Mosquito season in Randolph County, NC: when it starts and ends
Mosquito months in Randolph County
In a normal year mosquito season in Randolph County, NC starts around March 24 and ends around November 10, about 33 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Randolph County, and when
- Start tipping out standing water weekly by March 10.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 10.
- No West Nile cases since 2016, so bites in Randolph County are a nuisance; check window screens.
Randolph County against the rest of NC
Randolph County has the 62nd longest season of 100 NC counties, at 231 days against 292 in Carteret County and 176 in Ashe County. Its mean temperature is 59°F.
- Northampton County: March 26 to November 13 (232 days, 0 WNV)
- McDowell County: March 24 to November 10 (231 days, 0 WNV)
- Polk County: March 25 to November 10 (230 days, 0 WNV)
- Caldwell County: March 25 to November 9 (229 days, 0 WNV)
West Nile in Randolph County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Randolph County (0 neuroinvasive) across 1 year. The worst was 2007 with 1; the latest was 2007.
More: how the dates are worked out · when the season starts across the US.