Mosquito season in Wayne County, KY: when it starts and ends
Mosquito months in Wayne County
In a normal year mosquito season in Wayne County, KY starts around April 4 and ends around November 3, about 30 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Wayne County, and when
- Start tipping out standing water weekly by March 21.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after November 3.
- 1 West Nile case since 2016 (last 2024): you should use repellent at dusk June to August, more so if over 60.
Wayne County against the rest of KY
Wayne County has the 59th longest season of 120 KY counties, at 213 days against 249 in Lyon County and 180 in Shelby County. Its mean temperature is 56.4°F.
- Bullitt County: April 4 to November 3 (213 days, 1 WNV)
- Larue County: April 4 to November 3 (213 days, 0 WNV)
- Madison County: April 3 to November 1 (212 days, 1 WNV)
- Marshall County: March 31 to October 28 (211 days, 0 WNV)
West Nile in Wayne County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Wayne County (1 neuroinvasive) across 2 years. The worst was 2024 with 1; the latest was 2024.
More: how the dates are worked out · when mosquitoes go away for the winter.