Mosquito season in Weakley County, TN: when it starts and ends
Mosquito months in Weakley County
In a normal year mosquito season in Weakley 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 Weakley 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 Weakley County are a nuisance; check window screens.
Weakley County against the rest of TN
Weakley County has the 23rd longest season of 95 TN counties, at 233 days against 252 in Hamilton County and 186 in Carter County. Its mean temperature is 58.6°F.
- Macon County: March 23 to November 11 (233 days, 0 WNV)
- Stewart County: March 23 to November 11 (233 days, 0 WNV)
- Loudon County: March 25 to November 12 (232 days, 0 WNV)
- Cocke County: March 24 to November 10 (231 days, 0 WNV)
West Nile in Weakley County
From 1999 to 2025, CDC ArboNET counted 3 human West Nile cases in Weakley County (2 neuroinvasive) across 1 year. The worst was 2002 with 3; the latest was 2002.
More: how the dates are worked out · when mosquitoes go away for the winter.