Mosquito season in Charles City County, VA: when it starts and ends
Mosquito months in Charles City County
In a normal year mosquito season in Charles City County, VA starts around March 18 and ends around November 15, about 35 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Charles City County, and when
- Start tipping out standing water weekly by March 4.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 15.
- No West Nile cases since 2016, so bites in Charles City County are a nuisance; check window screens.
Charles City County against the rest of VA
Charles City County has the 13th longest season of 133 VA counties, at 242 days against 257 in Norfolk city and 172 in Highland County. Its mean temperature is 59.5°F.
- Newport News city: March 20 to November 19 (244 days, 3 WNV)
- Williamsburg city: March 20 to November 19 (244 days, 0 WNV)
- Greensville County: March 20 to November 17 (242 days, 0 WNV)
- Emporia city: March 20 to November 17 (242 days, 0 WNV)
West Nile in Charles City County
CDC ArboNET lists no human West Nile cases for Charles City County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 1 of those years.
Background: when the season starts across the US; how the dates are worked out.