Mosquito season in McDowell County, WV: when it starts and ends
Mosquito months in McDowell County
In a normal year mosquito season in McDowell County, WV starts around April 10 and ends around October 26, about 28 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in McDowell County, and when
- Start tipping out standing water weekly by March 27.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after October 26.
- No West Nile cases since 2016, so bites in McDowell County are a nuisance; check window screens.
McDowell County against the rest of WV
McDowell County has the 25th longest season of 55 WV counties, at 199 days against 224 in Cabell County and 162 in Randolph County. Its mean temperature is 53.3°F.
- Morgan County: April 10 to October 26 (200 days, 0 WNV)
- Ohio County: April 10 to October 27 (200 days, 0 WNV)
- Brooke County: April 12 to October 26 (197 days, 0 WNV)
- Hampshire County: April 12 to October 25 (196 days, 1 WNV)
West Nile in McDowell County
CDC ArboNET lists no human West Nile cases for McDowell County from 1999 to 2025.
More: how the dates are worked out · when mosquitoes go away for the winter.