Mosquito season in Jackson County, AR: when it starts and ends
Mosquito months in Jackson County
In a normal year mosquito season in Jackson County, AR starts around March 13 and ends around November 14, about 35 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Jackson County, and when
- Start tipping out standing water weekly by February 27.
- 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 Jackson County are a nuisance; check window screens.
Jackson County against the rest of AR
Jackson County has the 39th longest season of 75 AR counties, at 246 days against 274 in Chicot County and 211 in Washington County. Its mean temperature is 60.1°F.
- Craighead County: March 12 to November 14 (247 days, 2 WNV)
- Nevada County: March 14 to November 16 (247 days, 0 WNV)
- Pope County: March 13 to November 14 (246 days, 2 WNV)
- Johnson County: March 14 to November 15 (246 days, 2 WNV)
West Nile in Jackson County
CDC ArboNET lists no human West Nile cases for Jackson County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 4 of those years.
See how the dates are worked out, and when mosquitoes go away for the winter.