Mosquito season in Giles County, VA: when it starts and ends
Mosquito months in Giles County
In a normal year mosquito season in Giles County, VA starts around April 11 and ends around October 26, about 28 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Giles 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 26.
- No West Nile cases since 2016, so bites in Giles County are a nuisance; check window screens.
Giles County against the rest of VA
Giles County has the 115th longest season of 133 VA counties, at 198 days against 257 in Norfolk city and 172 in Highland County. Its mean temperature is 52.6°F.
- Wise County: April 11 to October 27 (199 days, 0 WNV)
- Norton city: April 11 to October 27 (199 days, 0 WNV)
- Grayson County: April 11 to October 26 (198 days, 0 WNV)
- Montgomery County: April 11 to October 26 (198 days, 0 WNV)
West Nile in Giles County
CDC ArboNET lists no human West Nile cases for Giles County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 1 of those years.
See how the dates are worked out, and when the season starts across the US.