Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
A mild shift in the average high-temperature occurs in December, reducing from a cool 54°F (12.2°C) in November to a frosty 45.5°F (7.5°C). Newport's average low-temperature during December nights is observed to be an icy 35.4°F (1.9°C).Humidity
In Newport, the average relative humidity in December is 77%.Rainfall
In Newport, during December, the rain falls for 9.2 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Newport, during the entire year, the rain falls for 132.2 days and collects up to 15.39" (391mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Newport, during December, snow falls for 2.2 days and regularly aggregates up to 0.43" (11mm) of snow. Throughout the year, in Newport, there are 13 snowfall days, and 3.58" (91mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:48 pm EST.
Sunshine
The average sunshine in December is 5.2h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Experience reduced UV exposure by about half when donning a wide-brim hat. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Newport have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Newport have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Newport, DE
- Average high temperature in December: 45.5°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in December
Newport, DE
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Newport, DE
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Newport, DE
- Average humidity in December: 77%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Newport, DE
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is August (1.81").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in December
Newport, DE
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in December
Newport, DE
- Average snowfall in December: 0.43"
The month with the highest snowfall is January (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Newport, DE
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is January (4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Newport, DE
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Newport, DE
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in December
Newport, DE
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Newport, DE
- Average cloud cover in December: 45
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Newport, DE
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Newport, Delaware, USA
Weather forecast for your location
2. Allow the app to use your location