Mosquito season in Monroe County, AL: when it starts and ends
Mosquito months in Monroe County
In a normal year mosquito season in Monroe County, AL starts around March 8 and ends around November 21, about 37 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Monroe 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.
- 1 West Nile case since 2016 (last 2017): you should use repellent at dusk May to September, more so if over 60.
Monroe County against the rest of AL
Monroe County has the 35th longest season of 67 AL counties, at 258 days against 330 in Montgomery County and 218 in Marion County. Its mean temperature is 65.6°F.
- Calhoun County: March 8 to November 21 (258 days, 5 WNV)
- Clarke County: March 8 to November 21 (258 days, 0 WNV)
- Coosa County: March 11 to November 24 (258 days, 0 WNV)
- Pickens County: March 8 to November 20 (257 days, 1 WNV)
West Nile in Monroe County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Monroe County (1 neuroinvasive) across 2 years. The worst was 2017 with 1; the latest was 2017.
More: how the dates are worked out · when the season starts across the US.