<p>NYJets, Michigan gets really cold in December, January and February. Even in those months, you get days when the weather rises over 50 or 60 degrees. </p>
<p>October and November as well as March and April are also cold, but mixed in are many pleasant and reasonable days (50-70 degrees). </p>
<p>May-September are gorgeous. </p>
<p>In short, you have three bad months.</p>