Mosquito season in Larue County, KY: when it starts and ends
Mosquito months in Larue County
In a normal year mosquito season in Larue 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 Larue 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.
- No West Nile cases since 2016, so bites in Larue County are a nuisance; check window screens.
Larue County against the rest of KY
Larue County has the 58th longest season of 120 KY counties, at 213 days against 249 in Lyon County and 180 in Shelby County. Its mean temperature is 56.6°F.
- Anderson County: April 3 to November 3 (214 days, 1 WNV)
- Bullitt County: April 4 to November 3 (213 days, 1 WNV)
- Wayne County: April 4 to November 3 (213 days, 1 WNV)
- Madison County: April 3 to November 1 (212 days, 1 WNV)
West Nile in Larue County
CDC ArboNET lists no human West Nile cases for Larue County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 3 of those years.
See how the dates are worked out, and when the season starts across the US.