Mosquito season in Richmond County, NC: when it starts and ends
Mosquito months in Richmond County
In a normal year mosquito season in Richmond County, NC starts around March 18 and ends around November 16, about 35 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Richmond 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 16.
- No West Nile cases since 2016, so bites in Richmond County are a nuisance; check window screens.
Richmond County against the rest of NC
Richmond County has the 44th longest season of 100 NC counties, at 243 days against 292 in Carteret County and 176 in Ashe County. Its mean temperature is 62.5°F.
- Granville County: March 17 to November 15 (243 days, 0 WNV)
- Moore County: March 17 to November 15 (243 days, 1 WNV)
- Mecklenburg County: March 17 to November 14 (242 days, 18 WNV)
- Orange County: March 19 to November 14 (240 days, 1 WNV)
West Nile in Richmond County
CDC ArboNET lists no human West Nile cases for Richmond County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 2 of those years.
See how the dates are worked out, and when the season starts across the US.