Pack or skip
Packable down jacket for San Jose in February
Verdict
Pack it
Lows around 44°F — the packable puffer covers 90% of layering needs.
Why
San Jose in February averages highs of 62°F, lows of 44°F, 8 rainy days.
That climate means a packable down jacket earns its space in the bag. Lows around 44°F — the packable puffer covers 90% of layering needs.