Mosquito season in Sampson County, NC: when it starts and ends
Mosquito months in Sampson County
In a normal year mosquito season in Sampson County, NC starts around March 14 and ends around November 18, about 36 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Sampson County, and when
- Start tipping out standing water weekly by February 28.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 18.
- No West Nile cases since 2016, so bites in Sampson County are a nuisance; check window screens.
Sampson County against the rest of NC
Sampson County has the 28th longest season of 100 NC counties, at 249 days against 292 in Carteret County and 176 in Ashe County. Its mean temperature is 61.3°F.
- Bladen County: March 14 to November 19 (250 days, 0 WNV)
- Bertie County: March 16 to November 21 (250 days, 0 WNV)
- Pender County: March 16 to November 20 (249 days, 0 WNV)
- Washington County: March 17 to November 21 (249 days, 0 WNV)
West Nile in Sampson County
CDC ArboNET lists no human West Nile cases for Sampson County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 1 of those years.
More: how the dates are worked out · when mosquitoes go away for the winter.