Mosquito season in Wythe County, VA: when it starts and ends
Mosquito months in Wythe County
In a normal year mosquito season in Wythe County, VA starts around April 10 and ends around October 26, about 28 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Wythe County, and when
- Start tipping out standing water weekly by March 27.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after October 26.
- No West Nile cases since 2016, so bites in Wythe County are a nuisance; check window screens.
Wythe County against the rest of VA
Wythe County has the 111th longest season of 133 VA counties, at 199 days against 257 in Norfolk city and 172 in Highland County. Its mean temperature is 52.6°F.
- Henry County: April 13 to October 30 (200 days, 0 WNV)
- Martinsville city: April 13 to October 30 (200 days, 0 WNV)
- Radford city: April 10 to October 26 (199 days, 0 WNV)
- Wise County: April 11 to October 27 (199 days, 0 WNV)
West Nile in Wythe County
CDC ArboNET lists no human West Nile cases for Wythe County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 3 of those years.
Background: when mosquitoes go away for the winter; how the dates are worked out.