Jacksonville · January
Run in the morning.
Cool month: average high 64°F, low 48°F. Humidity averages 76% — the limiting factor on most runs. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
64° / 48°F
Humidity
76%
Rain days
10/mo
Wind
11 mph
What January feels like in Jacksonville
Sunrise
08:22
Mid-month average
Sunset
18:49
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 Jacksonville in January
The kit for January in Jacksonville: a long-sleeve or light jacket for the first mile.
January vs the surrounding months
vs December
-4° avg high
-1 rain days
Jacksonville in December →
January
64°F avg high
10 rain days
Best: morning
vs February
-6° avg high
-1 rain days
Jacksonville in February →
Frequently Asked Questions
What is the best time of day to run in Jacksonville in January?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Jacksonville in January?+
Average high 64°F, average low 48°F.
How does January compare to surrounding months in Jacksonville?+
Compared to December (avg high 68°F), January is cooler. Compared to February (avg high 69°F), January is cooler.
Does it rain often in Jacksonville in January?+
Expect about 10 measurable rain days in January, on average.