Mosquito season in Macon County, TN: when it starts and ends
Mosquito months in Macon County
In a normal year mosquito season in Macon County, TN starts around March 23 and ends around November 11, about 33 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Macon County, and when
- Start tipping out standing water weekly by March 9.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 11.
- No West Nile cases since 2016, so bites in Macon County are a nuisance; check window screens.
Macon County against the rest of TN
Macon County has the 21st longest season of 95 TN counties, at 233 days against 252 in Hamilton County and 186 in Carter County. Its mean temperature is 58.4°F.
- Hardeman County: March 21 to November 9 (233 days, 0 WNV)
- Williamson County: March 22 to November 10 (233 days, 1 WNV)
- Stewart County: March 23 to November 11 (233 days, 0 WNV)
- Weakley County: March 23 to November 11 (233 days, 0 WNV)
West Nile in Macon County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Macon County (0 neuroinvasive) across 1 year. The worst was 2008 with 1; the latest was 2008.
More: how the dates are worked out · when mosquitoes go away for the winter.