Pack or skip
Packable down jacket for Sacramento in January
Verdict
Pack it
Lows around 39°F — the packable puffer covers 90% of layering needs.
Why
Sacramento in January averages highs of 53°F, lows of 39°F, 9 rainy days.
That climate means a packable down jacket earns its space in the bag. Lows around 39°F — the packable puffer covers 90% of layering needs.