Average weather for the United States in December
It's cool in December in the United States with an average temperature of 11°C. Temperatures this month range from a low of 6°C to a high of 14°C. At night, you can expect temperatures between -4°C and 3°C.
Start of December
The month of December starts in United States with cool temps, averaging around 12°C during the day and nights around 1°C. There’s little chance of precipitation. The weather’s mostly sunny and dry.
Mid December
By mid-December, daytime temps drop to around 11°C, with nights around 1°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of December
By the end of December, the average daytime temperature in United States is around 10°C, while nighttime temps are about -1°C. A shower might pop up, but overall, the weather will be dry and sunny.
In December, there is an average of 50 mm of precipitation, spread over 4 days. Of the total precipitation, about 2,2 cm falls as snow in December. The wind speed is around 4 Bft, mostly coming from the South.
United States in December |
New York | ||
|---|---|---|---|
 Average temperature |
11°C | 9°C | |
 Max. temperature |
14°C | 12°C | |
| Min. temperature |
6°C | -5°C | |
 Total precipitation |
50 mm | 133 mm | |
| Rainy days |
4 days | 17 days | |
 Total snowfall |
2,2 cm | 9,7 cm | |
| Snowy days |
1 day | 3 days | |
November
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.
The hurricane season in Alabama runs from June to November.
The hurricane season in Florida runs from June to November.
The hurricane season in Louisiana runs from June to November.
The hurricane season in Mississippi runs from June to November.
The hurricane season in Texas runs from June to November.
Temperature records
With 26°C in 2021, the United States reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -11°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -20°C to a highest value of 13°C.
Check out the climate of the United States for all months and discover the best travel time
The climate in the United States is based on weather data from . Other places, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in the United States to get the full picture of the climate.
Daily Temperature in December in the United States
This chart shows the average daily high and low temperatures in December for the United States, 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 the United States
The chart below shows the average daily precipitation in December for the United States, 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 4 days of precipitation in the United States.
Daily Snowfall in December in the United States
This chart shows the average daily snowfall in December in the United States, 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 the United States
This chart shows the average daily UV index in December in the United States, 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 the United States over the years
This chart shows the average temperature in December in the United States, measured in degrees Celsius, over the past few years.
Total precipitation in December in the United States over the years
This chart shows the average precipitation in December in the United States, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Snowfall in December in the United States per year
This chart shows the average snowfall in December in the United States, measured in centimeters, over the past few years.
Daily weather in December for the United States
Click on any day in December to get detailed info about the usual weather on that day in the United States. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in the United States
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Average weather in the United States by month
Click on a month below to see detailed weather info for the United States. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of the United States for all months at once
States of the USA
