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

Mosquito months in Chambers County

In a normal year mosquito season in Chambers County, AL starts around March 26 and ends around November 8, about 32 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 Chambers County, and when

• Start tipping out standing water weekly by March 12.
• Book any yard treatment for late March, ahead of the July peak.
• Repellent can go away after November 8.
• No West Nile cases since 2016, so bites in Chambers County are a nuisance; check window screens.

Chambers County against the rest of AL

Chambers County has the 64th longest season of 67 AL counties, at 227 days against 330 in Montgomery County and 218 in Marion County. Its mean temperature is 61.3°F.

• Talladega County: March 25 to November 10 (230 days, 3 WNV)
• Cleburne County: March 25 to November 9 (229 days, 1 WNV)
• Blount County: March 25 to November 6 (226 days, 0 WNV)
• Tallapoosa County: March 31 to November 6 (220 days, 1 WNV)

West Nile in Chambers County

From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Chambers County (2 neuroinvasive) across 2 years. The worst was 2007 with 1; the latest was 2007.

More: how the dates are worked out · when mosquitoes go away for the winter.