alaska

Recent typical conditions by month, so you can plan a trip around both when centipedes are active and what the weather is doing. The best months to look for centipedes sit around 41 to 69 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"
Maybest time58°F41°F1.8"
Junbest time67°F50°F1.2"
Julbest time69°F54°F3.5"
Aug66°F52°F4.5"
Sep55°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 centipedes in Alaska peak in May, when 35 of the year's 221 verified observations are logged — about 15.8% of the annual total. Activity stays high through May, June and July.

The quietest stretch is December, January and February, when centipedes are hardest to find — December sees just 3 records. If a reliable sighting matters, plan around the peak window rather than the off-season.

The centipedes you are most likely to encounter in Alaska are Bothropolys, Brown Centipede and Thorn-tailed Bark Centipede — 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 centipedes 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 centipedes in Alaska?+

May is the single best month, and the broader peak window runs through May, June and July, based on 221 verified iNaturalist observations.

When are centipedes hardest to see in Alaska?+

December is the quietest month for centipedes in Alaska, with only 3 verified records.

Are centipedes active year-round in Alaska?+

Centipedes are recorded in 12 of 12 months in Alaska, so they can be seen year-round, with a clear peak in May.