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Juneau · AK
When does flea season start in Juneau?
Flea season in Juneau typically runs mid-May to late September, peaking null.
Ticks in Juneau
Local tick activity typically runs early April to late October, heaviest Jun–Aug. The species to know in Alaska: American dog tick, brown dog tick.
More on species and timing: Alaska tick season.
Numbers come from NOAA U.S. Climate Normals (1991–2020) recorded at JUNEAU INTL AP — a climate-based estimate; real years wobble.
Frequently asked questions
When does flea season start in Juneau?
Around mid-May in a typical year, once local averages hold around 50°F. A warm spring pulls it earlier — prevention shouldn't wait for the calendar.
Is flea season in Juneau different from the rest of Alaska?
Not meaningfully — Juneau tracks the Alaska statewide estimate closely. Both are climate-based estimates, so treat the edges as fuzzy, not exact.
Do dogs in Juneau need prevention outside flea season?
Yes — vets recommend year-round parasite prevention regardless of the local calendar. Indoor fleas ignore the weather entirely, and ticks in Alaska are typically active mid-April to mid-October, a longer window than fleas get.