Mosquito season in Beaufort County, NC: when it starts and ends
Mosquito months in Beaufort County
In a normal year mosquito season in Beaufort County, NC starts around March 2 and ends around December 4, about 40 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Beaufort County, and when
- Start tipping out standing water weekly by February 16.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after December 4.
- 3 West Nile cases since 2016 (last 2024): you should use repellent at dusk June to September, more so if over 60.
Beaufort County against the rest of NC
Beaufort County has the 2nd longest season of 100 NC counties, at 277 days against 292 in Carteret County and 176 in Ashe County. Its mean temperature is 62.8°F.
- Carteret County: February 25 to December 14 (292 days, 0 WNV)
- Wayne County: March 1 to November 30 (274 days, 0 WNV)
- New Hanover County: March 3 to November 28 (270 days, 6 WNV)
West Nile in Beaufort County
From 1999 to 2025, CDC ArboNET counted 4 human West Nile cases in Beaufort County (4 neuroinvasive) across 3 years. The worst was 2024 with 2; the latest was 2024.
More: how the dates are worked out · when the season starts across the US.