Mosquito season in Wabasha County, MN: when it starts and ends
Mosquito months in Wabasha County
In a normal year mosquito season in Wabasha County, MN starts around April 28 and ends around October 10, about 24 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Wabasha County, and when
- Start tipping out standing water weekly by April 14.
- Book any yard treatment for late April, ahead of the July peak.
- Repellent can go away after October 10.
- 1 West Nile case since 2016 (last 2016): you should use repellent at dusk July to July, more so if over 60.
Wabasha County against the rest of MN
Wabasha County has the 26th longest season of 87 MN counties, at 165 days against 176 in Winona County and 118 in Cook County. Its mean temperature is 45°F.
- McLeod County: April 27 to October 10 (165 days, 4 WNV)
- Scott County: April 28 to October 10 (165 days, 13 WNV)
- Yellow Medicine County: April 28 to October 10 (165 days, 6 WNV)
- Anoka County: April 28 to October 9 (164 days, 23 WNV)
West Nile in Wabasha County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Wabasha County (1 neuroinvasive) across 1 year. The worst was 2016 with 1; the latest was 2016.
See how the dates are worked out, and when mosquitoes go away for the winter.