Mosquito season in McCurtain County, OK: when it starts and ends
Mosquito months in McCurtain County
In a normal year mosquito season in McCurtain County, OK starts around March 13 and ends around November 14, about 35 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in McCurtain 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 14.
- No West Nile cases since 2016, so bites in McCurtain County are a nuisance; check window screens.
McCurtain County against the rest of OK
McCurtain County has the 13th longest season of 77 OK counties, at 246 days against 271 in Choctaw County and 193 in Cimarron County. Its mean temperature is 61.7°F.
- Jefferson County: March 13 to November 14 (246 days, 0 WNV)
- Johnston County: March 13 to November 14 (246 days, 0 WNV)
- Hughes County: March 15 to November 16 (246 days, 1 WNV)
- Sequoyah County: March 15 to November 16 (246 days, 0 WNV)
West Nile in McCurtain County
From 1999 to 2025, CDC ArboNET counted 4 human West Nile cases in McCurtain County (1 neuroinvasive) across 3 years. The worst was 2012 with 2; the latest was 2012.
More: how the dates are worked out · when mosquitoes go away for the winter.