Mosquito season in Dodge County, MN: when it starts and ends
Mosquito months in Dodge County
In a normal year mosquito season in Dodge County, MN starts around May 2 and ends around October 5, about 22 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Dodge County, and when
- Start tipping out standing water weekly by April 18.
- Book any yard treatment for early May, ahead of the July peak.
- Repellent can go away after October 5.
- 1 West Nile case since 2016 (last 2018): you should use repellent at dusk July to July, more so if over 60.
Dodge County against the rest of MN
Dodge County has the 55th longest season of 87 MN counties, at 156 days against 176 in Winona County and 118 in Cook County. Its mean temperature is 44.2°F.
- Clay County: May 1 to October 5 (157 days, 30 WNV)
- Douglas County: May 2 to October 6 (157 days, 6 WNV)
- Meeker County: May 2 to October 5 (156 days, 2 WNV)
- Benton County: May 3 to October 5 (155 days, 4 WNV)
West Nile in Dodge County
From 1999 to 2025, CDC ArboNET counted 2 human West Nile cases in Dodge County (1 neuroinvasive) across 2 years. The worst was 2018 with 1; the latest was 2018.
More: how the dates are worked out · when mosquitoes go away for the winter.