Mosquito season in Luce County, MI: when it starts and ends

Mosquito months in Luce County

In a normal year mosquito season in Luce County, MI starts around May 14 and ends around October 2, about 20 weeks.

What to do in Luce County, and when

Start tipping out standing water weekly by April 30.
Book any yard treatment for mid May, ahead of the July peak.
Repellent can go away after October 2.
No West Nile cases since 2016, so bites in Luce County are a nuisance; check window screens.

Luce County against the rest of MI

Luce County has the 77th longest season of 83 MI counties, at 141 days against 189 in Allegan County and 124 in Iron County. Its mean temperature is 41.2°F.

Lake County: May 18 to October 7 (142 days, 0 WNV)
Gogebic County: May 12 to September 30 (141 days, 0 WNV)
Schoolcraft County: May 17 to October 4 (140 days, 0 WNV)
Keweenaw County: May 16 to October 2 (139 days, 1 WNV)

West Nile in Luce County

CDC ArboNET lists no human West Nile cases for Luce County from 1999 to 2025, though virus turned up in birds, mosquitoes or horses in 9 of those years.

See how the dates are worked out, and when the season starts across the US.