Wellington · December
Run in the morning.
Cool month: average high 64°F, low 57°F. Humidity averages 80% — the limiting factor on most runs. Expect 16 rain days — plan around the radar. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
64° / 57°F
Humidity
80%
Rain days
16/mo
Wind
20 mph
What December feels like in Wellington
Sunrise
04:43
Mid-month average
Sunset
19:49
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
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in Wellington in December
The kit for December in Wellington: shorts and a short-sleeve are the standard kit, a wind-blocking layer for exposed routes, a water-resistant cap or jacket on standby.
December vs the surrounding months
vs November
+3° avg high
0 rain days
Wellington in November →
December
64°F avg high
16 rain days
Best: morning
vs January
-3° avg high
+5 rain days
Wellington in January →
Frequently Asked Questions
What is the best time of day to run in Wellington in December?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Wellington in December?+
Average high 64°F, average low 57°F.
How does December compare to surrounding months in Wellington?+
Compared to November (avg high 61°F), December is warmer. Compared to January (avg high 67°F), December is cooler.
Does it rain often in Wellington in December?+
Expect about 16 measurable rain days in December, on average.