Port Arthur

The tables below display average monthly climate and weather indicators in Port Arthur Texas.

Temperature by: Fahrenheit / Centigrade

Port Arthur Temperature Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Avg. Temperature50.954.461.468.975.280.782.882.678.669.761.254.368.4
Avg. Max Temperature60.364.371.578.384.189.491.991.787.380.271.364.277.9
Avg. Min Temperature41.544.451.359.566.372.073.773.369.759.251.244.358.9
Days with Max Temp of 90 F or Higher0.00.00.0< 0.53.017.024.024.013.02.00.00.083.0
Days with Min Temp Below Freezing6.03.01.0< 0.50.00.00.00.00.0< 0.51.04.014.0
 
Port Arthur Heating and Cooling Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Heating Degree Days45030715532.00.00.00.00.00.026.01773521499
Cooling Degree Days13.010.043.014931647155254640817263.021.02764
 
Port Arthur Precipitation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precipitation (inches)4.83.43.23.55.75.65.45.36.34.34.94.857.2
Days with Precipitation 0.01 inch or More10.09.08.07.07.08.011.012.010.06.08.09.0106
Monthly Snowfall (inches)0.10.20.0< 0.05< 0.050.0< 0.050.00.00.0< 0.050.00.3
 
Other Port Arthur Weather Indicators Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Average Wind Speed10.711.211.611.610.18.77.47.18.28.810.110.39.6
Clear Days7.08.07.06.07.08.07.07.09.012.010.08.095.0
Partly Cloudy Days6.06.07.08.012.014.015.015.011.010.07.06.0117
Cloudy Days18.015.017.016.012.08.09.09.010.09.013.017.0153
Percent of Possible Sunshine42.052.052.052.064.069.065.063.062.067.057.047.058.0
Avg. Relative Humidity63.078.576.576.578.079.080.580.579.078.074.576.579.5

Weather information for other cities in Texas

Portions of this site are based on the CIA World Fact Book, a public-domain work
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