Mosquito season in Mitchell County, KS: when it starts and ends
Mosquito months in Mitchell County
In a normal year mosquito season in Mitchell County, KS starts around April 8 and ends around October 27, about 29 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Mitchell County, and when
- Start tipping out standing water weekly by March 25.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after October 27.
- 2 West Nile cases since 2016 (last 2024): you should use repellent at dusk June to August, more so if over 60.
Mitchell County against the rest of KS
Mitchell County has the 56th longest season of 105 KS counties, at 202 days against 227 in Cherokee County and 178 in Thomas County. Its mean temperature is 53.6°F.
- Meade County: April 9 to October 29 (203 days, 5 WNV)
- Doniphan County: April 8 to October 27 (202 days, 1 WNV)
- Clay County: April 9 to October 28 (202 days, 2 WNV)
- Gray County: April 10 to October 29 (202 days, 10 WNV)
West Nile in Mitchell County
From 1999 to 2025, CDC ArboNET counted 5 human West Nile cases in Mitchell County (2 neuroinvasive) across 4 years. The worst was 2003 with 2; the latest was 2024.
More: how the dates are worked out · when mosquitoes go away for the winter.