Mosquito season in Brunswick County, NC: when it starts and ends
Mosquito months in Brunswick County
In a normal year mosquito season in Brunswick County, NC starts around March 7 and ends around December 1, about 38 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Brunswick County, and when
- Start tipping out standing water weekly by February 21.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after December 1.
- 1 West Nile case since 2016 (last 2021): you should use repellent at dusk May to September, more so if over 60.
Brunswick County against the rest of NC
Brunswick County has the 5th longest season of 100 NC counties, at 269 days against 292 in Carteret County and 176 in Ashe County. Its mean temperature is 63.8°F.
- Wayne County: March 1 to November 30 (274 days, 0 WNV)
- New Hanover County: March 3 to November 28 (270 days, 6 WNV)
- Scotland County: March 5 to November 27 (267 days, 0 WNV)
- Chowan County: March 9 to November 30 (266 days, 0 WNV)
West Nile in Brunswick County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Brunswick County (1 neuroinvasive) across 2 years. The worst was 2021 with 1; the latest was 2021.
Background: when the season starts across the US; how the dates are worked out.