Mosquito season in Kearny County, KS: when it starts and ends
Mosquito months in Kearny County
In a normal year mosquito season in Kearny County, KS starts around April 7 and ends around October 29, about 29 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Kearny County, and when
- Start tipping out standing water weekly by March 24.
- 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 2018): you should use repellent at dusk June to August, more so if over 60.
Kearny County against the rest of KS
Kearny County has the 44th longest season of 105 KS counties, at 205 days against 227 in Cherokee County and 178 in Thomas County. Its mean temperature is 55.3°F.
- Stafford County: April 7 to October 30 (206 days, 4 WNV)
- Seward County: April 9 to November 1 (206 days, 2 WNV)
- Franklin County: April 8 to October 30 (205 days, 1 WNV)
- Stanton County: April 9 to October 31 (205 days, 2 WNV)
West Nile in Kearny County
From 1999 to 2025, CDC ArboNET counted 4 human West Nile cases in Kearny County (1 neuroinvasive) across 3 years. The worst was 2018 with 2; the latest was 2018.
Background: when mosquitoes go away for the winter; how the dates are worked out.