Mosquito season in Alamance County, NC: when it starts and ends
Mosquito months in Alamance County
In a normal year mosquito season in Alamance County, NC starts around March 20 and ends around November 13, about 34 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Alamance County, and when
- Start tipping out standing water weekly by March 6.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 13.
- 1 West Nile case since 2016 (last 2017): you should use repellent at dusk June to September, more so if over 60.
Alamance County against the rest of NC
Alamance County has the 50th longest season of 100 NC counties, at 238 days against 292 in Carteret County and 176 in Ashe County. Its mean temperature is 60°F.
- Warren County: March 23 to November 17 (239 days, 0 WNV)
- Durham County: March 19 to November 12 (238 days, 4 WNV)
- Cabarrus County: March 20 to November 13 (238 days, 3 WNV)
- Alexander County: March 20 to November 12 (237 days, 0 WNV)
West Nile in Alamance County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Alamance County (2 neuroinvasive) across 2 years. The worst was 2017 with 1; the latest was 2017.
More: how the dates are worked out · when the season starts across the US.