Mosquito season in Isle of Wight County, VA: when it starts and ends
Mosquito months in Isle of Wight County
In a normal year mosquito season in Isle of Wight County, VA starts around March 18 and ends around November 18, about 35 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Isle of Wight 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 18.
- 1 West Nile case since 2016 (last 2023): you should use repellent at dusk June to September, more so if over 60.
Isle of Wight County against the rest of VA
Isle of Wight County has the 8th longest season of 133 VA counties, at 245 days against 257 in Norfolk city and 172 in Highland County. Its mean temperature is 59.4°F.
- Poquoson city: March 18 to November 20 (247 days, 0 WNV)
- Hopewell city: March 18 to November 19 (246 days, 0 WNV)
- Suffolk city: March 18 to November 17 (244 days, 0 WNV)
- James City County: March 20 to November 19 (244 days, 0 WNV)
West Nile in Isle of Wight County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Isle of Wight County (2 neuroinvasive) across 2 years. The worst was 2023 with 1; the latest was 2023.
Background: when mosquitoes go away for the winter; how the dates are worked out.