Humid subtropical climate
Climate Port Mansfield - Texas
Annual high80ºF
Annual low66ºF
Precipitation25.91 inch
| Month | HighºF | LowºF | Precipinch |
|---|---|---|---|
| Jan | 67 | 50 | 1.32 |
| Feb | 70 | 54 | 1.68 |
| Mar | 75 | 60 | 1.34 |
| Apr | 80 | 66 | 1.39 |
| May | 84 | 73 | 2.45 |
| Jun | 89 | 77 | 2.19 |
| Jul | 90 | 78 | 2.43 |
| Aug | 91 | 77 | 1.43 |
| Sep | 88 | 74 | 5.33 |
| Oct | 83 | 68 | 3.30 |
| Nov | 76 | 60 | 1.73 |
| Dec | 69 | 52 | 1.32 |
- JanHigh 67ºFLow 50ºFPrecip 1.32 inch
- FebHigh 70ºFLow 54ºFPrecip 1.68 inch
- MarHigh 75ºFLow 60ºFPrecip 1.34 inch
- AprHigh 80ºFLow 66ºFPrecip 1.39 inch
- MayHigh 84ºFLow 73ºFPrecip 2.45 inch
- JunHigh 89ºFLow 77ºFPrecip 2.19 inch
- JulHigh 90ºFLow 78ºFPrecip 2.43 inch
- AugHigh 91ºFLow 77ºFPrecip 1.43 inch
- SepHigh 88ºFLow 74ºFPrecip 5.33 inch
- OctHigh 83ºFLow 68ºFPrecip 3.30 inch
- NovHigh 76ºFLow 60ºFPrecip 1.73 inch
- DecHigh 69ºFLow 52ºFPrecip 1.32 inch
Climate summary
What is the average weather in Port Mansfield, Texas?
Port Mansfield has a humid subtropical climate, characterized by hot summers and mild winters. The area receives moderate precipitation annually, with a strong seasonal pattern that brings wetter conditions in the fall. Heavy seasonal downpours or afternoon thunderstorms can sometimes occur during the warmer months, contributing to the overall rainfall.
Port Mansfield weather averages
Annual high80ºF
Annual low66ºF
Precipitation25.91 inch
Daily normals Port Mansfield - Texas - January
| Day | HighºF | LowºF | Prec/ | Prec/ |
|---|---|---|---|---|
| Jan 1 | 68.0 | 49.9 | 0.03 | 0.03 |
| Jan 2 | 67.9 | 49.8 | 0.06 | 0.06 |
| Jan 3 | 67.8 | 49.8 | 0.10 | 0.10 |
| Jan 4 | 67.7 | 49.8 | 0.13 | 0.13 |
| Jan 5 | 67.6 | 49.7 | 0.17 | 0.17 |
| Jan 6 | 67.5 | 49.7 | 0.20 | 0.20 |
| Jan 7 | 67.5 | 49.7 | 0.24 | 0.24 |
| Jan 8 | 67.4 | 49.7 | 0.27 | 0.27 |
| Jan 9 | 67.4 | 49.7 | 0.30 | 0.30 |
| Jan 10 | 67.3 | 49.7 | 0.33 | 0.33 |
| Jan 11 | 67.3 | 49.7 | 0.36 | 0.36 |
| Jan 12 | 67.3 | 49.8 | 0.39 | 0.39 |
| Jan 13 | 67.3 | 49.8 | 0.43 | 0.43 |
| Jan 14 | 67.3 | 49.9 | 0.46 | 0.46 |
| Jan 15 | 67.3 | 49.9 | 0.49 | 0.49 |
| Jan 16 | 67.3 | 50.0 | 0.52 | 0.52 |
| Jan 17 | 67.4 | 50.1 | 0.54 | 0.54 |
| Jan 18 | 67.4 | 50.1 | 0.57 | 0.57 |
| Jan 19 | 67.5 | 50.2 | 0.60 | 0.60 |
| Jan 20 | 67.5 | 50.3 | 0.63 | 0.63 |
| Jan 21 | 67.6 | 50.4 | 0.67 | 0.67 |
| Jan 22 | 67.7 | 50.6 | 0.72 | 0.72 |
| Jan 23 | 67.8 | 50.7 | 0.77 | 0.77 |
| Jan 24 | 67.9 | 50.8 | 0.81 | 0.81 |
| Jan 25 | 68.0 | 50.9 | 0.86 | 0.86 |
| Jan 26 | 68.1 | 51.1 | 0.91 | 0.91 |
| Jan 27 | 68.2 | 51.2 | 0.95 | 0.95 |
| Jan 28 | 68.3 | 51.3 | 1.00 | 1.00 |
| Jan 29 | 68.4 | 51.5 | 1.04 | 1.04 |
| Jan 30 | 68.6 | 51.7 | 1.09 | 1.09 |
| Jan 31 | 68.7 | 51.8 | 1.13 | 1.13 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Port Mansfield - September 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Sep 1 | 95.0 | 78.1 | 0.00 |
| Sep 2 | 95.0 | 78.1 | 0.00 |
| Sep 3 | 96.1 | 78.1 | 0.00 |
| Sep 4 | 93.9 | 81.0 | 0.00 |
| Sep 5 | – | – | – |
| Sep 6 | – | – | – |
| Sep 7 | – | – | – |
| Sep 8 | – | – | – |
| Sep 9 | 95.0 | 81.0 | 0.00 |
| Sep 10 | – | – | – |
| Sep 11 | – | – | – |
| Sep 12 | – | – | – |
| Sep 13 | – | – | – |
| Sep 14 | 95.0 | 80.1 | 0.00 |
| Sep 15 | – | – | – |
| Sep 16 | – | – | – |
| Sep 17 | – | – | – |
| Sep 18 | – | – | – |
| Sep 19 | 93.0 | 77.0 | 0.00 |
| Sep 20 | 91.9 | 75.0 | 0.00 |
| Sep 21 | 95.0 | 75.0 | 0.00 |
| Sep 22 | 95.0 | 75.0 | 0.00 |
| Sep 23 | 95.0 | 75.0 | 0.00 |
| Sep 24 | 95.0 | 75.0 | 0.00 |
| Sep 25 | 95.0 | 75.0 | 0.40 |
| Sep 26 | 93.0 | 77.0 | – |
| Sep 27 | 84.9 | 79.0 | 0.00 |
| Sep 28 | 95.0 | 75.0 | 0.00 |
| Sep 29 | 95.0 | 75.0 | 0.00 |
| Sep 30 | – | – | – |
The data for September 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature96.1ºF · Sep 3
- Lowest max temperature84.9ºF · Sep 27
- Highest min temperature81.0ºF · Sep 4
- Lowest min temperature75.0ºF · Sep 20
Geo Port Mansfield - Texas
Location
- Country
- United States
- State
- Texas
- County
- Willacy
- City
- Port Mansfield
- Zip Code
- 78598
- Elevation
- 3 ft
- Longitude
- -97.44
- Latitude
- 26.56
- ICAO
- –
- IATA
- –