Mosquito season in McMinn County, TN: when it starts and ends
Mosquito months in McMinn County
In a normal year mosquito season in McMinn County, TN starts around March 27 and ends around November 10, about 33 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in McMinn County, and when
- Start tipping out standing water weekly by March 13.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 10.
- 1 West Nile case since 2016 (last 2017): you should use repellent at dusk June to September, more so if over 60.
McMinn County against the rest of TN
McMinn County has the 33rd longest season of 95 TN counties, at 228 days against 252 in Hamilton County and 186 in Carter County. Its mean temperature is 58.8°F.
- Henderson County: March 24 to November 8 (229 days, 1 WNV)
- Sumner County: March 26 to November 9 (228 days, 5 WNV)
- Houston County: March 28 to November 11 (228 days, 0 WNV)
- Bradley County: March 26 to November 8 (227 days, 0 WNV)
West Nile in McMinn County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in McMinn County (0 neuroinvasive) across 1 year. The worst was 2017 with 1; the latest was 2017.
More: how the dates are worked out · when mosquitoes go away for the winter.