Mosquito season in Fayette County, TN: when it starts and ends
Mosquito months in Fayette County
In a normal year mosquito season in Fayette County, TN starts around March 16 and ends around November 13, about 35 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Fayette County, and when
- Start tipping out standing water weekly by March 2.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 13.
- 1 West Nile case since 2016 (last 2024): you should use repellent at dusk June to September, more so if over 60.
Fayette County against the rest of TN
Fayette County has the 8th longest season of 95 TN counties, at 242 days against 252 in Hamilton County and 186 in Carter County. Its mean temperature is 61.2°F.
- Crockett County: March 16 to November 14 (243 days, 3 WNV)
- Tipton County: March 15 to November 13 (242 days, 3 WNV)
- Dyer County: March 16 to November 12 (241 days, 1 WNV)
- Humphreys County: March 18 to November 13 (240 days, 0 WNV)
West Nile in Fayette County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Fayette County (1 neuroinvasive) across 2 years. The worst was 2024 with 1; the latest was 2024.
Background: when mosquitoes go away for the winter; how the dates are worked out.