FleaDates › Flea season › Nevada › Las Vegas
Las Vegas · NV
When does flea season start in Las Vegas?
Flea season in Las Vegas typically runs mid-January to mid-December, peaking Mar–Oct. That's about 9 weeks earlier than the Nevada statewide estimate — city warmth and lower elevation add up.
Ticks in Las Vegas
Local tick activity typically runs year-round, heaviest Feb–Nov. The species to know in Nevada: Rocky Mountain wood tick, brown dog tick, American dog tick.
More on species and timing: Nevada tick season.
Numbers come from NOAA U.S. Climate Normals (1991–2020) recorded at LAS VEGAS MCCARRAN AP — a climate-based estimate; real years wobble.
Frequently asked questions
When does flea season start in Las Vegas?
Around mid-January 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 Las Vegas different from the rest of Nevada?
Somewhat. That's about 9 weeks earlier than the Nevada statewide estimate — city warmth and lower elevation add up. The statewide page averages several stations across Nevada; this page uses the normals recorded at LAS VEGAS MCCARRAN AP.
Do dogs in Las Vegas 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 Nevada are typically active late January to mid-December, a longer window than fleas get.