Mosquito season in Edmonson County, KY: when it starts and ends
Mosquito months in Edmonson County
In a normal year mosquito season in Edmonson County, KY starts around April 8 and ends around November 1, about 30 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Edmonson County, and when
- Start tipping out standing water weekly by March 25.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after November 1.
- No West Nile cases since 2016, so bites in Edmonson County are a nuisance; check window screens.
Edmonson County against the rest of KY
Edmonson County has the 91st longest season of 120 KY counties, at 207 days against 249 in Lyon County and 180 in Shelby County. Its mean temperature is 57.6°F.
- Mason County: April 6 to October 30 (207 days, 1 WNV)
- Powell County: April 6 to October 30 (207 days, 1 WNV)
- Crittenden County: April 6 to October 29 (206 days, 0 WNV)
- Estill County: April 7 to October 30 (206 days, 1 WNV)
West Nile in Edmonson County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Edmonson County (1 neuroinvasive) across 1 year. The worst was 2002 with 1; the latest was 2002.
Background: when the season starts across the US; how the dates are worked out.