Mosquito season in Independence County, AR: when it starts and ends

Mosquito months in Independence County

In a normal year mosquito season in Independence County, AR starts around March 17 and ends around November 12, about 34 weeks.

1. Jan
2. Feb
3. Mar
4. Apr
5. May
6. Jun
7. Jul
8. Aug
9. Sep
10. Oct
11. Nov
12. Dec

What to do in Independence County, and when

• Start tipping out standing water weekly by March 3.
• Book any yard treatment for mid March, ahead of the July peak.
• Repellent can go away after November 12.
• 1 West Nile case since 2016 (last 2025): you should use repellent at dusk June to September, more so if over 60.

Independence County against the rest of AR

Independence County has the 53rd longest season of 75 AR counties, at 240 days against 274 in Chicot County and 211 in Washington County. Its mean temperature is 59.3°F.

• Clay County: March 16 to November 12 (241 days, 0 WNV)
• Greene County: March 17 to November 12 (240 days, 1 WNV)
• Madison County: March 18 to November 11 (238 days, 0 WNV)
• Lawrence County: March 18 to November 10 (237 days, 2 WNV)

West Nile in Independence County

From 1999 to 2025, CDC ArboNET counted 5 human West Nile cases in Independence County (5 neuroinvasive) across 5 years. The worst was 2025 with 1; the latest was 2025.

Background: when the season starts across the US; how the dates are worked out.