Mosquito season in Stone County, AR: when it starts and ends

Mosquito months in Stone County

In a normal year mosquito season in Stone County, AR starts around March 19 and ends around November 11, about 34 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 Stone County, and when

• Start tipping out standing water weekly by March 5.
• Book any yard treatment for mid March, ahead of the July peak.
• Repellent can go away after November 11.
• No West Nile cases since 2016, so bites in Stone County are a nuisance; check window screens.

Stone County against the rest of AR

Stone County has the 56th longest season of 75 AR counties, at 237 days against 274 in Chicot County and 211 in Washington County. Its mean temperature is 59.6°F.

• Madison County: March 18 to November 11 (238 days, 0 WNV)
• Lawrence County: March 18 to November 10 (237 days, 2 WNV)
• Randolph County: March 19 to November 9 (235 days, 0 WNV)
• Baxter County: March 20 to November 10 (235 days, 0 WNV)

West Nile in Stone County

CDC ArboNET lists no human West Nile cases for Stone County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 4 of those years.

Background: when mosquitoes go away for the winter; how the dates are worked out.