What to Wear in San Diego in January
Mild, occasional rain. Expect 9°–19°C with 6 rainy days on average.
☀️
High
19°C
🌙
Low
9°C
🌧️
Rain days
6
🌡️
Feel
Pleasantly Cool
Typical outfit
~14°C average
About January in San Diego
January in San Diego typically brings mild, occasional rain. With averages of 9°–19°C, the conditions call for fresh and crisp weather — the perfect excuse for cozy knits and stylish layering.
Think in layers: a thermal base, a knit mid-layer, and a windproof outer. You can strip back as the day warms.
January in other cities