Mosquito season in Clay County, AL: when it starts and ends
Mosquito months in Clay County
In a normal year mosquito season in Clay County, AL starts around March 22 and ends around November 11, about 33 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Clay County, and when
- Start tipping out standing water weekly by March 8.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 11.
- No West Nile cases since 2016, so bites in Clay County are a nuisance; check window screens.
Clay County against the rest of AL
Clay County has the 58th longest season of 67 AL counties, at 234 days against 330 in Montgomery County and 218 in Marion County. Its mean temperature is 61.2°F.
- Cullman County: March 18 to November 11 (238 days, 5 WNV)
- Winston County: March 22 to November 13 (236 days, 0 WNV)
- Jackson County: March 20 to November 8 (233 days, 1 WNV)
- Lawrence County: March 23 to November 8 (230 days, 0 WNV)
West Nile in Clay County
CDC ArboNET lists no human West Nile cases for Clay County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 3 of those years.
Background: when mosquitoes go away for the winter; how the dates are worked out.