December weather forecast
De Kalb, TX

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Weather in December

December, the first month of the winter in De Kalb, is also a fresh month, with temperature in the range of an average high of 54.3°F (12.4°C) and an average low of 39.4°F (4.1°C).

Temperature

December implies a soft temperature shift, with average high-temperatures reducing from November's comfortable 63.1°F (17.3°C) to a cool 54.3°F (12.4°C). In December, the nighttime temperature lowers to an average of 39.4°F (4.1°C).

Humidity

In De Kalb, the average relative humidity in December is 79%.

Rainfall

In December, the rain falls for 11.4 days. Throughout December, 3.86" (98mm) of precipitation is accumulated. In De Kalb, during the entire year, the rain falls for 153.9 days and collects up to 39.69" (1008mm) of precipitation.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.31" (8mm) of snow. Throughout the year, there are 3.7 snowfall days, and 1.57" (40mm) of snow is accumulated.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:05 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:21 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 5h of sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 2 in December translates into this advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Boost your sun resistance with garments that are densely woven yet spacious. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

An average high-temperature, in December, in De Kalb, is 54.3°F (12.4°C) and the average low-temperature is 39.4°F (4.1°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 100.4°F (38°C).

What is the average humidity in December?

In De Kalb, the average relative humidity in December is 79%.

How many days does it rain in December?

In De Kalb, in December, it is raining for 11.4 days, with typically 3.86" (98mm) of accumulated precipitation.

When does it start to snow?

December is the first month it typically snows in De Kalb. Throughout December, in the average 0.5 snowfall days, it receives 0.31" (8mm) of snow.

What is the month with the shortest days?

With an average of 10h and 0min of daylight, December has the shortest days of the year.

How many hours of daylight does De Kalb have in December?

The average day length in December is 9h and 59min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:05 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:21 pm CST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 5h of sunshine.

How many hours of sunshine does De Kalb have in December?

In December, the average sunshine duration is 5h.

What is the month with the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 2.

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to Sun's UV rays.
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
De Kalb, TX

Average temperature in December - De Kalb, TX
  • Average high temperature in December: 54.3°F

The warmest month (with the highest average high temperature) is August (94.3°F).
The month with the lowest average high temperature is January (52.3°F).

  • Average low temperature in December: 39.4°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).

Average pressure in December
De Kalb, TX

Average pressure in December - De Kalb, TX
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
De Kalb, TX

Average wind speed in December - De Kalb, TX
  • Average wind speed in December: 6.3mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
De Kalb, TX

Average humidity in December - De Kalb, TX
  • Average humidity in December: 79%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (67%).

Average rainfall in December
De Kalb, TX

Average rainfall in December - De Kalb, TX
  • Average rainfall in December: 3.86"

The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is September (2.36").

Average rainfall days in December
De Kalb, TX

Average rainfall days in December - De Kalb, TX
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is March (15.2 days).
The month with the least rainy days is January (10.3 days).

Average snowfall in December
De Kalb, TX

Average snowfall in December - De Kalb, TX
  • Average snowfall in December: 0.31"

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
De Kalb, TX

Average snowfall days in December - De Kalb, TX
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).

Average daylight in December /
Average sunshine in December
De Kalb, TX

Average daylight in December / Average sunshine in December - De Kalb, TX
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
De Kalb, TX

Average sunshine days in December - De Kalb, TX
  • Average sunshine days in December: 17.2 days

The month with the most sunshine days is January (18.5 days).
The month with the least sunshine days is February (13.3 days).

Average UV index in December
De Kalb, TX

Average UV index in December - De Kalb, TX
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December
De Kalb, TX

Average cloud cover in December - De Kalb, TX
  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in December
De Kalb, TX

Average visibility in December - De Kalb, TX
  • Average visibility in December: 6mi

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).

De Kalb, Texas, USA

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