Mosquito season in Schuyler County, MO: when it starts and ends
Mosquito months in Schuyler County
In a normal year mosquito season in Schuyler County, MO starts around April 13 and ends around October 23, about 28 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Schuyler County, and when
- Start tipping out standing water weekly by March 30.
- Book any yard treatment for mid April, ahead of the July peak.
- Repellent can go away after October 23.
- No West Nile cases since 2016, so bites in Schuyler County are a nuisance; check window screens.
Schuyler County against the rest of MO
Schuyler County has the 107th longest season of 115 MO counties, at 194 days against 242 in Pemiscot County and 187 in Crawford County. Its mean temperature is 51.1°F.
- Adair County: April 12 to October 24 (195 days, 0 WNV)
- Caldwell County: April 13 to October 24 (194 days, 1 WNV)
- Atchison County: April 11 to October 22 (193 days, 0 WNV)
- Gasconade County: April 14 to October 24 (193 days, 0 WNV)
West Nile in Schuyler County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Schuyler 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.