Mosquito season in Catawba County, NC: when it starts and ends
Mosquito months in Catawba County
In a normal year mosquito season in Catawba County, NC starts around March 13 and ends around November 15, about 35 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Catawba County, and when
- Start tipping out standing water weekly by February 27.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 15.
- 4 West Nile cases since 2016 (last 2022): you should use repellent at dusk June to September, more so if over 60.
Catawba County against the rest of NC
Catawba County has the 35th longest season of 100 NC counties, at 247 days against 292 in Carteret County and 176 in Ashe County. Its mean temperature is 59.7°F.
- Pamlico County: March 17 to November 20 (248 days, 0 WNV)
- Onslow County: March 18 to November 21 (248 days, 1 WNV)
- Johnston County: March 16 to November 17 (246 days, 1 WNV)
- Montgomery County: March 16 to November 16 (245 days, 1 WNV)
West Nile in Catawba County
From 1999 to 2025, CDC ArboNET counted 4 human West Nile cases in Catawba County (4 neuroinvasive) across 3 years. The worst was 2018 with 2; the latest was 2022.
Background: reading the West Nile counts; how the dates are worked out.