Mosquito season in Avery County, NC: when it starts and ends
Mosquito months in Avery County
In a normal year mosquito season in Avery County, NC starts around April 16 and ends around October 20, about 27 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Avery County, and when
- Start tipping out standing water weekly by April 2.
- Book any yard treatment for mid April, ahead of the July peak.
- Repellent can go away after October 20.
- No West Nile cases since 2016, so bites in Avery County are a nuisance; check window screens.
Avery County against the rest of NC
Avery County has the 97th longest season of 100 NC counties, at 187 days against 292 in Carteret County and 176 in Ashe County. Its mean temperature is 50.3°F.
- Madison County: April 14 to October 26 (195 days, 0 WNV)
- Haywood County: April 16 to October 22 (189 days, 1 WNV)
- Watauga County: April 16 to October 19 (186 days, 0 WNV)
- Swain County: April 23 to October 16 (176 days, 0 WNV)
West Nile in Avery County
CDC ArboNET lists no human West Nile cases for Avery County from 1999 to 2025.
More: how the dates are worked out · when mosquitoes go away for the winter.