Mosquito season in Coal County, OK: when it starts and ends
Mosquito months in Coal County
In a normal year mosquito season in Coal County, OK starts around March 16 and ends around November 14, about 35 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Coal County, and when
- Start tipping out standing water weekly by March 2.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 14.
- 2 West Nile cases since 2016 (last 2023): you should use repellent at dusk June to September, more so if over 60.
Coal County against the rest of OK
Coal County has the 19th longest season of 77 OK counties, at 243 days against 271 in Choctaw County and 193 in Cimarron County. Its mean temperature is 61.2°F.
- Pottawatomie County: March 15 to November 14 (244 days, 10 WNV)
- Pittsburg County: March 15 to November 13 (243 days, 10 WNV)
- Love County: March 15 to November 12 (242 days, 0 WNV)
- Adair County: March 17 to November 14 (242 days, 0 WNV)
West Nile in Coal County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Coal County (2 neuroinvasive) across 2 years. The worst was 2023 with 1; the latest was 2023.
More: how the dates are worked out · when the season starts across the US.