Mosquito season in Knott County, KY: when it starts and ends
Mosquito months in Knott County
In a normal year mosquito season in Knott County, KY starts around April 8 and ends around October 31, about 29 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Knott County, and when
- Start tipping out standing water weekly by March 25.
- 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 Knott County are a nuisance; check window screens.
Knott County against the rest of KY
Knott County has the 94th longest season of 120 KY counties, at 206 days against 249 in Lyon County and 180 in Shelby County. Its mean temperature is 55.5°F.
- Crittenden County: April 6 to October 29 (206 days, 0 WNV)
- Estill County: April 7 to October 30 (206 days, 1 WNV)
- Letcher County: April 8 to October 31 (206 days, 0 WNV)
- Floyd County: April 9 to October 31 (205 days, 0 WNV)
West Nile in Knott County
CDC ArboNET lists no human West Nile cases for Knott County from 1999 to 2025.
See how the dates are worked out, and when mosquitoes go away for the winter.