Mosquito season in Rutherford County, TN: when it starts and ends
Mosquito months in Rutherford County
In a normal year mosquito season in Rutherford County, TN starts around March 28 and ends around November 7, about 32 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Rutherford County, and when
- Start tipping out standing water weekly by March 14.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 7.
- 3 West Nile cases since 2016 (last 2023): you should use repellent at dusk June to September, more so if over 60.
Rutherford County against the rest of TN
Rutherford County has the 47th longest season of 95 TN counties, at 224 days against 252 in Hamilton County and 186 in Carter County. Its mean temperature is 58.4°F.
- Bedford County: March 27 to November 6 (224 days, 1 WNV)
- Lincoln County: March 27 to November 6 (224 days, 0 WNV)
- Robertson County: March 28 to November 6 (223 days, 0 WNV)
- Smith County: March 30 to November 8 (223 days, 0 WNV)
West Nile in Rutherford County
From 1999 to 2025, CDC ArboNET counted 10 human West Nile cases in Rutherford County (9 neuroinvasive) across 8 years. The worst was 2023 with 2; the latest was 2023.
More: how the dates are worked out · when the season starts across the US.