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. Temperature | 10.5 | 12.4 | 16.3 | 20.5 | 24.0 | 27.1 | 28.2 | 28.1 | 25.9 | 20.9 | 16.2 | 12.4 | 20.2 |
| Avg. Max Temperature | 15.7 | 17.9 | 21.9 | 25.7 | 28.9 | 31.9 | 33.3 | 33.2 | 30.7 | 26.8 | 21.8 | 17.9 | 25.5 |
| Avg. Min Temperature | 5.3 | 6.9 | 10.7 | 15.3 | 19.1 | 22.2 | 23.2 | 22.9 | 20.9 | 15.1 | 10.7 | 6.8 | 14.9 |
| Days with Max Temp of 32 C or Higher | 0.0 | 0.0 | 0.0 | < 0.5 | 3.0 | 17.0 | 24.0 | 24.0 | 13.0 | 2.0 | 0.0 | 0.0 | 83.0 |
| Days with Min Temp Below Freezing | 6.0 | 3.0 | 1.0 | < 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | < 0.5 | 1.0 | 4.0 | 14.0 |
| |
|
| Port Arthur Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Heating Degree Days | 450 | 307 | 155 | 32.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 26.0 | 177 | 352 | 1499 |
| Cooling Degree Days | 13.0 | 10.0 | 43.0 | 149 | 316 | 471 | 552 | 546 | 408 | 172 | 63.0 | 21.0 | 2764 |
| |
|
| Port Arthur Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Precipitation (inches) | 4.8 | 3.4 | 3.2 | 3.5 | 5.7 | 5.6 | 5.4 | 5.3 | 6.3 | 4.3 | 4.9 | 4.8 | 57.2 |
| Days with Precipitation 0.01 inch or More | 10.0 | 9.0 | 8.0 | 7.0 | 7.0 | 8.0 | 11.0 | 12.0 | 10.0 | 6.0 | 8.0 | 9.0 | 106 |
| Monthly Snowfall (inches) | 0.1 | 0.2 | 0.0 | < 0.05 | < 0.05 | 0.0 | < 0.05 | 0.0 | 0.0 | 0.0 | < 0.05 | 0.0 | 0.3 |
| |
|
| Other Port Arthur Weather Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Average Wind Speed | 10.7 | 11.2 | 11.6 | 11.6 | 10.1 | 8.7 | 7.4 | 7.1 | 8.2 | 8.8 | 10.1 | 10.3 | 9.6 |
| Clear Days | 7.0 | 8.0 | 7.0 | 6.0 | 7.0 | 8.0 | 7.0 | 7.0 | 9.0 | 12.0 | 10.0 | 8.0 | 95.0 |
| Partly Cloudy Days | 6.0 | 6.0 | 7.0 | 8.0 | 12.0 | 14.0 | 15.0 | 15.0 | 11.0 | 10.0 | 7.0 | 6.0 | 117 |
| Cloudy Days | 18.0 | 15.0 | 17.0 | 16.0 | 12.0 | 8.0 | 9.0 | 9.0 | 10.0 | 9.0 | 13.0 | 17.0 | 153 |
| Percent of Possible Sunshine | 42.0 | 52.0 | 52.0 | 52.0 | 64.0 | 69.0 | 65.0 | 63.0 | 62.0 | 67.0 | 57.0 | 47.0 | 58.0 |
| Avg. Relative Humidity | 63.0 | 78.5 | 76.5 | 76.5 | 78.0 | 79.0 | 80.5 | 80.5 | 79.0 | 78.0 | 74.5 | 76.5 | 79.5 |
Weather information for other cities in Texas