Climate information for Port Arthur - Texas - Southwest

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	50.9	54.4	61.4	68.9	75.2	80.7	82.8	82.6	78.6	69.7	61.2	54.3	68.4
Avg. Max Temperature	60.3	64.3	71.5	78.3	84.1	89.4	91.9	91.7	87.3	80.2	71.3	64.2	77.9
Avg. Min Temperature	41.5	44.4	51.3	59.5	66.3	72.0	73.7	73.3	69.7	59.2	51.2	44.3	58.9
Days with Max Temp of 90 F 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