The weather in December in Kennewick

It's cold in December in Kennewick with an average temperature of 5°C. Temperatures this month range from a low of 3°C to a high of 10°C. At night, you can expect temperatures between -4°C and 1°C.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Kennewick, Washington. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 22°C in 2021, Kennewick reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -12°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -22°C to a highest value of 16°C.

Precipitation and snowfall

In December, there is an average of 43 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 Southwest.

Daily weather in December for Kennewick

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

December weather comparison

  Kennewick New York
Average temperature 5°C 9°C
Max. temperature 10°C 12°C
Min. temperature -4°C -5°C
Total precipitation 43 mm 133 mm
Rainy days 8 days 17 days
Total snowfall 21 cm 9,7 cm
Snowy days 10 days 3 days

Start of December

The month of December starts in Kennewick with cold temps, averaging around 5°C during the day and nights around -1°C.

Mid December

By mid-December, daytime temps rise to around 6°C, with nights around 0°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of December

By the end of December, the average daytime temperature in Kennewick is around 5°C, while nighttime temps are about -2°C. A shower might pop up, but overall, the weather will be dry and sunny.

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UV index

The UV index is a maximum of 2 this month. That's a low value on the intensity scale of 1 to 11. The risk of sunburn is minimal at this time.

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

Temperature charts

These charts show the average temperatures in December in Kennewick, Washington. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in December in Kennewick

Temperature in December in Kennewick over the years

Precipitation charts

These charts show the average amount of precipitation in December in Kennewick, Washington. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in December in Kennewick

Total precipitation in December in Kennewick over the years

Daily Snowfall in December in Kennewick

Snowfall in December in Kennewick per year

Daily UV index in December in Kennewick

This chart shows the average daily UV index in December in Kennewick, 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.

Weather experiences in December in Kennewick

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Average weather in Kennewick by month

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