Mosquito season in Hancock County, WV: when it starts and ends
Mosquito months in Hancock County
In a normal year mosquito season in Hancock County, WV starts around April 14 and ends around October 24, about 28 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Hancock County, and when
- Start tipping out standing water weekly by March 31.
- Book any yard treatment for mid April, ahead of the July peak.
- Repellent can go away after October 24.
- No West Nile cases since 2016, so bites in Hancock County are a nuisance; check window screens.
Hancock County against the rest of WV
Hancock County has the 36th longest season of 55 WV counties, at 193 days against 224 in Cabell County and 162 in Randolph County. Its mean temperature is 51.3°F.
- Marshall County: April 15 to October 26 (194 days, 0 WNV)
- Ritchie County: April 15 to October 26 (194 days, 0 WNV)
- Mineral County: April 16 to October 25 (192 days, 0 WNV)
- Mason County: April 17 to October 26 (192 days, 0 WNV)
West Nile in Hancock County
CDC ArboNET lists no human West Nile cases for Hancock County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 6 of those years.
More: how the dates are worked out · when mosquitoes go away for the winter.