Mosquito season in Wirt County, WV: when it starts and ends
Mosquito months in Wirt County
In a normal year mosquito season in Wirt County, WV starts around April 18 and ends around October 26, about 27 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Wirt 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 26.
- No West Nile cases since 2016, so bites in Wirt County are a nuisance; check window screens.
Wirt County against the rest of WV
Wirt County has the 39th longest season of 55 WV counties, at 191 days against 224 in Cabell County and 162 in Randolph County. Its mean temperature is 52.5°F.
- Mineral County: April 16 to October 25 (192 days, 0 WNV)
- Mason County: April 17 to October 26 (192 days, 0 WNV)
- Monroe County: April 15 to October 22 (190 days, 0 WNV)
- Roane County: April 19 to October 26 (190 days, 0 WNV)
West Nile in Wirt County
CDC ArboNET lists no human West Nile cases for Wirt County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 2 of those years.
More: how the dates are worked out · when the season starts across the US.