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When Is Mosquito Season in Southwest Florida?

When mosquitoes (and no-see-ums) are worst in Southwest Florida, and how to take your yard back.

Quick answer: mosquito season in Southwest Florida is effectively year-round, but it peaks from May through October during the warm, rainy wet season. Near the coast and mangroves, biting no-see-ums add to the pressure. Recurring yard treatments and misting systems cut the population fast.

The season timeline

Activity climbs as temperatures and rain rise in late spring, peaks through summer, and tapers in the cooler, drier months — but our mild winters mean it never fully stops.

Why it is year-round here

Standing water from rain, irrigation, and canals gives mosquitoes constant breeding sites, and warm temperatures keep them active.

No-see-ums on the coast

Coastal and waterfront communities like Marco Island, Sanibel, and Fort Myers Beach also deal with biting midges (no-see-ums) off the mangroves, which need targeted treatment.

How to reduce them

Eliminate standing water, then use recurring mosquito control — yard treatments or an automatic misting system for waterfront homes.

Frequently Asked Questions

What months are worst for mosquitoes in Florida?

May through October, during the wet season, though Southwest Florida has some mosquito activity year-round.

How often should I treat for mosquitoes?

Recurring treatments every few weeks during peak season keep the population down; misting systems run automatically.

Do you treat no-see-ums?

Yes — biting midges off the mangroves need a specialized yard treatment, common on the coast and barrier islands.

Get a Free Inspection in Southwest Florida

Super Pest Guard is FDACS-licensed and serves Naples and 40+ SW Florida communities with same-week service.

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