Milwaukee · December
Run in the midday.
Cold: average high 37°F, low 26°F. Layering becomes the workout. Cold mornings warm into runnable midday hours — the windows around noon catch the warmest temperatures.
Avg high / low
37° / 26°F
Humidity
73%
Rain days
11/mo
Wind
15 mph
What December feels like in Milwaukee
Sunrise
08:16
Mid-month average
Sunset
17:19
Mid-month average
Time-of-day breakdown
Morning
Coolest, driest air of the day. The window before sunrise is the most reliable comfortable hour.
Midday
Often the warmest few hours of a cold day. If you can only run once, midday gives you the most temperate window.
Evening
Cold drops back in fast after sunset. Tight window — done before headlamp territory.
What to wear running in Milwaukee in December
The kit for December in Milwaukee: cold-weather layers, gloves, and ear coverage on most mornings, a wind-blocking layer for exposed routes.
December vs the surrounding months
vs November
-9° avg high
+1 rain days
Milwaukee in November →
December
37°F avg high
11 rain days
Best: midday
vs January
+7° avg high
-1 rain days
Milwaukee in January →
Frequently Asked Questions
What is the best time of day to run in Milwaukee in December?+
Midday. Cold mornings warm into runnable midday hours — the windows around noon catch the warmest temperatures.
What's the average temperature in Milwaukee in December?+
Average high 37°F, average low 26°F.
How does December compare to surrounding months in Milwaukee?+
Compared to November (avg high 46°F), December is cooler. Compared to January (avg high 30°F), December is warmer.
Does it rain often in Milwaukee in December?+
Expect about 11 measurable rain days in December, on average.