Mosquito season in Dinwiddie County, VA: when it starts and ends
Mosquito months in Dinwiddie County
In a normal year mosquito season in Dinwiddie County, VA starts around March 29 and ends around November 8, about 32 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Dinwiddie County, and when
- Start tipping out standing water weekly by March 15.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 8.
- No West Nile cases since 2016, so bites in Dinwiddie County are a nuisance; check window screens.
Dinwiddie County against the rest of VA
Dinwiddie County has the 50th longest season of 133 VA counties, at 224 days against 257 in Norfolk city and 172 in Highland County. Its mean temperature is 58.2°F.
- Fredericksburg city: March 28 to November 7 (224 days, 1 WNV)
- Bedford County: March 29 to November 8 (224 days, 1 WNV)
- Sussex County: March 29 to November 8 (224 days, 0 WNV)
- Albemarle County: March 28 to November 7 (223 days, 0 WNV)
West Nile in Dinwiddie County
CDC ArboNET lists no human West Nile cases for Dinwiddie 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 mosquitoes go away for the winter.