Mosquito season in Fayette County, WV: when it starts and ends
Mosquito months in Fayette County
In a normal year mosquito season in Fayette County, WV starts around April 8 and ends around October 26, about 29 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Fayette County, and when
- Start tipping out standing water weekly by March 25.
- 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 Fayette County are a nuisance; check window screens.
Fayette County against the rest of WV
Fayette County has the 19th longest season of 55 WV counties, at 201 days against 224 in Cabell County and 162 in Randolph County. Its mean temperature is 52.3°F.
- Monongalia County: April 10 to October 30 (203 days, 1 WNV)
- Marion County: April 8 to October 26 (202 days, 0 WNV)
- Harrison County: April 10 to October 28 (201 days, 1 WNV)
- Pleasants County: April 10 to October 28 (201 days, 0 WNV)
West Nile in Fayette County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Fayette County (0 neuroinvasive) across 1 year. The worst was 2012 with 1; the latest was 2012.
See how the dates are worked out, and when the season starts across the US.