Mosquito season in Haywood County, NC: when it starts and ends
Mosquito months in Haywood County
In a normal year mosquito season in Haywood County, NC starts around April 16 and ends around October 22, about 27 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Haywood 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 22.
- 1 West Nile case since 2016 (last 2019): you should use repellent at dusk July to July, more so if over 60.
Haywood County against the rest of NC
Haywood County has the 96th longest season of 100 NC counties, at 189 days against 292 in Carteret County and 176 in Ashe County. Its mean temperature is 53.2°F.
- Alleghany County: April 10 to October 25 (198 days, 0 WNV)
- Madison County: April 14 to October 26 (195 days, 0 WNV)
- Avery County: April 16 to October 20 (187 days, 0 WNV)
- Watauga County: April 16 to October 19 (186 days, 0 WNV)
West Nile in Haywood County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Haywood County (1 neuroinvasive) across 1 year. The worst was 2019 with 1; the latest was 2019.
Background: when mosquitoes go away for the winter; how the dates are worked out.