December weather forecast
Marlin, TX

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Weather in December

December, the first month of the winter in Marlin, is still a mild month, with an average temperature fluctuating between 42.8°F (6°C) and 58.1°F (14.5°C).

Temperature

The average high-temperature shows a slight dip in December, from November's refreshing 66.2°F (19°C) to a moderate 58.1°F (14.5°C). December nights cool down to an average low-temperature of 42.8°F (6°C).

Humidity

In December, the average relative humidity is 73%.

Rainfall

In December, the rain falls for 6.6 days. Throughout December, 0.91" (23mm) of precipitation is accumulated. Throughout the year, in Marlin, there are 113.1 rainfall days, and 14.17" (360mm) of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall.

Daylight

With an average of 10h and 12min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:09 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:35 pm CST.

Sunshine

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

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Marlin in December?

In December, the average high-temperature and low-temperature in Marlin are 58.1°F (14.5°C) and 42.8°F (6°C) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in September is estimated at 100.4°F (38°C).

What is the average humidity in December?

In Marlin, the average relative humidity in December is 73%.

How many days does it rain in December in Marlin?

In Marlin, in December, it is raining for 6.6 days, with typically 0.91" (23mm) of accumulated precipitation.

When it does not snow?

In Marlin, snow does not fall in January, March through December.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 10h and 12min of daylight.

What is the average length of the day in December?

The average day length in December in Marlin is 10h and 9min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:09 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:35 pm CST.

What is the month with the least sunshine?

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

How long on average sun shines in December in Marlin?

The average sunshine duration in December is 5.3h.

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

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

What is the UV index reading in December?

In Marlin, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate 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
Marlin, TX

Average temperature in December - Marlin, TX
  • Average high temperature in December: 58.1°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 (57°F).

  • Average low temperature in December: 42.8°F

The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (40.8°F).

Average pressure in December
Marlin, TX

Average pressure in December - Marlin, 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).

Average wind speed in December
Marlin, TX

Average wind speed in December - Marlin, TX
  • Average wind speed in December: 8.8mph

The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).

Average humidity in December
Marlin, TX

Average humidity in December - Marlin, TX
  • Average humidity in December: 73%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (59%).

Average rainfall in December
Marlin, TX

Average rainfall in December - Marlin, TX
  • Average rainfall in December: 0.91"

The wettest month (with the highest rainfall) is October (2.09").
The driest month (with the least rainfall) is February (0.71").

Average rainfall days in December
Marlin, TX

Average rainfall days in December - Marlin, TX
  • Average rainfall days in December: 6.6 days

The month with the highest number of rainy days is May (12.9 days).
The month with the least rainy days is January (5.8 days).

Average snowfall in December
Marlin, TX

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

The month with the highest snowfall is February (0.08").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December
Marlin, TX

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

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

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

Average daylight in December / Average sunshine in December - Marlin, 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 12min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in December
Marlin, TX

Average sunshine days in December - Marlin, TX
  • Average sunshine days in December: 21.8 days

The month with the most sunshine days is January (24 days).
The month with the least sunshine days is May (14.8 days).

Average UV index in December
Marlin, TX

Average UV index in December - Marlin, 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).

Average cloud cover in December
Marlin, TX

Average cloud cover in December - Marlin, TX
  • Average cloud cover in December: 42

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in December
Marlin, TX

Average visibility in December - Marlin, 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).

Marlin, Texas, USA

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