Mosquito season in Floyd County, KY: when it starts and ends
Mosquito months in Floyd County
In a normal year mosquito season in Floyd County, KY starts around April 9 and ends around October 31, about 29 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Floyd County, and when
- Start tipping out standing water weekly by March 26.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after October 31.
- No West Nile cases since 2016, so bites in Floyd County are a nuisance; check window screens.
Floyd County against the rest of KY
Floyd County has the 96th longest season of 120 KY counties, at 205 days against 249 in Lyon County and 180 in Shelby County. Its mean temperature is 54.9°F.
- Knott County: April 8 to October 31 (206 days, 0 WNV)
- Letcher County: April 8 to October 31 (206 days, 0 WNV)
- Whitley County: April 11 to November 1 (204 days, 0 WNV)
- Pike County: April 9 to October 29 (203 days, 0 WNV)
West Nile in Floyd County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Floyd County (1 neuroinvasive) across 1 year. The worst was 2012 with 1; the latest was 2012.
Background: when mosquitoes go away for the winter; how the dates are worked out.