Mosquito season in Cedar County, MO: when it starts and ends
Mosquito months in Cedar County
In a normal year mosquito season in Cedar County, MO starts around March 27 and ends around November 8, about 32 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Cedar County, and when
- Start tipping out standing water weekly by March 13.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 8.
- No West Nile cases since 2016, so bites in Cedar County are a nuisance; check window screens.
Cedar County against the rest of MO
Cedar County has the 11th longest season of 115 MO counties, at 226 days against 242 in Pemiscot County and 187 in Crawford County. Its mean temperature is 57.3°F.
- Wayne County: March 24 to November 6 (226 days, 0 WNV)
- Camden County: March 26 to November 6 (226 days, 0 WNV)
- Newton County: March 27 to November 8 (226 days, 0 WNV)
- Miller County: March 26 to November 6 (225 days, 0 WNV)
West Nile in Cedar County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Cedar County (1 neuroinvasive) across 1 year. The worst was 2015 with 1; the latest was 2015.
See how the dates are worked out, and when the season starts across the US.