Search a place

Port Mansfield weather by month

What a typical year looks like in Port Mansfield, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Port Mansfield, 2 km from Port Mansfield; records cover 1958–2026.

Today’s Port Mansfield forecast

The year at a glance

January: typical high 67.7°F, low 50.3°F, precipitation 1.13 in. February: typical high 71°F, low 54.5°F, precipitation 1.75 in. March: typical high 75.6°F, low 60.5°F, precipitation 1.33 in. April: typical high 80.8°F, low 66.5°F, precipitation 1.41 in. May: typical high 85.3°F, low 72.7°F, precipitation 2.39 in. June: typical high 89.6°F, low 76.6°F, precipitation 2 in. July: typical high 90.5°F, low 77.7°F, precipitation 2.39 in. August: typical high 91.8°F, low 77.5°F, precipitation 1.15 in. September: typical high 88.5°F, low 73.6°F, precipitation 5.37 in. October: typical high 84.1°F, low 68°F, precipitation 3.1 in. November: typical high 76.4°F, low 59.6°F, precipitation 1.98 in. December: typical high 70.3°F, low 52.2°F, precipitation 1.25 in.10°−12°20°−7°30°−1°40°4°50°10°60°16°70°21°80°27°90°32°100°38°110°43°68°20°50°10°Jan71°22°55°13°Feb76°24°61°16°Mar81°27°67°19°Apr85°30°73°23°May90°32°77°25°Jun91°33°78°25°Jul92°33°78°25°Aug89°31°74°23°Sep84°29°68°20°Oct76°25°60°15°Nov70°21°52°11°DecPrecipitation
Bars: typical low to high (official normals, 1991–2020) Record high Record low
Precipitation a year
25.3 in641 mm
Snow a year
Rare
Last spring freeze
Jan 20
First fall freeze
Dec 8
Heating degree days
673
Cooling degree days
3,756

Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 35°2° (heating, 99%) and 95°35° (cooling, 1%).

Month by month

Port Mansfield in January

Highs average 68°20° and lows 50°10°, with 1.1 in29 mm of precipitation in a typical January.

Record high
92°33° (2022)
Record low
15°−9° (1962)
Heating degree days
223
Cooling degree days
37

Port Mansfield in February

Highs average 71°22° and lows 55°13°, with 1.8 in44 mm of precipitation in a typical February.

Record high
95°35° (1971)
Record low
20°−7° (2021)
Heating degree days
128
Cooling degree days
65

Port Mansfield in March

Highs average 76°24° and lows 61°16°, with 1.3 in34 mm of precipitation in a typical March.

Record high
101°38° (1984)
Record low
29°−2° (1980)
Heating degree days
55
Cooling degree days
150

Port Mansfield in April

Highs average 81°27° and lows 67°19°, with 1.4 in36 mm of precipitation in a typical April.

Record high
102°39° (1963)
Record low
38°3° (1974)
Heating degree days
10
Cooling degree days
270

Port Mansfield in May

Highs average 85°30° and lows 73°23°, with 2.4 in61 mm of precipitation in a typical May.

Record high
104°40° (2006)
Record low
48°9° (2004)
Heating degree days
0
Cooling degree days
434

Port Mansfield in June

Highs average 90°32° and lows 77°25°, with 2 in51 mm of precipitation in a typical June.

Record high
103°39° (2023)
Record low
58°14° (1972)
Heating degree days
0
Cooling degree days
543

Port Mansfield in July

Highs average 91°33° and lows 78°25°, with 2.4 in61 mm of precipitation in a typical July.

Record high
102°39° (2018)
Record low
65°18° (1985)
Heating degree days
0
Cooling degree days
592

Port Mansfield in August

Highs average 92°33° and lows 78°25°, with 1.2 in29 mm of precipitation in a typical August.

Record high
102°39° (1962)
Record low
64°18° (1967)
Heating degree days
0
Cooling degree days
609

Port Mansfield in September

Highs average 89°31° and lows 74°23°, with 5.4 in136 mm of precipitation in a typical September.

Record high
102°39° (2005)
Record low
55°13° (1975)
Heating degree days
0
Cooling degree days
482

Port Mansfield in OctoberThis month

Highs average 84°29° and lows 68°20°, with 3.1 in79 mm of precipitation in a typical October.

Record high
99°37° (1986)
Record low
32°0° (1993)
Heating degree days
7
Cooling degree days
350

Port Mansfield in November

Highs average 76°25° and lows 60°15°, with 2 in50 mm of precipitation in a typical November.

Record high
98°37° (1988)
Record low
30°−1° (1959)
Heating degree days
70
Cooling degree days
160

Port Mansfield in December

Highs average 70°21° and lows 52°11°, with 1.3 in32 mm of precipitation and 0.1 in0.3 cm of snow in a typical December.

Record high
91°33° (1968)
Record low
15°−9° (1989)
Heating degree days
180
Cooling degree days
64