Mosquito season in Webster County, KY: when it starts and ends
Mosquito months in Webster County
In a normal year mosquito season in Webster 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 Webster 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 Webster County are a nuisance; check window screens.
Webster County against the rest of KY
Webster County has the 26th longest season of 120 KY counties, at 221 days against 249 in Lyon County and 180 in Shelby County. Its mean temperature is 57.9°F.
- Logan County: March 29 to November 6 (222 days, 1 WNV)
- Jessamine County: March 29 to November 5 (221 days, 0 WNV)
- Mercer County: March 29 to November 4 (220 days, 0 WNV)
- Grant County: March 31 to November 6 (220 days, 0 WNV)
West Nile in Webster County
CDC ArboNET lists no human West Nile cases for Webster County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 3 of those years.
See how the dates are worked out, and when mosquitoes go away for the winter.