Mosquito season in Stoddard County, MO: when it starts and ends
Mosquito months in Stoddard County
In a normal year mosquito season in Stoddard County, MO starts around March 27 and ends around November 7, about 32 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Stoddard 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 7.
- 1 West Nile case since 2016 (last 2017): you should use repellent at dusk June to September, more so if over 60.
Stoddard County against the rest of MO
Stoddard County has the 15th longest season of 115 MO counties, at 225 days against 242 in Pemiscot County and 187 in Crawford County. Its mean temperature is 57.8°F.
- Miller County: March 26 to November 6 (225 days, 0 WNV)
- St. Louis County: March 26 to November 6 (225 days, 41 WNV)
- Jasper County: March 27 to November 5 (223 days, 0 WNV)
- Maries County: March 28 to November 5 (222 days, 0 WNV)
West Nile in Stoddard County
From 1999 to 2025, CDC ArboNET counted 3 human West Nile cases in Stoddard County (3 neuroinvasive) across 3 years. The worst was 2017 with 1; the latest was 2017.
See how the dates are worked out, and when the season starts across the US.