Mosquito season in Pratt County, KS: when it starts and ends
Mosquito months in Pratt County
In a normal year mosquito season in Pratt County, KS starts around April 9 and ends around October 30, about 29 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Pratt County, and when
- Start tipping out standing water weekly by March 26.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after October 30.
- 6 West Nile cases since 2016 (last 2025): you should use repellent at dusk June to August, more so if over 60.
Pratt County against the rest of KS
Pratt County has the 47th longest season of 105 KS counties, at 204 days against 227 in Cherokee County and 178 in Thomas County. Its mean temperature is 55.2°F.
- Franklin County: April 8 to October 30 (205 days, 1 WNV)
- Stanton County: April 9 to October 31 (205 days, 2 WNV)
- Stevens County: April 9 to October 30 (204 days, 4 WNV)
- Chase County: April 7 to October 27 (203 days, 0 WNV)
West Nile in Pratt County
From 1999 to 2025, CDC ArboNET counted 19 human West Nile cases in Pratt County (8 neuroinvasive) across 12 years. The worst was 2008 with 3; the latest was 2025.
See how the dates are worked out, and reading the West Nile counts.