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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.

Flea season mid-May to late September
January — Quiet February — Quiet March — Quiet April — Quiet May — Low June — Moderate July — Moderate August — Moderate September — Moderate October — Low November — Quiet December — Quiet J F M A M J J A S O N D Juneau Quiet most years

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.

Elsewhere in Alaska