Mountain air

Leavenworth, Washington weather in December

Temperature, rain and sunshine in December: long-term averages from 30 years of weather data, not a forecast.

7

Holiday weather in December

Poor

Best time to visit: May – June, September

What is the weather like in Leavenworth, Washington in December?

In December, Leavenworth, Washington is freezing cold: daytime highs average 2 °C, and nights often drop below freezing (−3 °C). The sun is scarce, with only about 3 hours a day. Precipitation, often as snow, falls on about 15 days, totalling 114 mm. Snow falls on about 13 days. All in all, December is not an ideal month for a holiday in Leavenworth, Washington.

December compared

How the weather changes from November to January. Tap a month to open it.

NovemberNovDecemberDecJanuaryJan
Score1477
Day7°2°2°
Night0°−3°−3°
Sun3 h3 h3 h
Rain days131515

More details for December

Daylight
8 h 28 min07:44 – 16:12
UV index
1 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
8 km/haverage daily peakAll months
Cloud cover
79 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
13 days1 cm or more of fresh snowAll months
Time zone
UTC−8America/Los_Angeles

How the score comes together

  • Temperatureweight 50 %0 %
  • Sunshineweight 20 %0 %
  • Few rainy daysweight 30 %22 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.

What to pack in December

  • Warm jacket
  • Hat, scarf & gloves
  • Rain jacket or umbrella

Leavenworth, Washington in December: quick answers

Is Leavenworth, Washington hot in December?

No. In December, Leavenworth, Washington is freezing cold: daytime highs average 2 °C and nights drop to about −3 °C.

Does it rain much in Leavenworth, Washington in December?

It rains often – on about 15 days, adding up to 114 mm.

Leavenworth, Washington month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences