Mosquito season in Boyle County, KY: when it starts and ends
Mosquito months in Boyle County
In a normal year mosquito season in Boyle County, KY starts around March 31 and ends around November 2, about 31 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Boyle County, and when
- Start tipping out standing water weekly by March 17.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 2.
- No West Nile cases since 2016, so bites in Boyle County are a nuisance; check window screens.
Boyle County against the rest of KY
Boyle County has the 43rd longest season of 120 KY counties, at 216 days against 249 in Lyon County and 180 in Shelby County. Its mean temperature is 55.7°F.
- Woodford County: March 31 to November 3 (217 days, 1 WNV)
- Green County: April 1 to November 4 (217 days, 0 WNV)
- Scott County: March 31 to November 2 (216 days, 0 WNV)
- Laurel County: April 1 to November 3 (216 days, 0 WNV)
West Nile in Boyle County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Boyle County (2 neuroinvasive) across 1 year. The worst was 2002 with 2; the latest was 2002.
See how the dates are worked out, and when the season starts across the US.