Mosquito season in Benzie County, MI: when it starts and ends
Mosquito months in Benzie County
In a normal year mosquito season in Benzie County, MI starts around May 3 and ends around October 14, about 23 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Benzie County, and when
- Start tipping out standing water weekly by April 19.
- Book any yard treatment for early May, ahead of the July peak.
- Repellent can go away after October 14.
- No West Nile cases since 2016, so bites in Benzie County are a nuisance; check window screens.
Benzie County against the rest of MI
Benzie County has the 38th longest season of 83 MI counties, at 164 days against 189 in Allegan County and 124 in Iron County. Its mean temperature is 46.5°F.
- Sanilac County: May 2 to October 14 (165 days, 4 WNV)
- Oceana County: May 2 to October 13 (164 days, 0 WNV)
- Grand Traverse County: May 3 to October 14 (164 days, 1 WNV)
- Mason County: May 2 to October 11 (163 days, 0 WNV)
West Nile in Benzie County
CDC ArboNET lists no human West Nile cases for Benzie County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 6 of those years.
See how the dates are worked out, and when the season starts across the US.