Mosquito season in Muhlenberg County, KY: when it starts and ends
Mosquito months in Muhlenberg County
In a normal year mosquito season in Muhlenberg County, KY starts around April 2 and ends around October 30, about 30 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Muhlenberg County, and when
- Start tipping out standing water weekly by March 19.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after October 30.
- No West Nile cases since 2016, so bites in Muhlenberg County are a nuisance; check window screens.
Muhlenberg County against the rest of KY
Muhlenberg County has the 63rd longest season of 120 KY counties, at 211 days against 249 in Lyon County and 180 in Shelby County. Its mean temperature is 56.4°F.
- Marshall County: March 31 to October 28 (211 days, 0 WNV)
- Butler County: April 2 to October 30 (211 days, 0 WNV)
- Bath County: April 3 to October 31 (211 days, 0 WNV)
- Campbell County: April 3 to October 31 (211 days, 1 WNV)
West Nile in Muhlenberg County
CDC ArboNET lists no human West Nile cases for Muhlenberg County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 4 of those years.
More: how the dates are worked out · when the season starts across the US.