Mosquito season in Greene County, TN: when it starts and ends
Mosquito months in Greene County
In a normal year mosquito season in Greene County, TN starts around April 6 and ends around November 1, about 30 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Greene County, and when
- Start tipping out standing water weekly by March 23.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after November 1.
- No West Nile cases since 2016, so bites in Greene County are a nuisance; check window screens.
Greene County against the rest of TN
Greene County has the 83rd longest season of 95 TN counties, at 209 days against 252 in Hamilton County and 186 in Carter County. Its mean temperature is 56.8°F.
- Anderson County: April 7 to November 3 (210 days, 0 WNV)
- Union County: April 7 to November 3 (210 days, 0 WNV)
- Washington County: April 7 to November 1 (208 days, 3 WNV)
- Cannon County: April 5 to October 29 (207 days, 0 WNV)
West Nile in Greene County
From 1999 to 2025, CDC ArboNET counted 4 human West Nile cases in Greene County (4 neuroinvasive) across 3 years. The worst was 2012 with 2; the latest was 2012.
See how the dates are worked out, and when mosquitoes go away for the winter.