Mosquito season in Breathitt County, KY: when it starts and ends
Mosquito months in Breathitt County
In a normal year mosquito season in Breathitt County, KY starts around April 5 and ends around November 1, about 30 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Breathitt County, and when
- Start tipping out standing water weekly by March 22.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after November 1.
- 1 West Nile case since 2016 (last 2024): you should use repellent at dusk June to August, more so if over 60.
Breathitt County against the rest of KY
Breathitt County has the 73rd longest season of 120 KY counties, at 210 days against 249 in Lyon County and 180 in Shelby County. Its mean temperature is 54.8°F.
- Nicholas County: April 4 to October 31 (210 days, 0 WNV)
- Boone County: April 5 to November 1 (210 days, 1 WNV)
- Garrard County: April 5 to November 1 (210 days, 0 WNV)
- Harrison County: April 5 to November 1 (210 days, 1 WNV)
West Nile in Breathitt County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Breathitt County (1 neuroinvasive) across 1 year. The worst was 2024 with 1; the latest was 2024.
Background: when the season starts across the US; how the dates are worked out.