Mosquito season in Cleveland County, AR: when it starts and ends
Mosquito months in Cleveland County
In a normal year mosquito season in Cleveland County, AR starts around March 2 and ends around November 26, about 38 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Cleveland County, and when
- Start tipping out standing water weekly by February 16.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after November 26.
- No West Nile cases since 2016, so bites in Cleveland County are a nuisance; check window screens.
Cleveland County against the rest of AR
Cleveland County has the 6th longest season of 75 AR counties, at 269 days against 274 in Chicot County and 211 in Washington County. Its mean temperature is 62.8°F.
- Lincoln County: March 2 to November 29 (272 days, 2 WNV)
- Arkansas County: February 28 to November 25 (270 days, 0 WNV)
- Ashley County: March 3 to November 26 (268 days, 0 WNV)
- Drew County: March 4 to November 25 (266 days, 2 WNV)
West Nile in Cleveland County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Cleveland County (1 neuroinvasive) across 1 year. The worst was 2007 with 1; the latest was 2007.
More: how the dates are worked out · when the season starts across the US.