Mosquito season in Morgan County, WV: when it starts and ends
Mosquito months in Morgan County
In a normal year mosquito season in Morgan County, WV starts around April 10 and ends around October 26, about 29 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Morgan 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 Morgan County are a nuisance; check window screens.
Morgan County against the rest of WV
Morgan County has the 23rd longest season of 55 WV counties, at 200 days against 224 in Cabell County and 162 in Randolph County. Its mean temperature is 52.5°F.
- Pleasants County: April 10 to October 28 (201 days, 0 WNV)
- Gilmer County: April 11 to October 29 (201 days, 0 WNV)
- Ohio County: April 10 to October 27 (200 days, 0 WNV)
- McDowell County: April 10 to October 26 (199 days, 0 WNV)
West Nile in Morgan County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Morgan County (1 neuroinvasive) across 1 year. The worst was 2012 with 1; the latest was 2012.
More: how the dates are worked out · when the season starts across the US.