Mosquito season in Lake County, TN: when it starts and ends
Mosquito months in Lake County
In a normal year mosquito season in Lake County, TN starts around March 18 and ends around November 12, about 34 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Lake County, and when
- Start tipping out standing water weekly by March 4.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 12.
- No West Nile cases since 2016, so bites in Lake County are a nuisance; check window screens.
Lake County against the rest of TN
Lake County has the 13th longest season of 95 TN counties, at 238 days against 252 in Hamilton County and 186 in Carter County. Its mean temperature is 58.9°F.
- Benton County: March 20 to November 14 (239 days, 0 WNV)
- Hardin County: March 18 to November 11 (238 days, 0 WNV)
- Blount County: March 19 to November 10 (236 days, 0 WNV)
- Roane County: March 20 to November 10 (235 days, 0 WNV)
West Nile in Lake County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Lake County (1 neuroinvasive) across 1 year. The worst was 2006 with 1; the latest was 2006.
See how the dates are worked out, and when the season starts across the US.