Mosquito season in Estill County, KY: when it starts and ends
Mosquito months in Estill County
In a normal year mosquito season in Estill County, KY starts around April 7 and ends around October 30, about 29 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Estill County, and when
- Start tipping out standing water weekly by March 24.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after October 30.
- 1 West Nile case since 2016 (last 2017): you should use repellent at dusk June to August, more so if over 60.
Estill County against the rest of KY
Estill County has the 93rd longest season of 120 KY counties, at 206 days against 249 in Lyon County and 180 in Shelby County. Its mean temperature is 54.9°F.
- Edmonson County: April 8 to November 1 (207 days, 0 WNV)
- Crittenden County: April 6 to October 29 (206 days, 0 WNV)
- Knott County: April 8 to October 31 (206 days, 0 WNV)
- Letcher County: April 8 to October 31 (206 days, 0 WNV)
West Nile in Estill County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Estill County (1 neuroinvasive) across 1 year. The worst was 2017 with 1; the latest was 2017.
More: how the dates are worked out · when the season starts across the US.