December weather forecast
Talleyville, DE

Share

Weather in December

The first month of the winter, December, is also a frosty month in Talleyville, Delaware, with an average temperature ranging between max 43.7°F (6.5°C) and min 32.7°F (0.4°C).

Temperature

Transition into December subtly marks a drop in the average high-temperature, moderately moving from a fresh 52.2°F (11.2°C) in November to a chilly 43.7°F (6.5°C). An average low-temperature of 32.7°F (0.4°C) is observed during December nights.

Humidity

In December, the average relative humidity is 77%.

Rainfall

In Talleyville, in December, during 11.5 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. Throughout the year, there are 168.9 rainfall days, and 35.55" (903mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Talleyville, during December, snow falls for 3.2 days and regularly aggregates up to 1.54" (39mm) of snow. Throughout the year, there are 21.9 snowfall days, and 12.05" (306mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
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 4:47 pm EST.

Sunshine

In December, the average sunshine is 5h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. To protect against the Sun's most potent rays, avoid direct exposure around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

During December, Talleyville experiences an average high-temperature of 43.7°F (6.5°C) and a low-temperature of 32.7°F (0.4°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in August is estimated at 89.6°F (32°C).

What is the average humidity in December?

The average relative humidity in December is 77%.

How many days does it rain in December?

In Talleyville, in December, it is raining for 11.5 days, with typically 3.31" (84mm) of accumulated precipitation.

How much does it snow in December?

In Talleyville, in December, during 3.2 snowfall days, 1.54" (39mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

What is the average length of the day in December?

The average day length in December in Talleyville is 9h and 25min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:47 pm EST.

How many hours of sunshine does Talleyville have in December?

The average sunshine duration in December is 5h.

What are the months with the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December?

In Talleyville, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Talleyville, DE

Average temperature in December - Talleyville, DE
  • Average high temperature in December: 43.7°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in December: 32.7°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

Average pressure in December
Talleyville, DE

Average pressure in December - Talleyville, DE
  • Average pressure in December: 30.1"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
Talleyville, DE

Average wind speed in December - Talleyville, DE
  • Average wind speed in December: 8mph

The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in December
Talleyville, DE

Average humidity in December - Talleyville, DE
  • Average humidity in December: 77%

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall in December
Talleyville, DE

Average rainfall in December - Talleyville, DE
  • Average rainfall in December: 3.31"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (2.36").

Average rainfall days in December
Talleyville, DE

Average rainfall days in December - Talleyville, DE
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in December
Talleyville, DE

Average snowfall in December - Talleyville, DE
  • Average snowfall in December: 1.54"

The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Talleyville, DE

Average snowfall days in December - Talleyville, DE
  • Average snowfall days in December: 3.2 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Talleyville, DE

Average daylight in December / Average sunshine in December - Talleyville, 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 0min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in December
Talleyville, DE

Average sunshine days in December - Talleyville, DE
  • Average sunshine days in December: 15.9 days

The month with the most sunshine days is November (18.6 days).
The months with the least sunshine days are May and July (9.8 days).

Average UV index in December
Talleyville, DE

Average UV index in December - Talleyville, 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, November and December (UV index 2).

Average cloud cover in December
Talleyville, DE

Average cloud cover in December - Talleyville, DE
  • Average cloud cover in December: 46

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Talleyville, DE

Average visibility in December - Talleyville, 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).

Talleyville, Delaware, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location