Mosquito season in Spotsylvania County, VA: when it starts and ends
Mosquito months in Spotsylvania County
In a normal year mosquito season in Spotsylvania County, VA starts around March 31 and ends around November 6, about 31 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Spotsylvania County, and when
- Start tipping out standing water weekly by March 17.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 6.
- No West Nile cases since 2016, so bites in Spotsylvania County are a nuisance; check window screens.
Spotsylvania County against the rest of VA
Spotsylvania County has the 64th longest season of 133 VA counties, at 220 days against 257 in Norfolk city and 172 in Highland County. Its mean temperature is 56.5°F.
- Caroline County: March 31 to November 6 (220 days, 0 WNV)
- King George County: March 31 to November 6 (220 days, 0 WNV)
- Buckingham County: March 31 to November 5 (219 days, 0 WNV)
- Prince Edward County: March 31 to November 5 (219 days, 1 WNV)
West Nile in Spotsylvania County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Spotsylvania County (1 neuroinvasive) across 2 years. The worst was 2015 with 1; the latest was 2015.
Background: when mosquitoes go away for the winter; how the dates are worked out.