Mosquito season in Wise County, VA: when it starts and ends

Mosquito months in Wise County

In a normal year mosquito season in Wise County, VA starts around April 11 and ends around October 27, about 28 weeks.

1. Jan
2. Feb
3. Mar
4. Apr
5. May
6. Jun
7. Jul
8. Aug
9. Sep
10. Oct
11. Nov
12. Dec

What to do in Wise County, and when

• Start tipping out standing water weekly by March 28.
• Book any yard treatment for mid April, ahead of the July peak.
• Repellent can go away after October 27.
• No West Nile cases since 2016, so bites in Wise County are a nuisance; check window screens.

Wise County against the rest of VA

Wise County has the 113th longest season of 133 VA counties, at 199 days against 257 in Norfolk city and 172 in Highland County. Its mean temperature is 53.3°F.

• Wythe County: April 10 to October 26 (199 days, 0 WNV)
• Radford city: April 10 to October 26 (199 days, 0 WNV)
• Norton city: April 11 to October 27 (199 days, 0 WNV)
• Giles County: April 11 to October 26 (198 days, 0 WNV)

West Nile in Wise County

CDC ArboNET lists no human West Nile cases for Wise County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 3 of those years.

Background: when the season starts across the US; how the dates are worked out.