December weather forecast
Nacogdoches, TX

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Weather in December

December, the first month of the winter in Nacogdoches, is also a moderate month, with an average temperature varying between 57.9°F (14.4°C) and 42.6°F (5.9°C).

Temperature

December signifies a gentle decline in Nacogdoches's average high-temperature, easing from a refreshing 66.2°F (19°C) in November to a moderate 57.9°F (14.4°C). Nacogdoches, during the nights of December, experiences an average temperature drop to an icy 42.6°F (5.9°C).

Humidity

In Nacogdoches, the average relative humidity in December is 81%.

Rainfall

In Nacogdoches, in December, during 12.6 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. Throughout the year, there are 159.2 rainfall days, and 35.12" (892mm) of precipitation is accumulated.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 1.5 snowfall days, and 0.43" (11mm) of snow is accumulated.

Daylight

With an average of 10h and 6min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:00 am and sunset at 5:14 pm. On the last day of December, sunrise is at 7:18 am and sunset at 5:25 pm CST.

Sunshine

With an average of 4.9h 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 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 2 in December translates into this advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

In December, the average high-temperature and low-temperature are 57.9°F (14.4°C) and 42.6°F (5.9°C) respectively. In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is estimated at 104°F (40°C).

What is the average humidity in December in Nacogdoches?

The average relative humidity in December is 81%.

How much does it rain in December?

In Nacogdoches, during December, the rain falls for 12.6 days and regularly aggregates up to 3.07" (78mm) of precipitation.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 6min of daylight.

What is the average length of the day in December?

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

When is the sunrise / sunset in December?

On the first day of December in Nacogdoches, sunrise is at 7:00 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:25 pm CST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 4.9h of sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 4.9h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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
Nacogdoches, TX

Average temperature in December - Nacogdoches, TX
  • Average high temperature in December: 57.9°F

The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (55.9°F).

  • Average low temperature in December: 42.6°F

The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).

Average pressure in December
Nacogdoches, TX

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

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Nacogdoches, TX

Average wind speed in December - Nacogdoches, TX
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).

Average humidity in December
Nacogdoches, TX

Average humidity in December - Nacogdoches, TX
  • Average humidity in December: 81%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (69%).

Average rainfall in December
Nacogdoches, TX

Average rainfall in December - Nacogdoches, TX
  • Average rainfall in December: 3.07"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is November (2.24").

Average rainfall days in December
Nacogdoches, TX

Average rainfall days in December - Nacogdoches, TX
  • Average rainfall days in December: 12.6 days

The months with the highest number of rainy days are March and June (14.5 days).
The month with the least rainy days is November (11 days).

Average snowfall in December
Nacogdoches, TX

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

The month with the highest snowfall is January (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Nacogdoches, TX

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

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

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

Average daylight in December / Average sunshine in December - Nacogdoches, 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: 4h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in December
Nacogdoches, TX

Average sunshine days in December - Nacogdoches, TX
  • Average sunshine days in December: 16.2 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is February (12.3 days).

Average UV index in December
Nacogdoches, TX

Average UV index in December - Nacogdoches, 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
Nacogdoches, TX

Average cloud cover in December - Nacogdoches, TX
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Nacogdoches, TX

Average visibility in December - Nacogdoches, TX
  • Average visibility in December: 5mi

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

Nacogdoches, Texas, USA

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