Mosquito season in Bradley County, TN: when it starts and ends
Mosquito months in Bradley County
In a normal year mosquito season in Bradley County, TN starts around March 26 and ends around November 8, about 32 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Bradley County, and when
- Start tipping out standing water weekly by March 12.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 8.
- No West Nile cases since 2016, so bites in Bradley County are a nuisance; check window screens.
Bradley County against the rest of TN
Bradley County has the 35th longest season of 95 TN counties, at 227 days against 252 in Hamilton County and 186 in Carter County. Its mean temperature is 59.4°F.
- McMinn County: March 27 to November 10 (228 days, 1 WNV)
- Houston County: March 28 to November 11 (228 days, 0 WNV)
- Meigs County: March 26 to November 8 (227 days, 1 WNV)
- Polk County: March 26 to November 8 (227 days, 0 WNV)
West Nile in Bradley County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Bradley County (0 neuroinvasive) across 1 year. The worst was 2012 with 1; the latest was 2012.
See how the dates are worked out, and when the season starts across the US.