Mosquito season in Cheatham County, TN: when it starts and ends
Mosquito months in Cheatham County
In a normal year mosquito season in Cheatham County, TN starts around March 29 and ends around November 5, about 32 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Cheatham County, and when
- Start tipping out standing water weekly by March 15.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 5.
- No West Nile cases since 2016, so bites in Cheatham County are a nuisance; check window screens.
Cheatham County against the rest of TN
Cheatham County has the 53rd longest season of 95 TN counties, at 221 days against 252 in Hamilton County and 186 in Carter County. Its mean temperature is 58.3°F.
- Marion County: March 29 to November 6 (222 days, 0 WNV)
- Rhea County: March 30 to November 7 (222 days, 0 WNV)
- Maury County: March 29 to November 5 (221 days, 0 WNV)
- Knox County: March 31 to November 6 (220 days, 4 WNV)
West Nile in Cheatham County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Cheatham County (0 neuroinvasive) across 1 year. The worst was 2007 with 1; the latest was 2007.
More: how the dates are worked out · when the season starts across the US.