Mosquito season in Pendleton County, WV: when it starts and ends
Mosquito months in Pendleton County
In a normal year mosquito season in Pendleton County, WV starts around April 18 and ends around October 23, about 27 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Pendleton County, and when
- Start tipping out standing water weekly by April 4.
- Book any yard treatment for mid April, ahead of the July peak.
- Repellent can go away after October 23.
- No West Nile cases since 2016, so bites in Pendleton County are a nuisance; check window screens.
Pendleton County against the rest of WV
Pendleton County has the 42nd longest season of 55 WV counties, at 188 days against 224 in Cabell County and 162 in Randolph County. Its mean temperature is 52.1°F.
- Monroe County: April 15 to October 22 (190 days, 0 WNV)
- Roane County: April 19 to October 26 (190 days, 0 WNV)
- Mercer County: April 16 to October 19 (186 days, 0 WNV)
- Tyler County: April 20 to October 23 (186 days, 0 WNV)
West Nile in Pendleton County
CDC ArboNET lists no human West Nile cases for Pendleton County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 2 of those years.
See how the dates are worked out, and when mosquitoes go away for the winter.