Mosquito season in Cumberland County, TN: when it starts and ends
Mosquito months in Cumberland County
In a normal year mosquito season in Cumberland County, TN starts around April 2 and ends around November 1, about 30 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Cumberland County, and when
- Start tipping out standing water weekly by March 19.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after November 1.
- 1 West Nile case since 2016 (last 2018): you should use repellent at dusk July to August, more so if over 60.
Cumberland County against the rest of TN
Cumberland County has the 73rd longest season of 95 TN counties, at 213 days against 252 in Hamilton County and 186 in Carter County. Its mean temperature is 54.8°F.
- Fentress County: April 2 to November 2 (214 days, 0 WNV)
- Moore County: April 2 to November 2 (214 days, 0 WNV)
- Giles County: April 2 to November 1 (213 days, 1 WNV)
- Hancock County: April 2 to November 1 (213 days, 0 WNV)
West Nile in Cumberland County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Cumberland County (1 neuroinvasive) across 2 years. The worst was 2018 with 1; the latest was 2018.
More: how the dates are worked out · when the season starts across the US.