Mosquito season in Hamblen County, TN: when it starts and ends
Mosquito months in Hamblen County
In a normal year mosquito season in Hamblen County, TN starts around March 29 and ends around November 6, about 32 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Hamblen County, and when
- Start tipping out standing water weekly by March 15.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 6.
- 1 West Nile case since 2016 (last 2023): you should use repellent at dusk June to August, more so if over 60.
Hamblen County against the rest of TN
Hamblen County has the 50th longest season of 95 TN counties, at 222 days against 252 in Hamilton County and 186 in Carter County. Its mean temperature is 57.4°F.
- Robertson County: March 28 to November 6 (223 days, 0 WNV)
- Smith County: March 30 to November 8 (223 days, 0 WNV)
- Marion County: March 29 to November 6 (222 days, 0 WNV)
- Rhea County: March 30 to November 7 (222 days, 0 WNV)
West Nile in Hamblen County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Hamblen County (2 neuroinvasive) across 2 years. The worst was 2023 with 1; the latest was 2023.
Background: when the season starts across the US; how the dates are worked out.