Average weather for Ellensburg in December

It's cold in December in Ellensburg with an average temperature of 3°C. Temperatures this month range from a low of -1°C to a high of 5°C. At night, you can expect temperatures between -9°C and -1°C.

Daily Temperature in December in Ellensburg

Start of December

The month of December starts in Ellensburg with really cold temps, averaging around 4°C during the day and nights dipping to about -2°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry. Wear a heavy winter coat, sweater, long pants, beanie, and gloves.

Mid December

By mid-December, daytime temps stay steady at around 4°C, with nights around -2°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too. Wear a heavy winter coat, sweater, long pants, beanie, and gloves.

End of December

By the end of December, the average daytime temperature in Ellensburg is around 1°C, while nighttime temps are about -5°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun. Wear a heavy winter coat, sweater, long pants, beanie, and gloves.

In December, there is an average of 34 mm of precipitation, spread over 8 days. Of the total precipitation, about 21 cm falls as snow in December. The wind speed is around 3 Bft, mostly coming from the South.

Ellensburg in December		New York
Average temperature	3°C	9°C
Max. temperature	5°C	12°C
Min. temperature	-1°C	-5°C
Total precipitation	34 mm	133 mm
Rainy days	8 days	17 days
Total snowfall	21 cm	9,7 cm
Snowy days	10 days	3 days

November

January

UV index

The UV index is a maximum of 3 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Temperature records

With 20°C in 2021, Ellensburg reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -14°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -23°C to a highest value of 7°C.

Check out the climate of Ellensburg for all months and discover the best travel time

November

January

Daily Temperature in December in Ellensburg

This chart shows the average daily high and low temperatures in December for Ellensburg, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Precipitation in December in Ellensburg

The chart below shows the average daily precipitation in December for Ellensburg, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 8 days of precipitation in Ellensburg.

Daily Precipitation in December in Ellensburg

Daily Snowfall in December in Ellensburg

This chart shows the average daily snowfall in December in Ellensburg, measured in centimeters. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in December.

Daily UV index in December in Ellensburg

This chart shows the average daily UV index in December in Ellensburg, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Temperature in December in Ellensburg over the years

This chart shows the average temperature in December in Ellensburg, measured in degrees Celsius, over the past few years.

Total precipitation in December in Ellensburg over the years

This chart shows the average precipitation in December in Ellensburg, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Snowfall in December in Ellensburg per year

This chart shows the average snowfall in December in Ellensburg, measured in centimeters, over the past few years.

Snowfall in December in Ellensburg over the past years

November

January

Daily weather in December for Ellensburg

Click on any day in December to get detailed info about the usual weather on that day in Ellensburg. Check out the historical temperatures and precipitation over the past 10 years on this day.

Average weather in Ellensburg by month

Click on a month below to see detailed weather info for Ellensburg. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.