Mosquito season in Roane County, WV: when it starts and ends
Mosquito months in Roane County
In a normal year mosquito season in Roane County, WV starts around April 19 and ends around October 26, about 27 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Roane County, and when
- Start tipping out standing water weekly by April 5.
- Book any yard treatment for mid April, ahead of the July peak.
- Repellent can go away after October 26.
- No West Nile cases since 2016, so bites in Roane County are a nuisance; check window screens.
Roane County against the rest of WV
Roane County has the 41st longest season of 55 WV counties, at 190 days against 224 in Cabell County and 162 in Randolph County. Its mean temperature is 52.5°F.
- Wirt County: April 18 to October 26 (191 days, 0 WNV)
- Monroe County: April 15 to October 22 (190 days, 0 WNV)
- Pendleton County: April 18 to October 23 (188 days, 0 WNV)
- Mercer County: April 16 to October 19 (186 days, 0 WNV)
West Nile in Roane County
CDC ArboNET lists no human West Nile cases for Roane County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 3 of those years.
More: how the dates are worked out · when mosquitoes go away for the winter.