Mosquito season in Whitley County, KY: when it starts and ends
Mosquito months in Whitley County
In a normal year mosquito season in Whitley County, KY starts around April 11 and ends around November 1, about 29 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Whitley County, and when
- Start tipping out standing water weekly by March 28.
- Book any yard treatment for mid April, ahead of the July peak.
- Repellent can go away after November 1.
- No West Nile cases since 2016, so bites in Whitley County are a nuisance; check window screens.
Whitley County against the rest of KY
Whitley County has the 97th longest season of 120 KY counties, at 204 days against 249 in Lyon County and 180 in Shelby County. Its mean temperature is 55.6°F.
- Letcher County: April 8 to October 31 (206 days, 0 WNV)
- Floyd County: April 9 to October 31 (205 days, 0 WNV)
- Pike County: April 9 to October 29 (203 days, 0 WNV)
- Magoffin County: April 11 to October 31 (203 days, 0 WNV)
West Nile in Whitley County
CDC ArboNET lists no human West Nile cases for Whitley County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 1 of those years.
Background: when mosquitoes go away for the winter; how the dates are worked out.