December weather forecast
Killeen, TX

Weather in December

December, the first month of the winter in Killeen, is also a moderate month, with an average temperature fluctuating between 43.2°F (6.2°C) and 58.6°F (14.8°C).

Temperature

In Killeen, Texas, the average high-temperature in December slightly decreases from an enjoyable 66.7°F (19.3°C) in November to a mild 58.6°F (14.8°C). In Killeen, the average low-temperature is 43.2°F (6.2°C).

Humidity

In Killeen, the average relative humidity in December is 70%.

Rainfall

In Killeen, it is raining for 9.5 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, there are 130.1 rainfall days, and 23.07" (586mm) of precipitation is accumulated.

Snowfall

March through December are months without snowfall in Killeen, Texas.

Daylight

December has the shortest days of the year, with an average of 10h and 10min of daylight.
On the first day of the month, sunrise is at 7:11 am and sunset at 5:28 pm. On the last day of December, sunrise is at 7:29 am and sunset at 5:38 pm CST.

Sunshine

With an average of 5.4h of sunshine, December has the least sunshine of the year.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 3 in December interpret into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the temperature in December in Killeen?

In Killeen, Texas, in December, the average high-temperature is 58.6°F (14.8°C), and the average low-temperature is 43.2°F (6.2°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is evaluated at 96.8°F (36°C).

What is the average humidity in December in Killeen?

In December, the average relative humidity is 70%.

How many days does it rain in December in Killeen?

In December, in Killeen, Texas, the rain falls for 9.5 days. Throughout December, 1.38" (35mm) of precipitation is accumulated.

When it does not snow in Killeen?

March through December are months without snowfall.

Does it snow in Killeen in December?

In Killeen, Texas, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days in Killeen?

The month with the shortest days in Killeen is December, with an average of 10h and 10min of daylight.

How many hours of daylight does Killeen have in December?

In Killeen, Texas, the average day length in December is 10h and 10min.

When are sunrise and sunset in December in Killeen?

On the first day of December in Killeen, Texas, sunrise is at 7:11 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:38 pm CST.

What is the month with the least sunshine in Killeen?

December has the least sunshine of the year, with an average of 5.4h of sunshine.

How many hours of sunshine does Killeen have in December?

In December, the average sunshine duration is 5.4h.

When is the lowest UV index in Killeen?

The month with the lowest UV index in Killeen is December, with an average maximum UV index of 3.

What is the UV index reading in December in Killeen?

In Killeen, Texas, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Killeen, TX

Average temperature in December - Killeen, TX
  • Average high temperature in December: 58.6°F

The warmest month (with the highest average high temperature) is August (96.3°F).
The month with the lowest average high temperature is January (58.1°F).

  • Average low temperature in December: 43.2°F

The month with the highest average low temperature is August (76.1°F).
The coldest month (with the lowest average low temperature) is January (41.2°F).

[Resources]

Average pressure in December
Killeen, TX

Average pressure in December - Killeen, TX
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

[Resources]

Average wind speed in December
Killeen, TX

Average wind speed in December - Killeen, TX
  • Average wind speed in December: 9.2mph

The windiest month (with the highest average wind speed) is March (10.6mph).
The calmest month (with the lowest average wind speed) is September (7.1mph).

[Resources]

Average humidity in December
Killeen, TX

Average humidity in December - Killeen, TX
  • Average humidity in December: 70%

The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (56%).

[Resources]

Average rainfall in December
Killeen, TX

Average rainfall in December - Killeen, TX
  • Average rainfall in December: 1.38"

The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is November (0.98").

[Resources]

Average rainfall days in December
Killeen, TX

Average rainfall days in December - Killeen, TX
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is September (14.3 days).
The month with the least rainy days is January (6.6 days).

[Resources]

Average snowfall in December
Killeen, TX

Average snowfall in December - Killeen, TX
  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

[Resources]

Average snowfall days in December
Killeen, TX

Average snowfall days in December - Killeen, TX
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Killeen, TX

Average daylight in December / Average sunshine in December - Killeen, TX
  • Average daylight in December: 10h and 10min

The month with the longest days is June (Average daylight: 14h and 8min).
The month with the shortest days is December (Average daylight: 10h and 10min).

  • Average sunshine in December: 5h and 24min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

[Resources]

Average sunshine days in December
Killeen, TX

Average sunshine days in December - Killeen, TX
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is September (13.5 days).

[Resources]

Average UV index in December
Killeen, TX

Average UV index in December - Killeen, TX
  • Average UV index in December: 3

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 3).

[Resources]

Average cloud cover in December
Killeen, TX

Average cloud cover in December - Killeen, TX
  • Average cloud cover in December: 39

The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 21).

[Resources]

Average visibility in December
Killeen, TX

Average visibility in December - Killeen, TX
  • 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location