Mosquito season in Clarke County, AL: when it starts and ends

Mosquito months in Clarke County

In a normal year mosquito season in Clarke County, AL starts around March 8 and ends around November 21, about 37 weeks.

1. Jan
2. Feb
3. Mar
4. Apr
5. May
6. Jun
7. Jul
8. Aug
9. Sep
10. Oct
11. Nov
12. Dec

What to do in Clarke County, and when

• Start tipping out standing water weekly by February 22.
• Book any yard treatment for early March, ahead of the July peak.
• Repellent can go away after November 21.
• No West Nile cases since 2016, so bites in Clarke County are a nuisance; check window screens.

Clarke County against the rest of AL

Clarke County has the 34th longest season of 67 AL counties, at 258 days against 330 in Montgomery County and 218 in Marion County. Its mean temperature is 64.6°F.

• Autauga County: March 8 to November 22 (259 days, 12 WNV)
• Calhoun County: March 8 to November 21 (258 days, 5 WNV)
• Monroe County: March 8 to November 21 (258 days, 1 WNV)
• Coosa County: March 11 to November 24 (258 days, 0 WNV)

West Nile in Clarke County

CDC ArboNET lists no human West Nile cases for Clarke County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 2 of those years.

See how the dates are worked out, and when the season starts across the US.