Mosquito season in Jackson County, KS: when it starts and ends
Mosquito months in Jackson County
In a normal year mosquito season in Jackson County, KS starts around April 13 and ends around October 24, about 28 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Jackson County, and when
- Start tipping out standing water weekly by March 30.
- Book any yard treatment for mid April, ahead of the July peak.
- Repellent can go away after October 24.
- 2 West Nile cases since 2016 (last 2018): you should use repellent at dusk June to August, more so if over 60.
Jackson County against the rest of KS
Jackson County has the 77th longest season of 105 KS counties, at 194 days against 227 in Cherokee County and 178 in Thomas County. Its mean temperature is 52.7°F.
- Hodgeman County: April 14 to October 27 (196 days, 1 WNV)
- Gove County: April 13 to October 24 (194 days, 0 WNV)
- Smith County: April 13 to October 24 (194 days, 0 WNV)
- Barton County: April 14 to October 25 (194 days, 8 WNV)
West Nile in Jackson County
From 1999 to 2025, CDC ArboNET counted 4 human West Nile cases in Jackson County (4 neuroinvasive) across 4 years. The worst was 2018 with 1; the latest was 2018.
See how the dates are worked out, and when the season starts across the US.