Mosquito season in Arkansas County, AR: when it starts and ends
Mosquito months in Arkansas County
In a normal year mosquito season in Arkansas County, AR starts around February 28 and ends around November 25, about 39 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Arkansas County, and when
- Start tipping out standing water weekly by February 14.
- Book any yard treatment for late February, ahead of the July peak.
- Repellent can go away after November 25.
- No West Nile cases since 2016, so bites in Arkansas County are a nuisance; check window screens.
Arkansas County against the rest of AR
Arkansas County has the 5th longest season of 75 AR counties, at 270 days against 274 in Chicot County and 211 in Washington County. Its mean temperature is 62.8°F.
- Miller County: February 28 to November 27 (272 days, 4 WNV)
- Lincoln County: March 2 to November 29 (272 days, 2 WNV)
- Cleveland County: March 2 to November 26 (269 days, 0 WNV)
- Ashley County: March 3 to November 26 (268 days, 0 WNV)
West Nile in Arkansas County
From 1999 to 2025, CDC ArboNET counted 4 human West Nile cases in Arkansas County (4 neuroinvasive) across 3 years. The worst was 2003 with 2; the latest was 2007.
Background: when the season starts across the US; how the dates are worked out.