December weather forecast
Fredericksburg, TX

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Weather in December

December weather confirms the arrival of winter's first full month in Fredericksburg. The city witnesses a drastic reduction in sunlight hours, colder winds, increased cloud coverage, and the city's second snowfall occurrence of the year. However, despite the season's association with survival challenges, December adds a festive tone and a peculiar charm to Fredericksburg. This month presents a chilly ambiance, with temperature range varying from 42.4°F (5.8°C) to 59.5°F (15.3°C), offering the perfect backdrop for holiday celebrations.

Temperature

A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a refreshing 66.7°F (19.3°C) to a moderate 59.5°F (15.3°C). During December, Fredericksburg sees a mean low-temperature of 42.4°F (5.8°C).

Humidity

In December, the average relative humidity in Fredericksburg is 67%.

Rainfall

In Fredericksburg, Texas, during December, the rain falls for 8.4 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Fredericksburg, during the entire year, the rain falls for 129.3 days and collects up to 15.87" (403mm) of precipitation.

Snowfall

Months with snowfall in Fredericksburg are January through March, November and December. In Fredericksburg, in December, snow falls for 0.2 days, with typically accumulated 0.04" (1mm) of snow. In Fredericksburg, Texas, during the entire year, snow falls for 1.7 days and aggregates up to 0.47" (12mm) of snow.

Daylight

December has the shortest days of the year, with an average of 10h and 12min of daylight.
On the first day of the month, sunrise is at 7:14 am and sunset at 5:34 pm. On the last day of December, sunrise is at 7:31 am and sunset at 5:45 pm CST.

Sunshine

The months with the least sunshine in Fredericksburg are November and December, with an average of 5.8h of sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 3 during December translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature in Fredericksburg?

In Fredericksburg, in December, the average high-temperature is 59.5°F (15.3°C), and the average low-temperature is 42.4°F (5.8°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in September is computed to be 95°F (35°C).

What is the average humidity in December in Fredericksburg?

The average relative humidity in December is 67%.

How many days does it rain in December in Fredericksburg?

In Fredericksburg, Texas, in December, during 8.4 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

How many days does it snow in December in Fredericksburg?

In Fredericksburg, Texas, in December, snow falls for 0.2 days, with typically accumulated 0.04" (1mm) of snow.

What is the month with the shortest days in Fredericksburg?

December has the shortest days of the year in Fredericksburg, Texas, with an average of 10h and 12min of daylight.

What is the average length of the day in December in Fredericksburg?

In December, the average day length in Fredericksburg, Texas, is 10h and 14min.

What time are sunrise and sunset in December in Fredericksburg?

On the first day of December, sunrise is at 7:14 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:45 pm CST.

What is the month with the least sunshine in Fredericksburg?

The months with the least sunshine in Fredericksburg are November and December, with an average of 5.8h of sunshine.

How many hours of sunshine does Fredericksburg have in December?

In Fredericksburg, Texas, the average sunshine duration in December is 5.8h.

What is the month with the lowest UV index in Fredericksburg?

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

How high is the UV index in December in Fredericksburg?

The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Fredericksburg, TX

Average temperature in December - Fredericksburg, TX
  • Average high temperature in December: 59.5°F

The warmest month (with the highest average high temperature) is August (93.6°F).
The month with the lowest average high temperature is January (58.8°F).

  • Average low temperature in December: 42.4°F

The month with the highest average low temperature is August (72.3°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).

Average pressure in December
Fredericksburg, TX

Average pressure in December - Fredericksburg, TX
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in December
Fredericksburg, TX

Average wind speed in December - Fredericksburg, TX
  • Average wind speed in December: 8.9mph

The windiest months (with the highest average wind speed) are March and April (10.9mph).
The calmest month (with the lowest average wind speed) is September (7.3mph).

Average humidity in December
Fredericksburg, TX

Average humidity in December - Fredericksburg, TX
  • Average humidity in December: 67%

The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (59%).

Average rainfall in December
Fredericksburg, TX

Average rainfall in December - Fredericksburg, TX
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is February (0.63").

Average rainfall days in December
Fredericksburg, TX

Average rainfall days in December - Fredericksburg, TX
  • Average rainfall days in December: 8.4 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (7.1 days).

Average snowfall in December
Fredericksburg, TX

Average snowfall in December - Fredericksburg, TX
  • Average snowfall in December: 0.04"

The month with the highest snowfall is January (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Fredericksburg, TX

Average snowfall days in December - Fredericksburg, TX
  • Average snowfall days in December: 0.2 days

The months with the highest number of snowfall days are January and February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

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

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are November and December (Average sunshine: 5h and 48min).

Average sunshine days in December
Fredericksburg, TX

Average sunshine days in December - Fredericksburg, TX
  • Average sunshine days in December: 20.2 days

The month with the most sunshine days is January (21.6 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in December
Fredericksburg, TX

Average UV index in December - Fredericksburg, 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).

Average cloud cover in December
Fredericksburg, TX

Average cloud cover in December - Fredericksburg, TX
  • Average cloud cover in December: 34

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

Average visibility in December
Fredericksburg, TX

Average visibility in December - Fredericksburg, 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).

Fredericksburg, Texas, USA

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