Mosquito season in Crittenden County, KY: when it starts and ends
Mosquito months in Crittenden County
In a normal year mosquito season in Crittenden County, KY starts around April 6 and ends around October 29, about 29 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Crittenden County, and when
- Start tipping out standing water weekly by March 23.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after October 29.
- No West Nile cases since 2016, so bites in Crittenden County are a nuisance; check window screens.
Crittenden County against the rest of KY
Crittenden County has the 92nd longest season of 120 KY counties, at 206 days against 249 in Lyon County and 180 in Shelby County. Its mean temperature is 57°F.
- Powell County: April 6 to October 30 (207 days, 1 WNV)
- Edmonson County: April 8 to November 1 (207 days, 0 WNV)
- Estill County: April 7 to October 30 (206 days, 1 WNV)
- Knott County: April 8 to October 31 (206 days, 0 WNV)
West Nile in Crittenden County
CDC ArboNET lists no human West Nile cases for Crittenden County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 4 of those years.
Background: when mosquitoes go away for the winter; how the dates are worked out.