Mosquito season in Lenoir County, NC: when it starts and ends
Mosquito months in Lenoir County
In a normal year mosquito season in Lenoir County, NC starts around March 13 and ends around November 26, about 37 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Lenoir County, and when
- Start tipping out standing water weekly by February 27.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 26.
- 1 West Nile case since 2016 (last 2025): you should use repellent at dusk June to September, more so if over 60.
Lenoir County against the rest of NC
Lenoir County has the 18th longest season of 100 NC counties, at 258 days against 292 in Carteret County and 176 in Ashe County. Its mean temperature is 62.4°F.
- Greene County: March 9 to November 24 (260 days, 0 WNV)
- Tyrrell County: March 14 to November 28 (260 days, 0 WNV)
- Currituck County: March 14 to November 27 (258 days, 1 WNV)
- Perquimans County: March 14 to November 27 (258 days, 0 WNV)
West Nile in Lenoir County
From 1999 to 2025, CDC ArboNET counted 3 human West Nile cases in Lenoir County (3 neuroinvasive) across 3 years. The worst was 2025 with 1; the latest was 2025.
More: how the dates are worked out · when mosquitoes go away for the winter.