Mosquito season in Bourbon County, KS: when it starts and ends
Mosquito months in Bourbon County
In a normal year mosquito season in Bourbon County, KS starts around March 28 and ends around November 4, about 32 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Bourbon County, and when
- Start tipping out standing water weekly by March 14.
- Book any yard treatment for late March, ahead of the July peak.
- Repellent can go away after November 4.
- No West Nile cases since 2016, so bites in Bourbon County are a nuisance; check window screens.
Bourbon County against the rest of KS
Bourbon County has the 4th longest season of 105 KS counties, at 221 days against 227 in Cherokee County and 178 in Thomas County. Its mean temperature is 56.4°F.
- Montgomery County: March 26 to November 8 (227 days, 1 WNV)
- Crawford County: March 27 to November 4 (223 days, 3 WNV)
- Neosho County: March 29 to November 5 (221 days, 0 WNV)
- Chautauqua County: March 29 to November 4 (220 days, 0 WNV)
West Nile in Bourbon County
CDC ArboNET lists no human West Nile cases for Bourbon County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 4 of those years.
More: how the dates are worked out · when the season starts across the US.