Mosquito season in Nottoway County, VA: when it starts and ends

Mosquito months in Nottoway County

In a normal year mosquito season in Nottoway County, VA starts around March 30 and ends around November 7, about 32 weeks.

1. Jan
2. Feb
3. Mar
4. Apr
5. May
6. Jun
7. Jul
8. Aug
9. Sep
10. Oct
11. Nov
12. Dec

What to do in Nottoway County, and when

• Start tipping out standing water weekly by March 16.
• Book any yard treatment for late March, ahead of the July peak.
• Repellent can go away after November 7.
• No West Nile cases since 2016, so bites in Nottoway County are a nuisance; check window screens.

Nottoway County against the rest of VA

Nottoway County has the 58th longest season of 133 VA counties, at 222 days against 257 in Norfolk city and 172 in Highland County. Its mean temperature is 57.8°F.

• Arlington County: March 30 to November 8 (223 days, 5 WNV)
• Hanover County: March 30 to November 8 (223 days, 1 WNV)
• Charlottesville city: March 29 to November 6 (221 days, 0 WNV)
• Danville city: March 30 to November 6 (221 days, 0 WNV)

West Nile in Nottoway County

CDC ArboNET lists no human West Nile cases for Nottoway County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 2 of those years.

Background: when mosquitoes go away for the winter; how the dates are worked out.