Mosquito season in Pittsburg County, OK: when it starts and ends
Mosquito months in Pittsburg County
In a normal year mosquito season in Pittsburg County, OK starts around March 15 and ends around November 13, about 35 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Pittsburg County, and when
- Start tipping out standing water weekly by March 1.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 13.
- 10 West Nile cases since 2016: you should wear EPA-registered repellent at dusk June to September, and check OK spray notices.
Pittsburg County against the rest of OK
Pittsburg County has the 18th longest season of 77 OK counties, at 243 days against 271 in Choctaw County and 193 in Cimarron County. Its mean temperature is 62.3°F.
- Wagoner County: March 15 to November 16 (246 days, 1 WNV)
- Pottawatomie County: March 15 to November 14 (244 days, 10 WNV)
- Coal County: March 16 to November 14 (243 days, 2 WNV)
- Love County: March 15 to November 12 (242 days, 0 WNV)
West Nile in Pittsburg County
From 1999 to 2025, CDC ArboNET counted 40 human West Nile cases in Pittsburg County (14 neuroinvasive) across 10 years. The worst was 2012 with 13; the latest was 2023.
Background: reading the West Nile counts; how the dates are worked out.