Mosquito season in Lincoln County, MO: when it starts and ends
Mosquito months in Lincoln County
In a normal year mosquito season in Lincoln County, MO starts around April 6 and ends around October 29, about 29 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Lincoln County, and when
- Start tipping out standing water weekly by March 23.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after October 29.
- 2 West Nile cases since 2016 (last 2024): you should use repellent at dusk June to August, more so if over 60.
Lincoln County against the rest of MO
Lincoln County has the 80th longest season of 115 MO counties, at 206 days against 242 in Pemiscot County and 187 in Crawford County. Its mean temperature is 54.2°F.
- Macon County: April 5 to October 29 (207 days, 0 WNV)
- Pike County: April 5 to October 29 (207 days, 0 WNV)
- Marion County: April 6 to October 28 (205 days, 1 WNV)
- Shannon County: April 6 to October 28 (205 days, 1 WNV)
West Nile in Lincoln County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Lincoln County (2 neuroinvasive) across 1 year. The worst was 2024 with 2; the latest was 2024.
Background: when the season starts across the US; how the dates are worked out.