Mosquito season in Highland County, VA: when it starts and ends
Mosquito months in Highland County
In a normal year mosquito season in Highland County, VA starts around April 26 and ends around October 15, about 25 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Highland County, and when
- Start tipping out standing water weekly by April 12.
- Book any yard treatment for late April, ahead of the July peak.
- Repellent can go away after October 15.
- No West Nile cases since 2016, so bites in Highland County are a nuisance; check window screens.
Highland County against the rest of VA
Highland County has the 133rd longest season of 133 VA counties, at 172 days against 257 in Norfolk city and 172 in Highland County. Its mean temperature is 48.1°F.
- Bath County: April 15 to October 19 (186 days, 0 WNV)
- Floyd County: April 20 to October 20 (183 days, 0 WNV)
West Nile in Highland County
CDC ArboNET lists no human West Nile cases for Highland County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 1 of those years.
More: how the dates are worked out · when mosquitoes go away for the winter.