Mosquito season in Jessamine County, KY: when it starts and ends
Mosquito months in Jessamine County
In a normal year mosquito season in Jessamine County, KY starts around March 29 and ends around November 5, about 32 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Jessamine County, and when
- Start tipping out standing water weekly by March 15.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 5.
- No West Nile cases since 2016, so bites in Jessamine County are a nuisance; check window screens.
Jessamine County against the rest of KY
Jessamine County has the 25th longest season of 120 KY counties, at 221 days against 249 in Lyon County and 180 in Shelby County. Its mean temperature is 56.5°F.
- Barren County: March 28 to November 5 (222 days, 2 WNV)
- Logan County: March 29 to November 6 (222 days, 1 WNV)
- Webster County: March 29 to November 5 (221 days, 0 WNV)
- Mercer County: March 29 to November 4 (220 days, 0 WNV)
West Nile in Jessamine County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Jessamine County (0 neuroinvasive) across 1 year. The worst was 2002 with 1; the latest was 2002.
See how the dates are worked out, and when the season starts across the US.