Mosquito season in Bath County, KY: when it starts and ends
Mosquito months in Bath County
In a normal year mosquito season in Bath County, KY starts around April 3 and ends around October 31, about 30 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Bath 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 October 31.
- No West Nile cases since 2016, so bites in Bath County are a nuisance; check window screens.
Bath County against the rest of KY
Bath County has the 64th longest season of 120 KY counties, at 211 days against 249 in Lyon County and 180 in Shelby County. Its mean temperature is 54.4°F.
- Butler County: April 2 to October 30 (211 days, 0 WNV)
- Muhlenberg County: April 2 to October 30 (211 days, 0 WNV)
- Campbell County: April 3 to October 31 (211 days, 1 WNV)
- Menifee County: April 3 to October 31 (211 days, 0 WNV)
West Nile in Bath County
CDC ArboNET lists no human West Nile cases for Bath County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 2 of those years.
Background: when the season starts across the US; how the dates are worked out.