Mosquito season in Kittson County, MN: when it starts and ends
Mosquito months in Kittson County
In a normal year mosquito season in Kittson County, MN starts around May 6 and ends around September 30, about 21 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Kittson County, and when
- Start tipping out standing water weekly by April 22.
- Book any yard treatment for early May, ahead of the July peak.
- Repellent can go away after September 30.
- No West Nile cases since 2016, so bites in Kittson County are a nuisance; check window screens.
Kittson County against the rest of MN
Kittson County has the 75th longest season of 87 MN counties, at 147 days against 176 in Winona County and 118 in Cook County. Its mean temperature is 39.1°F.
- Aitkin County: May 7 to October 2 (148 days, 1 WNV)
- Wadena County: May 7 to October 1 (148 days, 1 WNV)
- Pine County: May 7 to October 2 (147 days, 1 WNV)
- Todd County: May 8 to October 1 (147 days, 5 WNV)
West Nile in Kittson County
From 1999 to 2025, CDC ArboNET counted 3 human West Nile cases in Kittson County (1 neuroinvasive) across 1 year. The worst was 2007 with 3; the latest was 2007.
See how the dates are worked out, and when the season starts across the US.