December weather forecast and climate
Port Arthur, TX

What is the temperature in December in Port Arthur?

In Port Arthur, Texas, in December, the average high-temperature is 63.9°F (17.7°C), and the average low-temperature is 45°F (7.2°C).

How many days does it rain in December in Port Arthur?

In Port Arthur, during December, the rain falls for 9.5 days and regularly aggregates up to 5.3" (134.1mm) of precipitation.
Average temperature in December - Port Arthur, TX
  • Average high temperature in December: 63.8°F

The warmest month (with the highest average high temperature) is August (92.2°F).
The month with the lowest average high temperature is January (62.1°F).

  • Average low temperature in December: 44.9°F

The month with the highest average low temperature is July (74.4°F).
The coldest month (with the lowest average low temperature) is January (43.4°F).

Average rainfall in December - Port Arthur, TX
  • Average rainfall in December: 5.3"

The wettest month (with the highest rainfall) is June (7.1").
The driest month (with the lowest rainfall) is April (3.2").

Average rainfall days in December - Port Arthur, TX
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is July (11.4 days).
The month with the lowest number of rainy days is April (6.2 days).

Average daylight in December / Average sunshine in December - Port Arthur, TX
  • Average daylight in December: 10.3h

The month with the longest days is June (Average daylight: 14.1h).
The month with shortest days is December (Average daylight: 10.3h).

  • Average sunshine in December: 4.8h

The month with most sunshine is June (Average sunshine: 9.5h).
The month with least sunshine is January (Average sunshine: 4.4h).

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