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

Mosquito months in Craighead County

In a normal year mosquito season in Craighead County, AR starts around March 12 and ends around November 14, about 35 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 Craighead County, and when

• Start tipping out standing water weekly by February 26.
• Book any yard treatment for mid March, ahead of the July peak.
• Repellent can go away after November 14.
• 2 West Nile cases since 2016 (last 2025): you should use repellent at dusk May to September, more so if over 60.

Craighead County against the rest of AR

Craighead County has the 37th longest season of 75 AR counties, at 247 days against 274 in Chicot County and 211 in Washington County. Its mean temperature is 60.7°F.

• Clark County: March 11 to November 16 (250 days, 1 WNV)
• Sevier County: March 13 to November 17 (249 days, 0 WNV)
• Nevada County: March 14 to November 16 (247 days, 0 WNV)
• Jackson County: March 13 to November 14 (246 days, 0 WNV)

West Nile in Craighead County

From 1999 to 2025, CDC ArboNET counted 6 human West Nile cases in Craighead County (4 neuroinvasive) across 5 years. The worst was 2015 with 2; the latest was 2025.

See how the dates are worked out, and when the season starts across the US.