Mosquito season in Greene County, VA: when it starts and ends
Mosquito months in Greene County
In a normal year mosquito season in Greene County, VA starts around March 26 and ends around November 7, about 32 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Greene County, and when
- Start tipping out standing water weekly by March 12.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 7.
- 2 West Nile cases since 2016 (last 2023): you should use repellent at dusk June to August, more so if over 60.
Greene County against the rest of VA
Greene County has the 43rd longest season of 133 VA counties, at 226 days against 257 in Norfolk city and 172 in Highland County. Its mean temperature is 56.9°F.
- Prince George County: March 29 to November 12 (228 days, 0 WNV)
- Brunswick County: March 26 to November 7 (226 days, 0 WNV)
- Stafford County: March 27 to November 8 (226 days, 0 WNV)
- Essex County: March 29 to November 10 (226 days, 0 WNV)
West Nile in Greene County
From 1999 to 2025, CDC ArboNET counted 4 human West Nile cases in Greene County (2 neuroinvasive) across 4 years. The worst was 2023 with 1; the latest was 2023.
See how the dates are worked out, and when the season starts across the US.