Mosquito season in Franklin County, AL: when it starts and ends
Mosquito months in Franklin County
In a normal year mosquito season in Franklin County, AL starts around March 17 and ends around November 16, about 35 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Franklin County, and when
- Start tipping out standing water weekly by March 3.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 16.
- 1 West Nile case since 2016 (last 2017): you should use repellent at dusk June to September, more so if over 60.
Franklin County against the rest of AL
Franklin County has the 52nd longest season of 67 AL counties, at 244 days against 330 in Montgomery County and 218 in Marion County. Its mean temperature is 60.8°F.
- Walker County: March 14 to November 15 (246 days, 1 WNV)
- Crenshaw County: March 15 to November 16 (246 days, 0 WNV)
- Colbert County: March 17 to November 14 (242 days, 2 WNV)
- Randolph County: March 17 to November 14 (242 days, 0 WNV)
West Nile in Franklin County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Franklin County (1 neuroinvasive) across 1 year. The worst was 2017 with 1; the latest was 2017.
Background: when mosquitoes go away for the winter; how the dates are worked out.