When to go · Seattle
Seattle in December
Avoid month. Listed as a month to avoid: Nov–Feb (grey, wet, short daylight).
Key facts
- Verdict
- Avoid
- Temperature
- 47°C117°F / 37°C99°F
- average high / low
- Rain days
- 19
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
AvoidBest and avoid months for Seattle
Listed as a month to avoid: Nov–Feb (grey, wet, short daylight).
Weather in December
- SeattleHighs around 47 °C, lows around 37 °C, rain on about 19 daysHighs around 117 °F, lows around 99 °F, rain on about 19 days
- Pacific Northwest, United States · Seattle, Portland, Olympic, Mount Rainierrainy
Grey and damp October–May; July–September is dry and clear, with wildfire smoke in some years.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Christmas Day big impact
25 Dec · United States
Most businesses closed; flights full from about 20 Dec to 2 Jan.
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.
High-price month: see what to book ahead.
What to pack
- Light, breathable clothes, a sun hat and sunscreen
- A rain jacket or umbrella and shoes that dry fast