Will I be hot?
Will I be hot in Valencia in December?
Verdict
No — No, comfortable.
Highs cap at 58°F — no heat-management gear needed.
Day vs. night
Day
58°F
Cool
Sweater weather with the option to add a light shell.
Night
46°F
Cool
You'll want a warm layer after sunset — not a heavy coat.
Why
Valencia in December averages highs of 58°F, lows of 46°F, 6 rainy days.
Temperature is comfortable across the day; pack for style and weather resistance, not heat management.