Warsaw · December
Run in the midday.
Cold: average high 39°F, low 31°F. Layering becomes the workout. Humidity averages 87% — the limiting factor on most runs. Expect 17 rain days — plan around the radar. Cold mornings warm into runnable midday hours — the windows around noon catch the warmest temperatures.
Avg high / low
39° / 31°F
Humidity
87%
Rain days
17/mo
Wind
13 mph
What December feels like in Warsaw
Sunrise
08:38
Mid-month average
Sunset
16:25
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 Warsaw in December
The kit for December in Warsaw: cold-weather layers, gloves, and ear coverage on most mornings, a water-resistant cap or jacket on standby.
December vs the surrounding months
vs November
-7° avg high
+3 rain days
Warsaw in November →
December
39°F avg high
17 rain days
Best: midday
vs January
+4° avg high
0 rain days
Warsaw in January →
Frequently Asked Questions
What is the best time of day to run in Warsaw in December?+
Midday. Cold mornings warm into runnable midday hours — the windows around noon catch the warmest temperatures.
What's the average temperature in Warsaw in December?+
Average high 39°F, average low 31°F.
How does December compare to surrounding months in Warsaw?+
Compared to November (avg high 45°F), December is cooler. Compared to January (avg high 35°F), December is warmer.
Does it rain often in Warsaw in December?+
Expect about 17 measurable rain days in December, on average.