When the daytime high doesn't break 70° F.
|Daily high and low temperature chart for Naples Florida|
So far we've had 2 such days.
Our long-term winter average (Nov-Mar) is 18 days.
|Number of winter days per year, 1970 to present|
For me the big difference is the "above average" nighttime lows (see top chart).
Now that I think of it, I've only worn my scarf twice.