Mosquito season in Lawrence County, KY: when it starts and ends
Mosquito months in Lawrence County
In a normal year mosquito season in Lawrence County, KY starts around April 12 and ends around October 26, about 28 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Lawrence County, and when
- Start tipping out standing water weekly by March 29.
- Book any yard treatment for mid April, ahead of the July peak.
- Repellent can go away after October 26.
- 1 West Nile case since 2016 (last 2025): you should use repellent at dusk June to August, more so if over 60.
Lawrence County against the rest of KY
Lawrence County has the 113th longest season of 120 KY counties, at 197 days against 249 in Lyon County and 180 in Shelby County. Its mean temperature is 54.3°F.
- Clark County: April 13 to October 28 (198 days, 2 WNV)
- Montgomery County: April 13 to October 28 (198 days, 0 WNV)
- Lewis County: April 14 to October 27 (196 days, 0 WNV)
- Carter County: April 14 to October 26 (195 days, 0 WNV)
West Nile in Lawrence County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Lawrence County (1 neuroinvasive) across 1 year. The worst was 2025 with 1; the latest was 2025.
Background: when the season starts across the US; how the dates are worked out.