Mosquito season in Greensville County, VA: when it starts and ends
Mosquito months in Greensville County
In a normal year mosquito season in Greensville County, VA starts around March 20 and ends around November 17, about 35 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Greensville County, and when
- Start tipping out standing water weekly by March 6.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 17.
- No West Nile cases since 2016, so bites in Greensville County are a nuisance; check window screens.
Greensville County against the rest of VA
Greensville County has the 14th longest season of 133 VA counties, at 242 days against 257 in Norfolk city and 172 in Highland County. Its mean temperature is 59.7°F.
- Williamsburg city: March 20 to November 19 (244 days, 0 WNV)
- Charles City County: March 18 to November 15 (242 days, 0 WNV)
- Emporia city: March 20 to November 17 (242 days, 0 WNV)
- York County: March 21 to November 17 (242 days, 0 WNV)
West Nile in Greensville County
CDC ArboNET lists no human West Nile cases for Greensville County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 2 of those years.
More: how the dates are worked out · when the season starts across the US.