Mosquito season in Monroe County, WV: when it starts and ends
Mosquito months in Monroe County
In a normal year mosquito season in Monroe County, WV starts around April 15 and ends around October 22, about 27 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Monroe County, and when
- Start tipping out standing water weekly by April 1.
- Book any yard treatment for mid April, ahead of the July peak.
- Repellent can go away after October 22.
- No West Nile cases since 2016, so bites in Monroe County are a nuisance; check window screens.
Monroe County against the rest of WV
Monroe County has the 40th longest season of 55 WV counties, at 190 days against 224 in Cabell County and 162 in Randolph County. Its mean temperature is 52.8°F.
- Mason County: April 17 to October 26 (192 days, 0 WNV)
- Wirt County: April 18 to October 26 (191 days, 0 WNV)
- Roane County: April 19 to October 26 (190 days, 0 WNV)
- Pendleton County: April 18 to October 23 (188 days, 0 WNV)
West Nile in Monroe County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Monroe County (1 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.