Mosquito season in Hardee County, FL: when it starts and ends

Mosquito months in Hardee County

In a normal year mosquito season in Hardee County, FL starts around January 28 and ends around January 15, about 50 weeks.

What to do in Hardee County, and when

Start tipping out standing water weekly by January 14.
Book any yard treatment for late January, ahead of the August peak.
Repellent can go away after January 15.
No West Nile cases since 2016, so bites in Hardee County are a nuisance; check window screens.

Hardee County against the rest of FL

Hardee County has the 27th longest season of 67 FL counties, at 352 days against 365 in Broward County and 281 in Gilchrist County. Its mean temperature is 72.4°F.

Putnam County: January 21 to January 12 (356 days, 2 WNV)
Okeechobee County: January 22 to January 13 (356 days, 1 WNV)
Hernando County: January 24 to January 9 (350 days, 0 WNV)
St. Johns County: January 25 to January 10 (350 days, 2 WNV)

West Nile in Hardee County

CDC ArboNET lists no human West Nile cases for Hardee County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 1 of those years.

See how the dates are worked out, and where mosquitoes never stop.