Temperatures in December
It's cool in December in Delaware with an average temperature of 10°C. Temperatures this month range from a low of 5°C to a high of 13°C. At night, you can expect temperatures between -4°C and 5°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Delaware in December. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of December
The month of December starts in Delaware with cold temperatures, averaging around 11°C during the day and nights close to 3°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Mid-December
By mid-December, the average daytime temperature drops to around 9°C, with nights close to 1°C. The chance of precipitation is high during this period.
End of December
By the end of December, the average daytime temperature in Delaware will be around 12°C, with nights close to 2°C. A shower might show up, but overall the weather will be dry and sunny.
Precipitation in December
In December, there is an average of 129 mm of precipitation, spread over 9 days. Of the total precipitation, about 1,0 cm falls as snow in December. The wind speed is around 4 Bft, mostly coming from the Southwest.
The average precipitation chance is 29% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in December for Delaware. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Delaware in December |
UK | ||
|---|---|---|---|
 Average Temperature |
10°C | 9°C | |
 High Temp |
13°C | 11°C | |
| Low Temp |
5°C | 8°C | |
 Total Precipitation |
129 mm | 67 mm | |
| Rainy Days |
9 days | 10 days | |
 Total Snowfall |
1,0 cm | 1,2 cm | |
| Snowy Days |
1 day | 1 day | |
November
UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is December a good time to visit Delaware?
After some sun? Then December isn’t the best time to be in Delaware. There’s too much chance of rain this month.
Temperature records for Delaware in December
With 23°C, Delaware hit the highest temperature in the last 10 years in December 2015. The lowest daytime temperature in this month was -7°C in 2022. The extreme night temperatures ranged from a low of -12°C to a high of 19°C.
Check out the climate of Delaware for all months and discover the best travel time
The climate of Delaware is based on weather data from . Other spots, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in Delaware for a full picture of the climate.
Daily Temperature in December in Delaware
This chart shows the average daily temperatures, both day and night, for each day in December in Delaware, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in December in Delaware
The chart below shows the average daily precipitation in December for Delaware, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for December, you can expect around 9 days of rain in Delaware.
Daily Snowfall in December in Delaware
This chart shows the average daily snowfall in December in Delaware, measured in centimetres. 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 Delaware
This chart shows the average daily UV index in December in Delaware, 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 Delaware Over the Years
This chart shows the average temperature in December in Delaware, measured in degrees Celsius, over the past years.
Total Precipitation in December in Delaware Over the Years
This chart shows the average precipitation in December in Delaware, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in December in Delaware per year
This chart shows the average snowfall in December in Delaware, measured in centimetres, over the past years.
Daily climate in December for Delaware
Click on a specific day in December for detailed info on the typical weather on that day in Delaware. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Delaware
Have you been to Delaware in December?
Share your weather experience in December in Delaware.
Average Weather in Delaware by Month
Click on a month below to see detailed weather info for Delaware. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
