Mosquito season in Poquoson city, VA: when it starts and ends
Mosquito months in Poquoson city
In a normal year mosquito season in Poquoson city, VA starts around March 18 and ends around November 20, about 35 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Poquoson city, 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 20.
- No West Nile cases since 2016, so bites in Poquoson city are a nuisance; check window screens.
Poquoson city against the rest of VA
Poquoson city has the 6th longest season of 133 VA counties, at 247 days against 257 in Norfolk city and 172 in Highland County. Its mean temperature is 59.9°F.
- Hampton city: March 17 to November 22 (250 days, 3 WNV)
- Virginia Beach city: March 18 to November 23 (250 days, 3 WNV)
- Hopewell city: March 18 to November 19 (246 days, 0 WNV)
- Isle of Wight County: March 18 to November 18 (245 days, 1 WNV)
West Nile in Poquoson city
CDC ArboNET lists no human West Nile cases for Poquoson city from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 1 of those years.
See how the dates are worked out, and when mosquitoes go away for the winter.