Mosquito season in Hickory County, MO: when it starts and ends
Mosquito months in Hickory County
In a normal year mosquito season in Hickory County, MO starts around March 29 and ends around November 6, about 32 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Hickory County, and when
- Start tipping out standing water weekly by March 15.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 6.
- No West Nile cases since 2016, so bites in Hickory County are a nuisance; check window screens.
Hickory County against the rest of MO
Hickory County has the 18th longest season of 115 MO counties, at 222 days against 242 in Pemiscot County and 187 in Crawford County. Its mean temperature is 56.6°F.
- Jasper County: March 27 to November 5 (223 days, 0 WNV)
- Maries County: March 28 to November 5 (222 days, 0 WNV)
- Boone County: March 27 to November 4 (221 days, 5 WNV)
- Phelps County: March 28 to November 4 (220 days, 1 WNV)
West Nile in Hickory County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Hickory County (1 neuroinvasive) across 1 year. The worst was 2004 with 2; the latest was 2004.
Background: when the season starts across the US; how the dates are worked out.