United StatesThe weather in December in Washington
It's cool in December in Washington with an average temperature of 11°C. Temperatures this month range from a low of 8°C to a high of 14°C. At night, you can expect temperatures between -2°C and 3°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 Washington, Utah. 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 21°C in 2017, Washington reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 1°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of -12°C to a highest value of 10°C.
Precipitation and snowfall
In December, there is an average of 5,1 mm of precipitation, spread over 2 days. Of the total precipitation, about 0,7 cm falls as snow in December. The wind speed is around 3 Bft, mostly coming from the South.
Daily weather in December for Washington
Click on any day in December to get detailed info about the usual weather on that day in Washington. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Washington | New York | |
|---|---|---|
| Average temperature | 11°C | 9°C |
| Max. temperature | 14°C | 12°C |
| Min. temperature | -2°C | -5°C |
| Total precipitation | 5,1 mm | 133 mm |
| Rainy days | 2 days | 17 days |
| Total snowfall | 0,7 cm | 9,7 cm |
| Snowy days | 1 day | 3 days |
Start of December
The month of December starts in Washington with cool temps, averaging around 14°C during the day and nights around 2°C.
Mid December
By mid-December, daytime temps drop to around 11°C, with nights around 1°C. No precipitation expected during this period, so you can enjoy plenty of sunshine.
End of December
By the end of December, the average daytime temperature in Washington is around 10°C, while nighttime temps are about 1°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
Find affordable trips to Washington
UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Washington for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in December in Washington, Utah. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Washington
Temperature in December in Washington over the years
Precipitation charts
These charts show the average amount of precipitation in December in Washington, Utah. 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 Washington
Total precipitation in December in Washington over the years
Daily Snowfall in December in Washington
Snowfall in December in Washington per year
Daily UV index in December in Washington
This chart shows the average daily UV index in December in Washington, 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 Washington
Have you been to Washington in December?
Share your weather experience in December in Washington.
Average weather in Washington by month
Click on a month below to see detailed weather info for Washington. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.