La Porte weather by month
What a typical year looks like in La Porte, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at HOUSTON WILLIAM P HOBBY AP, 23 km from La Porte; records cover 1930–2026.
The year at a glance
- Precipitation a year
- 55.6 in1413 mm
- Snow a year
- Rare
- Last spring freeze
- Jan 24
- First fall freeze
- Dec 9
- Heating degree days
- 1,099
- Cooling degree days
- 3,361
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 32°0° (heating, 99%) and 99°37° (cooling, 1%).
Month by month
La Porte in January
Highs average 64°18° and lows 46°8°, with 4.1 in104 mm of precipitation in a typical January.
- Record high
- 85°29° (1972)
- Record low
- 5°−15° (1940)
- Heating degree days
- 330
- Cooling degree days
- 19
La Porte in February
Highs average 68°20° and lows 50°10°, with 2.9 in72 mm of precipitation in a typical February.
- Record high
- 89°32° (1940)
- Record low
- 14°−10° (1951)
- Heating degree days
- 206
- Cooling degree days
- 33
La Porte in March
Highs average 73°23° and lows 56°13°, with 3.3 in83 mm of precipitation in a typical March.
- Record high
- 96°36° (1946)
- Record low
- 22°−6° (1943)
- Heating degree days
- 101
- Cooling degree days
- 90
La Porte in April
Highs average 79°26° and lows 62°17°, with 4.1 in104 mm of precipitation in a typical April.
- Record high
- 94°34° (1948)
- Record low
- 32°0° (1940)
- Heating degree days
- 22
- Cooling degree days
- 189
La Porte in May
Highs average 86°30° and lows 69°21°, with 5.4 in138 mm of precipitation in a typical May.
- Record high
- 100°38° (1998)
- Record low
- 44°7° (1978)
- Heating degree days
- 1
- Cooling degree days
- 391
La Porte in June
Highs average 91°33° and lows 75°24°, with 6.1 in155 mm of precipitation in a typical June.
- Record high
- 105°41° (2013)
- Record low
- 56°13° (1984)
- Heating degree days
- 0
- Cooling degree days
- 538
La Porte in July
Highs average 93°34° and lows 77°25°, with 4.6 in117 mm of precipitation in a typical July.
- Record high
- 105°41° (1939)
- Record low
- 64°18° (1967)
- Heating degree days
- 0
- Cooling degree days
- 612
La Porte in August
Highs average 94°34° and lows 77°25°, with 5.4 in138 mm of precipitation in a typical August.
- Record high
- 109°43° (2023)
- Record low
- 60°16° (1940)
- Heating degree days
- 0
- Cooling degree days
- 623
La Porte in September
Highs average 89°32° and lows 73°23°, with 5.8 in146 mm of precipitation in a typical September.
- Record high
- 108°42° (2000)
- Record low
- 50°10° (1940)
- Heating degree days
- 0
- Cooling degree days
- 483
La Porte in OctoberThis month
Highs average 82°28° and lows 64°18°, with 5.8 in147 mm of precipitation in a typical October.
- Record high
- 98°37° (2024)
- Record low
- 33°1° (1993)
- Heating degree days
- 19
- Cooling degree days
- 267
La Porte in November
Highs average 73°23° and lows 54°12°, with 3.9 in99 mm of precipitation in a typical November.
- Record high
- 90°32° (1934)
- Record low
- 24°−4° (1938)
- Heating degree days
- 134
- Cooling degree days
- 83
La Porte in December
Highs average 66°19° and lows 48°9°, with 4.3 in110 mm of precipitation in a typical December.
- Record high
- 87°31° (2021)
- Record low
- 9°−13° (1989)
- Heating degree days
- 286
- Cooling degree days
- 33