Ellensburg Weather in December

December in Ellensburg brings low temperatures, with daytime highs of 2°C (36°F) and nights around -6°C (21°F). It's also the wettest month of the year, so an umbrella is a must.

Rainfall in Ellensburg in December

This month is known for heavy rainfall, so don't forget your umbrella to stay dry. Based on our climate data of the past 30 years, about 11 days of snow/rain are anticipated, with 39 mm (1.5 in) on average. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Ellensburg in December

Ellensburg in December gets highs of 2°C (36°F) during the day and drops to -6°C (21°F) at night. December is a notable month of the winter season. It stays very cold throughout much of the day, so warm winter clothing is essential. With overnight lows of -6°C (21°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. With temperatures often at their lowest, it is the coldest month of the year. Ideal for indoor activities, be sure to pack warm clothing.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Ellensburg. Our weather planner can help you explore destinations with more pleasant weather conditions.