Mosquito season in Blount County, AL: when it starts and ends
Mosquito months in Blount County
In a normal year mosquito season in Blount County, AL starts around March 25 and ends around November 6, about 32 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Blount County, and when
- Start tipping out standing water weekly by March 11.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 6.
- No West Nile cases since 2016, so bites in Blount County are a nuisance; check window screens.
Blount County against the rest of AL
Blount County has the 65th longest season of 67 AL counties, at 226 days against 330 in Montgomery County and 218 in Marion County. Its mean temperature is 60.8°F.
- Cleburne County: March 25 to November 9 (229 days, 1 WNV)
- Chambers County: March 26 to November 8 (227 days, 0 WNV)
- Tallapoosa County: March 31 to November 6 (220 days, 1 WNV)
- Marion County: March 31 to November 4 (218 days, 0 WNV)
West Nile in Blount County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Blount County (0 neuroinvasive) across 1 year. The worst was 2003 with 1; the latest was 2003.
More: how the dates are worked out · when the season starts across the US.