Mosquito season in Franklin County, FL: when it starts and ends
Mosquito months in Franklin County
In a normal year mosquito season in Franklin County, FL starts around February 5 and ends around January 1, about 47 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Franklin County, and when
- Start tipping out standing water weekly by January 22.
- Book any yard treatment for early February, ahead of the July peak.
- Repellent can go away after January 1.
- No West Nile cases since 2016, so bites in Franklin County are a nuisance; check window screens.
Franklin County against the rest of FL
Franklin County has the 42nd longest season of 67 FL counties, at 330 days against 365 in Broward County and 281 in Gilchrist County. Its mean temperature is 69.1°F.
- Suwannee County: January 31 to December 29 (332 days, 2 WNV)
- Nassau County: February 4 to January 2 (332 days, 4 WNV)
- Jefferson County: February 4 to December 27 (326 days, 0 WNV)
- Pasco County: February 7 to December 29 (325 days, 1 WNV)
West Nile in Franklin County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Franklin County (0 neuroinvasive) across 1 year. The worst was 2003 with 1; the latest was 2003.
See how the dates are worked out, and where mosquitoes never stop.