Mosquito season in Robertson County, KY: when it starts and ends
Mosquito months in Robertson County
In a normal year mosquito season in Robertson County, KY starts around April 5 and ends around October 30, about 30 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Robertson 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 October 30.
- No West Nile cases since 2016, so bites in Robertson County are a nuisance; check window screens.
Robertson County against the rest of KY
Robertson County has the 88th longest season of 120 KY counties, at 207 days against 249 in Lyon County and 180 in Shelby County. Its mean temperature is 53.9°F.
- Leslie County: April 9 to November 3 (208 days, 0 WNV)
- Elliott County: April 4 to October 28 (207 days, 0 WNV)
- Mason County: April 6 to October 30 (207 days, 1 WNV)
- Powell County: April 6 to October 30 (207 days, 1 WNV)
West Nile in Robertson County
CDC ArboNET lists no human West Nile cases for Robertson County from 1999 to 2025.
More: how the dates are worked out · when mosquitoes go away for the winter.