Port Arthur, TX weather and climate in 2024
Day
17 °C
Night
6 °C
Sea
15 °C
Precipitation
121 mm
in month
Rainy days
10 days
in month
Daylight
10 hours
average
Sunshine
4 hours
average
Humidity
79 %
Day
17 °C
Night
6 °C
Sea
15 °C
Precipitation
121 mm
in month
Rainy days
10 days
in month
Daylight
10 hours
average
Sunshine
4 hours
average
Humidity
79 %
Overview: Port Arthur, TX
Weather charts for Port Arthur, TX
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Weather overview for Port Arthur, TX
Weather overview
Port Arthur, TX, situated in the humid subtropical climate zone, experiences warm summers with high humidity and mild winters. Daytime highs peak in July and August, with temperatures reaching 33 °C (92 °F) on average, while the cooler season brings night temperatures down to a pleasant 6 °C (43 °F) in January. The city annually confronts a fair share of wet days, peaking in June with an average of 12 days, and records less precipitation during the fall months. Port Arthur is prone to significant seasonal variation in monthly rainfall, ranging from 82 mm (3.23 in) in March to 166 mm (6.52 in) in June.
January weather
January in Port Arthur, TX welcomes the new year with cooler yet mild temperatures, averaging a daytime high of 17 °C (62 °F). Though the coldest month of the year, residents often find this time welcoming after the hot summers, with precipitation levels remaining moderate at 123 mm (4.83 in).
February weather
As winter progresses, February in Port Arthur offers a slight increase in temperature to daytime highs of 19 °C (65 °F) on average. The city experiences a reduction in precipitation, recording 93 mm (3.68 in) and fewer wet days, averaging 8.
March weather
The onset of spring in March starts to warm the coastal city of Port Arthur, with the average daytime temperature rising to a pleasant 22 °C (72 °F), and the rainfall slightly diminishing to 82 mm (3.23 in), indicating fewer chances of rain impediments.
April weather
April in Port Arthur, TX sees temperatures continue to climb, averaging 26 °C (78 °F) during the day, encouraging the blooming of local flora. With approximately 6 of rain, it is one of the drier months, amassing around 81 mm (3.21 in) of precipitation.
May weather
May presents an even warmer climate in Port Arthur, with day temperatures escalating to an average of 29 °C (85 °F). Wet days amount to about 8, and rain is not scarce, with 122 mm (4.80 in) of precipitation, preparing for the upcoming wetter summer months.
June weather
June in Port Arthur ushers in the summer with the highest average daytime highs of 32 °C (90 °F) and the most considerable number of wet days at 12, resulting in notable precipitation at 166 mm (6.52 in).
July weather
The peak of summer in July maintains the scorching temperatures with an average high of 33 °C (92 °F), while the number of rainy days sees a minor dip. Port Arthur experiences an average of 12, with rainfall similar to June at 143 mm (5.61 in).
August weather
August in Port Arthur slightly outdoes July with the highest daytime temperature of the year at an average of 34 °C (92 °F). The rainfall slightly increases as well, with around 13 of precipitation totaling 139 mm (5.48 in).
September weather
As summer begins to wane in September, Port Arthur's day temperatures start to cool, averaging 32 °C (89 °F). Rain still frequents the region with around 11 of precipitation, slightly easing to 149 mm (5.88 in).
October weather
October in Port Arthur ushers in a more comfortable climate with decreased average high temperatures of 27 °C (81 °F). Rainy days further reduce to an average of 7, accumulating a total of 126 mm (4.97 in) of precipitation.
November weather
The coolness continues to settle in November with average daytime highs of 23 °C (73 °F) in Port Arthur. Rain days remain few at an average of 8 with a moderate rainfall amounting to 114 mm (4.47 in).
December weather
Port Arthur, TX enters the winters in December with a further drop in temperatures; daytime averages reach 18 °C (64 °F). The rainfall remains relatively steady at 123 mm (4.83 in) over an average of 9.
FAQs
What type of clothing should I wear in Port Arthur, TX during January?
In January, layering is key in Port Arthur as the weather can be unpredictable. A combination of sweaters, light jackets, and warm trousers would be suitable for the daytime high of 17 °C (62 °F).
Is February warmer than January in Port Arthur, TX?
February in Port Arthur sees a mild uptick in temperature with an average daytime high of 19 °C (65 °F), making it marginally warmer than January.
What is the average high temperature in Port Arthur, TX during March?
March brings in the spring warmth to Port Arthur, with average daytime highs reaching a comfortable 22 °C (72 °F), perfect for spending extended time outdoors.
What's the weather like in Port Arthur, TX during April?
April experiences a significant increase in warmth, with average high temperatures of 26 °C (78 °F). The weather is typically mild, with a decrease in precipitation, making it inviting for outdoor enthusiasts.
How warm can it get during the day in Port Arthur in May?
May marks the gradual approach of summer with warmer days, reaching highs of about 29 °C (85 °F), signaling the start of the region's hot and balmy season.
Is June the wettest month in Port Arthur, TX?
Indeed, June stands as the wettest month in Port Arthur, with a peak in the rainy days figure, 12, and the highest precipitation volume, 166 mm (6.52 in), of the year.
What are the typical high temperatures in Port Arthur, TX during July?
July in Port Arthur, TX is characterized by its intense heat, displaying some of the year's highest temperatures with a daytime average peak of 33 °C (92 °F), ensuring that air conditioning is a much-appreciated amenity.
How extreme is the heat in Port Arthur during August?
August consistently delivers the highest temperatures in Port Arthur, with daytime highs averaging 34 °C (92 °F), creating an exceptionally hot and humid atmosphere.
Do temperatures in Port Arthur start to decrease in September?
September offers a gradual decline in the searing summer heat of Port Arthur, with average daytime temperatures reducing to 32 °C (89 °F), hinting at the upcoming fall season.
What kind of weather pattern does October bring to Port Arthur?
During October, the weather in Port Arthur transitions towards autumn, offering milder temperatures with an average daytime high of 27 °C (81 °F) and a noticeable decrease in humidity.
What are typical November temperatures during the day in Port Arthur?
In November, the chill of the approaching winter starts being felt in Port Arthur, evidenced by daytime averages cooling down to a moderate 23 °C (73 °F), which may feel refreshing after the prolonged summer warmth.
How cold does it get in Port Arthur in December?
December sees a notable descent in temperature, signifying the onset of winter in Port Arthur, with day averages hovering around 18 °C (64 °F), requiring residents to dress warmly, especially in the evenings.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.