Mosquito season in Pendleton County, KY: when it starts and ends
Mosquito months in Pendleton County
In a normal year mosquito season in Pendleton County, KY starts around April 3 and ends around November 4, about 31 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Pendleton County, and when
- Start tipping out standing water weekly by March 20.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after November 4.
- No West Nile cases since 2016, so bites in Pendleton County are a nuisance; check window screens.
Pendleton County against the rest of KY
Pendleton County has the 53rd longest season of 120 KY counties, at 215 days against 249 in Lyon County and 180 in Shelby County. Its mean temperature is 55.5°F.
- Rockcastle County: April 2 to November 3 (215 days, 0 WNV)
- Franklin County: April 3 to November 4 (215 days, 1 WNV)
- Oldham County: March 31 to October 31 (214 days, 0 WNV)
- Henry County: April 1 to October 31 (214 days, 1 WNV)
West Nile in Pendleton County
CDC ArboNET lists no human West Nile cases for Pendleton County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 3 of those years.
Background: when the season starts across the US; how the dates are worked out.