Mosquito season in Poinsett County, AR: when it starts and ends
Mosquito months in Poinsett County
In a normal year mosquito season in Poinsett County, AR starts around March 15 and ends around November 14, about 35 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Poinsett 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 14.
- No West Nile cases since 2016, so bites in Poinsett County are a nuisance; check window screens.
Poinsett County against the rest of AR
Poinsett County has the 46th longest season of 75 AR counties, at 244 days against 274 in Chicot County and 211 in Washington County. Its mean temperature is 59.6°F.
- Franklin County: March 15 to November 15 (245 days, 0 WNV)
- Columbia County: March 14 to November 13 (244 days, 3 WNV)
- Grant County: March 16 to November 15 (244 days, 0 WNV)
- Cleburne County: March 16 to November 14 (243 days, 0 WNV)
West Nile in Poinsett County
CDC ArboNET lists no human West Nile cases for Poinsett County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 3 of those years.
More: how the dates are worked out · when the season starts across the US.