Mosquito season in Prairie County, AR: when it starts and ends
Mosquito months in Prairie County
In a normal year mosquito season in Prairie County, AR starts around March 5 and ends around November 21, about 37 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Prairie County, and when
- Start tipping out standing water weekly by February 19.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after November 21.
- No West Nile cases since 2016, so bites in Prairie County are a nuisance; check window screens.
Prairie County against the rest of AR
Prairie County has the 15th longest season of 75 AR counties, at 261 days against 274 in Chicot County and 211 in Washington County. Its mean temperature is 62.1°F.
- Phillips County: March 5 to November 22 (262 days, 0 WNV)
- Bradley County: March 6 to November 23 (262 days, 1 WNV)
- Lee County: March 7 to November 22 (260 days, 0 WNV)
- Calhoun County: March 6 to November 19 (258 days, 0 WNV)
West Nile in Prairie County
CDC ArboNET lists no human West Nile cases for Prairie County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 2 of those years.
More: how the dates are worked out · when the season starts across the US.