Mosquito season in Wichita County, KS: when it starts and ends
Mosquito months in Wichita County
In a normal year mosquito season in Wichita County, KS starts around April 23 and ends around October 21, about 26 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Wichita County, and when
- Start tipping out standing water weekly by April 9.
- Book any yard treatment for late April, ahead of the July peak.
- Repellent can go away after October 21.
- No West Nile cases since 2016, so bites in Wichita County are a nuisance; check window screens.
Wichita County against the rest of KS
Wichita County has the 101st longest season of 105 KS counties, at 181 days against 227 in Cherokee County and 178 in Thomas County. Its mean temperature is 52.3°F.
- Hamilton County: April 21 to October 19 (181 days, 3 WNV)
- Rush County: April 21 to October 19 (181 days, 0 WNV)
- Greeley County: April 23 to October 19 (179 days, 2 WNV)
- Sherman County: April 23 to October 19 (179 days, 5 WNV)
West Nile in Wichita County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Wichita County (1 neuroinvasive) across 1 year. The worst was 2008 with 1; the latest was 2008.
More: how the dates are worked out · when the season starts across the US.