Mosquito season in Fentress County, TN: when it starts and ends
Mosquito months in Fentress County
In a normal year mosquito season in Fentress County, TN starts around April 2 and ends around November 2, about 31 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Fentress County, and when
- Start tipping out standing water weekly by March 19.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after November 2.
- No West Nile cases since 2016, so bites in Fentress County are a nuisance; check window screens.
Fentress County against the rest of TN
Fentress County has the 71st longest season of 95 TN counties, at 214 days against 252 in Hamilton County and 186 in Carter County. Its mean temperature is 55.3°F.
- Coffee County: April 1 to November 1 (214 days, 0 WNV)
- Sullivan County: April 1 to November 1 (214 days, 1 WNV)
- Moore County: April 2 to November 2 (214 days, 0 WNV)
- Cumberland County: April 2 to November 1 (213 days, 1 WNV)
West Nile in Fentress County
CDC ArboNET lists no human West Nile cases for Fentress County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 2 of those years.
See how the dates are worked out, and when mosquitoes go away for the winter.