Mosquito season in Woodson County, KS: when it starts and ends
Mosquito months in Woodson County
In a normal year mosquito season in Woodson County, KS starts around April 1 and ends around November 4, about 31 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Woodson County, and when
- Start tipping out standing water weekly by March 18.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after November 4.
- 1 West Nile case since 2016 (last 2023): you should use repellent at dusk June to August, more so if over 60.
Woodson County against the rest of KS
Woodson County has the 11th longest season of 105 KS counties, at 217 days against 227 in Cherokee County and 178 in Thomas County. Its mean temperature is 55.9°F.
- Harper County: March 31 to November 5 (219 days, 1 WNV)
- Marion County: March 30 to November 3 (218 days, 0 WNV)
- Wilson County: April 1 to November 3 (216 days, 0 WNV)
- Comanche County: April 3 to November 5 (216 days, 0 WNV)
West Nile in Woodson County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Woodson County (0 neuroinvasive) across 1 year. The worst was 2023 with 1; the latest was 2023.
See how the dates are worked out, and when the season starts across the US.