Sydney · January
Run in the morning.
Comfortable average high of 80°F, dipping to 67°F at night. Humidity averages 76% — the limiting factor on most runs. Expect 16 rain days — plan around the radar. Humidity rises with the sun — morning runs catch the driest, coolest window.
Avg high / low
80° / 67°F
Humidity
76%
Rain days
16/mo
Wind
13 mph
What January feels like in Sydney
Sunrise
05:00
Mid-month average
Sunset
19:07
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 Sydney in January
The kit for January in Sydney: shorts and a short-sleeve are the standard kit, a water-resistant cap or jacket on standby.
January vs the surrounding months
vs December
+2° avg high
0 rain days
Sydney in December →
January
80°F avg high
16 rain days
Best: morning
vs February
+1° avg high
-2 rain days
Sydney in February →
Frequently Asked Questions
What is the best time of day to run in Sydney in January?+
Morning. Humidity rises with the sun — morning runs catch the driest, coolest window.
What's the average temperature in Sydney in January?+
Average high 80°F, average low 67°F.
How does January compare to surrounding months in Sydney?+
Compared to December (avg high 78°F), January is warmer. Compared to February (avg high 78°F), January is warmer.
Does it rain often in Sydney in January?+
Expect about 16 measurable rain days in January, on average.