Mosquito season in Sevier County, AR: when it starts and ends
Mosquito months in Sevier County
In a normal year mosquito season in Sevier County, AR starts around March 13 and ends around November 17, about 36 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Sevier County, and when
- Start tipping out standing water weekly by February 27.
- Book any yard treatment for mid March, ahead of the July peak.
- Repellent can go away after November 17.
- No West Nile cases since 2016, so bites in Sevier County are a nuisance; check window screens.
Sevier County against the rest of AR
Sevier County has the 36th longest season of 75 AR counties, at 249 days against 274 in Chicot County and 211 in Washington County. Its mean temperature is 62.4°F.
- White County: March 12 to November 18 (251 days, 3 WNV)
- Clark County: March 11 to November 16 (250 days, 1 WNV)
- Craighead County: March 12 to November 14 (247 days, 2 WNV)
- Nevada County: March 14 to November 16 (247 days, 0 WNV)
West Nile in Sevier County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Sevier County (1 neuroinvasive) across 1 year. The worst was 2003 with 1; the latest was 2003.
More: how the dates are worked out · when the season starts across the US.