Mosquito season in Iredell County, NC: when it starts and ends
Mosquito months in Iredell County
In a normal year mosquito season in Iredell County, NC starts around April 3 and ends around November 3, about 31 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Iredell County, and when
- Start tipping out standing water weekly by March 20.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after November 3.
- No West Nile cases since 2016, so bites in Iredell County are a nuisance; check window screens.
Iredell County against the rest of NC
Iredell County has the 84th longest season of 100 NC counties, at 214 days against 292 in Carteret County and 176 in Ashe County. Its mean temperature is 57.4°F.
- Person County: April 2 to November 3 (215 days, 0 WNV)
- Transylvania County: April 2 to November 2 (214 days, 0 WNV)
- Yadkin County: April 3 to November 3 (214 days, 0 WNV)
- Surry County: April 2 to November 1 (213 days, 0 WNV)
West Nile in Iredell County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Iredell County (1 neuroinvasive) across 1 year. The worst was 2003 with 2; the latest was 2003.
More: how the dates are worked out · when mosquitoes go away for the winter.