Port Arthur, Texas 

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Climate in Port Arthur, Texas

Port Arthur, Texas gets 59 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Port Arthur averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 211 sunny days per year in Port Arthur. The US average is 205 sunny days.

Port Arthur gets some kind of precipitation, on average, 100 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 92 degrees
Winter Low: the January low is 42
Rain: averages 59 inches of rain a year
Snow: averages 0 inches of snow a year


The annual BestPlaces Comfort Index for Port Arthur is 6.7 (10=best), which means it is less comfortable than most places in Texas.

6.7 / 10
April, October and March are the most pleasant months in Port Arthur, while July and August are the least comfortable months.

Climate Averages
  Port Arthur, TexasUnited States
  58.9 in.38.1 in.
  0.0 in.27.8 in.
  100.0 days106.2 days
  211 days205 days
  7 ft.2443 ft.


Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

August is the hottest month for Port Arthur with an average high temperature of 92.3°, which ranks it as one of the coolest places in Texas. In Port Arthur, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Port Arthur are April, October and November.

January has the coldest nighttime temperatures for Port Arthur with an average of 41.9°. This is warmer than most places in Texas.

In Port Arthur, there are 77.2 days annually when the high temperature is over 90°, which is cooler than most places in Texas.

In Port Arthur, there are 12.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Texas.

In Port Arthur, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Texas.

June is the wettest month in Port Arthur with 6.8 inches of rain, and the driest month is April with 3.0 inches. The wettest season is Autumn with 30% of yearly precipitation and 20% occurs in Summer, which is the driest season. The annual rainfall of 58.9 inches in Port Arthur means that it is one of the wettest places in Texas.

July is the rainiest month in Port Arthur with 10.5 days of rain, and April is the driest month with only 5.7 rainy days. There are 100.0 rainy days annually in Port Arthur, which is one of the rainiest places in Texas. The rainiest season is Autumn when it rains 30% of the time and the driest is Summer with only a 19% chance of a rainy day.

There is rarely any recorded snowfall in Port Arthur, ranking it as one of the least snowy places in Texas. Any measurable snowfall is a rare occurance in Port Arthur.

  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Port Arthur    9 Reviews
    port arthur ace hole capital of the world - 7/28/2015
    Port arthur and surrounding areas CONS: hot and very humid summers cant go outside during summer hungry mosquitos chase you. Most pdople on the road especially with... Read More

    Start Your Review of Port Arthur

    Slow grind - 2/14/2015
    Seattle, here we... Read More

    Pierre - 4/26/2014
    I live in the Port Acres area of Port Arthur and I like the rural area very much. I do have to wonder what kind of hallucinogenic drugs he had used prior to writing his... Read More

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