Pack or skip
Sunglasses for San Jose in January
Verdict
Pack it
Highs around 58°F — plenty of daylight glare.
Why
San Jose in January averages highs of 58°F, lows of 41°F, 8 rainy days.
That climate means sunglasses earns its space in the bag. Highs around 58°F — plenty of daylight glare.