Mosquito season in Caldwell County, NC: when it starts and ends
Mosquito months in Caldwell County
In a normal year mosquito season in Caldwell County, NC starts around March 25 and ends around November 9, about 33 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Caldwell County, and when
- Start tipping out standing water weekly by March 11.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 9.
- No West Nile cases since 2016, so bites in Caldwell County are a nuisance; check window screens.
Caldwell County against the rest of NC
Caldwell County has the 64th longest season of 100 NC counties, at 229 days against 292 in Carteret County and 176 in Ashe County. Its mean temperature is 58.1°F.
- Randolph County: March 24 to November 10 (231 days, 0 WNV)
- Polk County: March 25 to November 10 (230 days, 0 WNV)
- Hertford County: March 26 to November 10 (229 days, 1 WNV)
- Rowan County: March 25 to November 8 (228 days, 1 WNV)
West Nile in Caldwell County
CDC ArboNET lists no human West Nile cases for Caldwell County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 2 of those years.
See how the dates are worked out, and when the season starts across the US.