Mosquito season in Lonoke County, AR: when it starts and ends
Mosquito months in Lonoke County
In a normal year mosquito season in Lonoke County, AR starts around March 8 and ends around November 18, about 36 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Lonoke County, and when
- Start tipping out standing water weekly by February 22.
- Book any yard treatment for early March, ahead of the July peak.
- Repellent can go away after November 18.
- 2 West Nile cases since 2016 (last 2017): you should use repellent at dusk June to September, more so if over 60.
Lonoke County against the rest of AR
Lonoke County has the 25th longest season of 75 AR counties, at 255 days against 274 in Chicot County and 211 in Washington County. Its mean temperature is 61.2°F.
- St. Francis County: March 9 to November 20 (256 days, 0 WNV)
- Howard County: March 10 to November 21 (256 days, 0 WNV)
- Perry County: March 8 to November 18 (255 days, 1 WNV)
- Pulaski County: March 8 to November 18 (255 days, 22 WNV)
West Nile in Lonoke County
From 1999 to 2025, CDC ArboNET counted 7 human West Nile cases in Lonoke County (5 neuroinvasive) across 6 years. The worst was 2012 with 2; the latest was 2017.
More: how the dates are worked out · when the season starts across the US.