Pack or skip
Umbrella for Seattle in December
Verdict
Pack it
Around 17 rainy days across the month — an umbrella earns its space.
Why
Seattle in December averages highs of 46°F, lows of 37°F, 17 rainy days.
That climate means an umbrella earns its space in the bag. Around 17 rainy days across the month — an umbrella earns its space.