December weather forecast
Waco, TX

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The high Waco Suspension Bridge crossing on the large Brazos River in the Indian Spring Park in Waco, Texas
The high Waco Suspension Bridge crossing on the large Brazos River in the Indian Spring Park in Waco, Texas

Weather in December

Waco, Texas, concludes the year with a tranquil winter. December days are much shorter, addressing the entry of winter. The city sees a decrease in temperature, and experiences the shortest daylight hours of the year at 10.1. A typical December day in Waco sees a mix of cold temperatures and plentiful sunshine making it a festive month to wrap up the year.

Temperature

December in Waco, Texas, implies a soft temperature shift, with average high-temperatures reducing from November's comfortable 65.8°F (18.8°C) to a mild 57.7°F (14.3°C). December witnesses an average low-temperature hovering around a frosty 42.8°F (6°C).

Humidity

The average relative humidity in December in Waco is 71%.

Rainfall

In Waco, during December, the rain falls for 9.7 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Waco, during the entire year, the rain falls for 133.5 days and collects up to 26.65" (677mm) of precipitation.

Snowfall

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

Daylight

The month with the shortest days is December, with an average of 10h and 6min of daylight.
On the first day of December, sunrise is at 7:10 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:35 pm CST.

Sunshine

With an average of 5.3h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index in Waco are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The UV index of 3 in December translates into these instructions:
Take precautions - Protection against sun damage is advised. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the average December temperature in Waco?

In Waco, in December, the average high-temperature is 57.7°F (14.3°C), and the average low-temperature is 42.8°F (6°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is computed to be 98.6°F (37°C).

What is the average humidity in December in Waco?

The average relative humidity in December in Waco is 71%.

How much does it rain in Waco in December?

In December, the rain falls for 9.7 days. Throughout December, 1.81" (46mm) of precipitation is accumulated.

When it does not snow in Waco?

March through December are months without snowfall.

Does it snow in Waco in December?

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

What is the month with the shortest days in Waco?

The month with the shortest days in Waco is December, with an average of 10h and 6min of daylight.

How many hours of daylight does Waco have in December?

In Waco, the average day length in December is 10h and 8min.

When is the sunrise / sunset in December in Waco?

In December, on the first day of the month, sunrise is at 7:10 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:35 pm CST.

What is the month with the least sunshine in Waco?

The month with the least sunshine in Waco, Texas, is December, with an average of 5.3h of sunshine.

How long on average sun shines in December in Waco?

The average sunshine duration in December in Waco is 5.3h.

What are the months with the lowest UV index in Waco?

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Waco, Texas.

What is the UV index intensity in December in Waco?

The average daily maximum UV index in December in Waco is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Waco, TX

Average temperature in December - Waco, TX
  • Average high temperature in December: 57.7°F

The warmest month (with the highest average high temperature) is August (96.4°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in December: 42.8°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 (40.5°F).

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Average pressure in December
Waco, TX

Average pressure in December - Waco, 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 (29.92"Hg).

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Average wind speed in December
Waco, TX

Average wind speed in December - Waco, TX
  • Average wind speed in December: 9.1mph

The windiest month (with the highest average wind speed) is March (10.5mph).
The calmest month (with the lowest average wind speed) is September (6.9mph).

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Average humidity in December
Waco, TX

Average humidity in December - Waco, TX
  • Average humidity in December: 71%

The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (57%).

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Average rainfall in December
Waco, TX

Average rainfall in December - Waco, TX
  • Average rainfall in December: 1.81"

The wettest month (with the highest rainfall) is October (3.82").
The driest month (with the least rainfall) is November (1.42").

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Average rainfall days in December
Waco, TX

Average rainfall days in December - Waco, TX
  • Average rainfall days in December: 9.7 days

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (6.8 days).

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Average snowfall in December
Waco, TX

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

The month with the highest snowfall is February (0.39").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in December
Waco, TX

Average snowfall days in December - Waco, 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).

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

Average daylight in December / Average sunshine in December - Waco, TX
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in December
Waco, TX

Average sunshine days in December - Waco, TX
  • Average sunshine days in December: 19.1 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).

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Average UV index in December
Waco, TX

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

The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in December
Waco, TX

Average cloud cover in December - Waco, TX
  • Average cloud cover in December: 40

The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in December
Waco, TX

Average visibility in December - Waco, 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).

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Waco, Texas, USA

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