Mosquito season in Warren County, NC: when it starts and ends
Mosquito months in Warren County
In a normal year mosquito season in Warren County, NC starts around March 23 and ends around November 17, about 34 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Warren County, and when
- Start tipping out standing water weekly by March 9.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 17.
- No West Nile cases since 2016, so bites in Warren County are a nuisance; check window screens.
Warren County against the rest of NC
Warren County has the 48th longest season of 100 NC counties, at 239 days against 292 in Carteret County and 176 in Ashe County. Its mean temperature is 59.9°F.
- Orange County: March 19 to November 14 (240 days, 1 WNV)
- Nash County: March 21 to November 16 (240 days, 0 WNV)
- Durham County: March 19 to November 12 (238 days, 4 WNV)
- Alamance County: March 20 to November 13 (238 days, 1 WNV)
West Nile in Warren County
CDC ArboNET lists no human West Nile cases for Warren County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 2 of those years.
More: how the dates are worked out · when mosquitoes go away for the winter.