Mosquito season in Rogers County, OK: when it starts and ends

Mosquito months in Rogers County

In a normal year mosquito season in Rogers County, OK starts around March 25 and ends around November 8, about 33 weeks.

1. Jan
2. Feb
3. Mar
4. Apr
5. May
6. Jun
7. Jul
8. Aug
9. Sep
10. Oct
11. Nov
12. Dec

What to do in Rogers 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 8.
• 2 West Nile cases since 2016 (last 2024): you should use repellent at dusk June to September, more so if over 60.

Rogers County against the rest of OK

Rogers County has the 46th longest season of 77 OK counties, at 228 days against 271 in Choctaw County and 193 in Cimarron County. Its mean temperature is 59.2°F.

• Nowata County: March 26 to November 10 (229 days, 0 WNV)
• Grady County: March 25 to November 8 (228 days, 1 WNV)
• Greer County: March 27 to November 10 (228 days, 0 WNV)
• Harmon County: March 25 to November 7 (227 days, 0 WNV)

West Nile in Rogers County

From 1999 to 2025, CDC ArboNET counted 11 human West Nile cases in Rogers County (7 neuroinvasive) across 9 years. The worst was 2015 with 2; the latest was 2024.

See how the dates are worked out, and when mosquitoes go away for the winter.