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

Mosquito months in Montgomery County

In a normal year mosquito season in Montgomery County, AL starts around February 17 and ends around January 13, about 47 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 Montgomery County, and when

• Start tipping out standing water weekly by February 3.
• Book any yard treatment for mid February, ahead of the July peak.
• Repellent can go away after January 13.
• 27 West Nile cases since 2016: you should wear EPA-registered repellent at dusk May to September, and check AL spray notices.

Montgomery County against the rest of AL

Montgomery County has the 1st longest season of 67 AL counties, at 330 days against 330 in Montgomery County and 218 in Marion County. Its mean temperature is 67.7°F.

• Baldwin County: February 21 to January 14 (327 days, 15 WNV)
• Henry County: February 19 to January 7 (322 days, 1 WNV)

West Nile in Montgomery County

From 1999 to 2025, CDC ArboNET counted 71 human West Nile cases in Montgomery County (52 neuroinvasive) across 13 years. The worst was 2007 with 13; the latest was 2025.

See how the dates are worked out, and where mosquitoes never stop.