Climate Port Arthur - Texas
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 62 | 65 | 72 | 78 | 85 | 90 |
| Average low in ºF Av. low Lo | 43 | 47 | 52 | 59 | 67 | 73 |
| Av. precipitation in inch Av. precip. Pre. | 5.26 | 3.58 | 3.53 | 3.21 | 5.23 | 7.09 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 92 | 92 | 88 | 81 | 72 | 64 |
| Average low in ºF Av. low Lo | 74 | 74 | 70 | 60 | 52 | 45 |
| Av. precipitation in inch Av. precip. Pre. | 5.95 | 5.38 | 5.97 | 5.58 | 4.40 | 5.29 |
What is the average weather in Port Arthur, Texas?
Port Arthur experiences a humid subtropical climate, characterized by hot summers and cool winters. The area is quite wet, with high annual precipitation. Summers are the wettest season, often bringing heavy downpours and afternoon thunderstorms. While spring is comparatively drier, rainfall is abundant throughout the year.
Port Arthur Climate Graph - Texas Climate Chart
Daily normals Port Arthur - Texas - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 61.8 | 43.0 | 0.16 | 0.16 | 0.00 | 0.00 |
| 2 Jan | 61.8 | 43.0 | 0.31 | 0.31 | 0.00 | 0.00 |
| 3 Jan | 61.8 | 43.0 | 0.51 | 0.51 | 0.00 | 0.00 |
| 4 Jan | 61.7 | 42.9 | 0.71 | 0.71 | 0.00 | 0.00 |
| 5 Jan | 61.7 | 42.9 | 0.87 | 0.87 | 0.00 | 0.00 |
| 6 Jan | 61.7 | 42.9 | 1.06 | 1.06 | 0.00 | 0.00 |
| 7 Jan | 61.7 | 42.9 | 1.26 | 1.26 | 0.00 | 0.00 |
| 8 Jan | 61.7 | 42.9 | 1.46 | 1.46 | 0.00 | 0.00 |
| 9 Jan | 61.7 | 42.9 | 1.61 | 1.61 | 0.00 | 0.00 |
| 10 Jan | 61.8 | 42.9 | 1.77 | 1.77 | 0.00 | 0.00 |
| 11 Jan | 61.8 | 42.9 | 1.97 | 1.97 | 0.00 | 0.00 |
| 12 Jan | 61.8 | 42.9 | 2.13 | 2.13 | 0.00 | 0.00 |
| 13 Jan | 61.8 | 42.9 | 2.32 | 2.32 | 0.00 | 0.00 |
| 14 Jan | 61.9 | 42.9 | 2.48 | 2.48 | 0.00 | 0.00 |
| 15 Jan | 61.9 | 43.0 | 2.64 | 2.64 | 0.00 | 0.00 |
| 16 Jan | 61.9 | 43.0 | 2.83 | 2.83 | 0.00 | 0.00 |
| 17 Jan | 62.0 | 43.0 | 2.99 | 2.99 | 0.00 | 0.00 |
| 18 Jan | 62.0 | 43.1 | 3.19 | 3.19 | 0.00 | 0.00 |
| 19 Jan | 62.1 | 43.1 | 3.35 | 3.35 | 0.00 | 0.00 |
| 20 Jan | 62.1 | 43.2 | 3.50 | 3.50 | 0.00 | 0.00 |
| 21 Jan | 62.2 | 43.2 | 3.66 | 3.66 | 0.00 | 0.00 |
| 22 Jan | 62.3 | 43.3 | 3.86 | 3.86 | 0.00 | 0.00 |
| 23 Jan | 62.3 | 43.4 | 4.02 | 4.02 | 0.00 | 0.00 |
| 24 Jan | 62.4 | 43.4 | 4.17 | 4.17 | 0.00 | 0.00 |
| 25 Jan | 62.5 | 43.5 | 4.33 | 4.33 | 0.00 | 0.00 |
| 26 Jan | 62.6 | 43.6 | 4.49 | 4.49 | 0.00 | 0.00 |
| 27 Jan | 62.6 | 43.7 | 4.65 | 4.65 | 0.00 | 0.00 |
| 28 Jan | 62.7 | 43.8 | 4.80 | 4.80 | 0.00 | 0.00 |
| 29 Jan | 62.8 | 43.9 | 4.96 | 4.96 | 0.00 | 0.00 |
| 30 Jan | 62.9 | 44.0 | 5.12 | 5.12 | 0.00 | 0.00 |
| 31 Jan | 63.0 | 44.1 | 5.28 | 5.28 | 0.00 | 0.00 |
Weather history Port Arthur - July 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Jul | 93.0 | 75.9 | 0.04 | 0.00 | 0.0 |
| 02 Jul | - | - | - | - | - |
| 03 Jul | - | - | - | - | - |
| 04 Jul | - | - | - | - | - |
| 05 Jul | - | - | - | - | - |
| 06 Jul | - | - | - | - | - |
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| 11 Jul | - | - | - | - | - |
| 12 Jul | - | - | - | - | - |
| 13 Jul | - | - | - | - | - |
| 14 Jul | - | - | - | - | - |
| 15 Jul | - | - | - | - | - |
| 16 Jul | - | - | - | - | - |
| 17 Jul | - | - | - | - | - |
| 18 Jul | - | - | - | - | - |
| 19 Jul | - | - | - | - | - |
| 20 Jul | - | - | - | - | - |
| 21 Jul | - | - | - | - | - |
| 22 Jul | - | - | - | - | - |
| 23 Jul | - | - | - | - | - |
| 24 Jul | - | - | - | - | - |
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| 27 Jul | - | - | - | - | - |
| 28 Jul | - | - | - | - | - |
| 29 Jul | - | - | - | - | - |
| 30 Jul | - | - | - | - | - |
| 31 Jul | - | - | - | - | - |
Past weather Port Arthur
| Jul 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 93.0 ºF | 62 ºF | |
| Average low temperature Av. low temp. | 75.9 ºF | 43 ºF | |
| Total precipitation Total precip. | 0.04 inch | 5.26 inch | |
| Total snowfall Total snowfall | 0.00 inch | 0 inch | |
| Highest max temperature Highest max temp. | 93.0 ºF | - | |
| Lowest max temperature Lowest max temp. | 93.0 ºF | - | |
| Highest min temperature Highest min temp. | 75.9 ºF | - | |
| Lowest min temperature Lowest min temp. | 75.9 ºF | - | |
Past weather July 2026 incomplete - Missing data
Geo Port Arthur - Texas
| Country | United States | |
|---|---|---|
| State | Texas | |
| County | Jefferson | |
| City | Port Arthur | |
| Zip Code | 77642 | |
| Longitude | -93.94 dec. degr. | |
| Latitude | 29.89 dec. degr. | |
| Altitude - Elevation | 0ft | |
| ICAO | - | |
| IATA | - |
Date and Time Port Arthur - Texas
| Local Time | 01:45 AM | |
|---|---|---|
| Sunrise | 06:19 AM | |
| Sunset | 08:21 PM | |
| Day/Night | Night | |
| Timezone | Central Daylight Time | |
| Timezone DB | America - Chicago |
Map of Port Arthur - Texas
USGS National Map — Open interactive map
Port Arthur weather averages
| Annual high temperature | 78ºF |
| Annual low temperature | 60ºF |
| Average annual precip. | 60.47 inch |
Station Data
Monthly averages Port Arthur
Longitude: -93.9399, Latitude: 29.885
Average weather Port Arthur, TX - 77642
Monthly: 1991-2020 normals
History: 2007-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...