Mosquito season in Hardeman County, TN: when it starts and ends
Mosquito months in Hardeman County
In a normal year mosquito season in Hardeman County, TN starts around March 21 and ends around November 9, about 33 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Hardeman County, and when
- Start tipping out standing water weekly by March 7.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 9.
- No West Nile cases since 2016, so bites in Hardeman County are a nuisance; check window screens.
Hardeman County against the rest of TN
Hardeman County has the 19th longest season of 95 TN counties, at 233 days against 252 in Hamilton County and 186 in Carter County. Its mean temperature is 59.7°F.
- Decatur County: March 20 to November 8 (233 days, 0 WNV)
- Carroll County: March 21 to November 9 (233 days, 1 WNV)
- Williamson County: March 22 to November 10 (233 days, 1 WNV)
- Macon County: March 23 to November 11 (233 days, 0 WNV)
West Nile in Hardeman County
CDC ArboNET lists no human West Nile cases for Hardeman County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 3 of those years.
More: how the dates are worked out · when mosquitoes go away for the winter.