December weather forecast
West Port Arthur, TX

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Weather in December

The first month of the winter, December, is also an enjoyable month in West Port Arthur, Texas, with an average temperature ranging between max 61.9°F (16.6°C) and min 50.2°F (10.1°C).

Temperature

The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from an agreeable 68.9°F (20.5°C) to a comfortable 61.9°F (16.6°C). West Port Arthur's average low-temperature in the month of December is recorded at a cool 50.2°F (10.1°C).

Humidity

In West Port Arthur, the average relative humidity in December is 79%.

Rainfall

In December, the rain falls for 8.7 days. Throughout December, 0.71" (18mm) of precipitation is accumulated. Throughout the year, there are 132.6 rainfall days, and 12.09" (307mm) of precipitation is accumulated.

Snowfall

December is the only month when snow falls. The month with the most snowfall is December, when snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.

Daylight

The month with the shortest days in West Port Arthur is December, with an average of 10h and 18min of daylight.
On the first day of the month, sunrise is at 6:54 am and sunset at 5:16 pm. On the last day of December, sunrise is at 7:11 am and sunset at 5:27 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 5h of sunshine.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for West Port Arthur in December?

In West Port Arthur, in December, the average high-temperature is 61.9°F (16.6°C), and the average low-temperature is 50.2°F (10.1°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 100.4°F (38°C).

What is the average humidity in December?

In December, the average relative humidity in West Port Arthur is 79%.

How many days does it rain in December?

In West Port Arthur, in December, during 8.7 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

What is the snowiest month?

December is the month with the most snowfall. Snow falls for 0.1 days and accumulates 0.04" (1mm) of snow.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 0.1 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 18min of daylight.

How many hours of daylight does West Port Arthur have in December?

In December, the average day length is 10h and 16min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 6:54 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:27 pm CST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5h of sunshine.

How long on average sun shines in December?

In December, the average sunshine duration is 5h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from 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
West Port Arthur, TX

Average temperature in December - West Port Arthur, TX
  • Average high temperature in December: 61.9°F

The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is January (59.5°F).

  • Average low temperature in December: 50.2°F

The month with the highest average low temperature is July (78.4°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).

Average pressure in December
West Port Arthur, TX

Average pressure in December - West Port Arthur, TX
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
West Port Arthur, TX

Average wind speed in December - West Port Arthur, TX
  • Average wind speed in December: 8.9mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (7mph).

Average humidity in December
West Port Arthur, TX

Average humidity in December - West Port Arthur, TX
  • Average humidity in December: 79%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
West Port Arthur, TX

Average rainfall in December - West Port Arthur, TX
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is August (2.09").
The driest month (with the least rainfall) is April (0.43").

Average rainfall days in December
West Port Arthur, TX

Average rainfall days in December - West Port Arthur, TX
  • Average rainfall days in December: 8.7 days

The month with the highest number of rainy days is August (17.9 days).
The months with the least rainy days are January and November (7.8 days).

Average snowfall in December
West Port Arthur, TX

Average snowfall in December - West Port Arthur, TX
  • Average snowfall in December: 0.04"

The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
West Port Arthur, TX

Average snowfall days in December - West Port Arthur, TX
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.3 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
West Port Arthur, TX

Average daylight in December / Average sunshine in December - West Port Arthur, TX
  • Average daylight in December: 10h and 2min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
West Port Arthur, TX

Average sunshine days in December - West Port Arthur, TX
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is August (8.8 days).

Average UV index in December
West Port Arthur, TX

Average UV index in December - West Port Arthur, TX
  • Average UV index in December: 3

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in December
West Port Arthur, TX

Average cloud cover in December - West Port Arthur, TX
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 26).

Average visibility in December
West Port Arthur, TX

Average visibility in December - West Port Arthur, 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).

West Port Arthur, Texas, USA

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