Mosquito season in Madison County, AR: when it starts and ends
Mosquito months in Madison County
In a normal year mosquito season in Madison County, AR starts around March 18 and ends around November 11, about 34 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Madison County, and when
- Start tipping out standing water weekly by March 4.
- 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 Madison County are a nuisance; check window screens.
Madison County against the rest of AR
Madison County has the 54th longest season of 75 AR counties, at 238 days against 274 in Chicot County and 211 in Washington County. Its mean temperature is 58.4°F.
- Greene County: March 17 to November 12 (240 days, 1 WNV)
- Independence County: March 17 to November 12 (240 days, 1 WNV)
- Lawrence County: March 18 to November 10 (237 days, 2 WNV)
- Stone County: March 19 to November 11 (237 days, 0 WNV)
West Nile in Madison County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Madison County (0 neuroinvasive) across 1 year. The worst was 2012 with 1; the latest was 2012.
More: how the dates are worked out · when mosquitoes go away for the winter.