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

Mosquito months in Southampton County

In a normal year mosquito season in Southampton County, VA starts around March 25 and ends around November 12, about 33 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 Southampton County, and when

• Start tipping out standing water weekly by March 11.
• Book any yard treatment for late March, ahead of the July peak.
• Repellent can go away after November 12.
• No West Nile cases since 2016, so bites in Southampton County are a nuisance; check window screens.

Southampton County against the rest of VA

Southampton County has the 31st longest season of 133 VA counties, at 232 days against 257 in Norfolk city and 172 in Highland County. Its mean temperature is 59.1°F.

• Mathews County: March 27 to November 15 (233 days, 1 WNV)
• Mecklenburg County: March 24 to November 11 (232 days, 2 WNV)
• Franklin city: March 25 to November 12 (232 days, 0 WNV)
• Amelia County: March 26 to November 12 (231 days, 0 WNV)

West Nile in Southampton County

CDC ArboNET lists no human West Nile cases for Southampton County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 3 of those years.

More: how the dates are worked out · when the season starts across the US.