Mosquito season in Franklin County, NC: when it starts and ends
Mosquito months in Franklin County
In a normal year mosquito season in Franklin County, NC starts around March 29 and ends around November 6, about 32 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Franklin County, and when
- Start tipping out standing water weekly by March 15.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 6.
- No West Nile cases since 2016, so bites in Franklin County are a nuisance; check window screens.
Franklin County against the rest of NC
Franklin County has the 75th longest season of 100 NC counties, at 222 days against 292 in Carteret County and 176 in Ashe County. Its mean temperature is 59.1°F.
- Duplin County: March 29 to November 7 (223 days, 0 WNV)
- Rutherford County: March 28 to November 5 (222 days, 1 WNV)
- Rockingham County: March 30 to November 6 (221 days, 0 WNV)
- Davidson County: March 30 to November 5 (220 days, 1 WNV)
West Nile in Franklin County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Franklin County (1 neuroinvasive) across 1 year. The worst was 2003 with 1; the latest was 2003.
Background: when mosquitoes go away for the winter; how the dates are worked out.