Mosquito season in Jackson County, TN: when it starts and ends
Mosquito months in Jackson County
In a normal year mosquito season in Jackson County, TN starts around April 8 and ends around October 30, about 29 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Jackson County, and when
- Start tipping out standing water weekly by March 25.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after October 30.
- No West Nile cases since 2016, so bites in Jackson County are a nuisance; check window screens.
Jackson County against the rest of TN
Jackson County has the 89th longest season of 95 TN counties, at 205 days against 252 in Hamilton County and 186 in Carter County. Its mean temperature is 57.4°F.
- Grundy County: April 7 to October 30 (206 days, 0 WNV)
- Morgan County: April 5 to October 27 (205 days, 0 WNV)
- Van Buren County: April 8 to October 29 (204 days, 0 WNV)
- Scott County: April 7 to October 27 (203 days, 0 WNV)
West Nile in Jackson County
CDC ArboNET lists no human West Nile cases for Jackson County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 1 of those years.
Background: when the season starts across the US; how the dates are worked out.