Mosquito season in Fauquier County, VA: when it starts and ends
Mosquito months in Fauquier County
In a normal year mosquito season in Fauquier County, VA starts around April 3 and ends around November 3, about 31 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Fauquier County, and when
- Start tipping out standing water weekly by March 20.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after November 3.
- 1 West Nile case since 2016 (last 2018): you should use repellent at dusk June to August, more so if over 60.
Fauquier County against the rest of VA
Fauquier County has the 73rd longest season of 133 VA counties, at 214 days against 257 in Norfolk city and 172 in Highland County. Its mean temperature is 54.7°F.
- Powhatan County: April 3 to November 5 (216 days, 1 WNV)
- Lynchburg city: April 2 to November 3 (215 days, 1 WNV)
- Franklin County: April 3 to November 3 (214 days, 0 WNV)
- Prince William County: April 3 to November 3 (214 days, 7 WNV)
West Nile in Fauquier County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Fauquier County (0 neuroinvasive) across 2 years. The worst was 2018 with 1; the latest was 2018.
Background: when the season starts across the US; how the dates are worked out.