Mosquito season in Huron County, MI: when it starts and ends
Mosquito months in Huron County
In a normal year mosquito season in Huron County, MI starts around May 6 and ends around October 16, about 23 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Huron 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 October 16.
- No West Nile cases since 2016, so bites in Huron County are a nuisance; check window screens.
Huron County against the rest of MI
Huron County has the 42nd longest season of 83 MI counties, at 163 days against 189 in Allegan County and 124 in Iron County. Its mean temperature is 46.2°F.
- Mason County: May 2 to October 11 (163 days, 0 WNV)
- Muskegon County: May 5 to October 15 (163 days, 2 WNV)
- Newaygo County: May 1 to October 11 (162 days, 1 WNV)
- Gladwin County: May 2 to October 10 (162 days, 0 WNV)
West Nile in Huron County
From 1999 to 2025, CDC ArboNET counted 1 human West Nile case in Huron County (0 neuroinvasive) across 1 year. The worst was 2003 with 1; the latest was 2003.
Background: when mosquitoes go away for the winter; how the dates are worked out.