Bay City weather by month
What a typical year looks like in Bay City, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at BAY CITY WATERWORKS, 2 km from Bay City; records cover 1912–2026.
The year at a glance
- Precipitation a year
- 49.1 in1246 mm
- Snow a year
- Rare
- Last spring freeze
- Feb 12
- First fall freeze
- Dec 3
- Heating degree days
- 1,325
- Cooling degree days
- 2,734
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 30°−1° (heating, 99%) and 98°37° (cooling, 1%).
Month by month
Bay City in January
Highs average 63°17° and lows 43°6°, with 3.8 in96 mm of precipitation in a typical January.
- Record high
- 86°30° (2005)
- Record low
- 11°−12° (1949)
- Heating degree days
- 383
- Cooling degree days
- 10
Bay City in February
Highs average 67°19° and lows 47°8°, with 2.5 in64 mm of precipitation in a typical February.
- Record high
- 90°32° (1954)
- Record low
- 10°−12° (2021)
- Heating degree days
- 246
- Cooling degree days
- 18
Bay City in March
Highs average 72°22° and lows 53°12°, with 3 in77 mm of precipitation in a typical March.
- Record high
- 91°33° (1974)
- Record low
- 22°−6° (1980)
- Heating degree days
- 134
- Cooling degree days
- 58
Bay City in April
Highs average 78°25° and lows 59°15°, with 3.2 in82 mm of precipitation in a typical April.
- Record high
- 94°34° (2015)
- Record low
- 34°1° (1973)
- Heating degree days
- 41
- Cooling degree days
- 138
Bay City in May
Highs average 84°29° and lows 66°19°, with 4.4 in113 mm of precipitation in a typical May.
- Record high
- 98°37° (1953)
- Record low
- 39°4° (2013)
- Heating degree days
- 4
- Cooling degree days
- 308
Bay City in June
Highs average 89°32° and lows 72°22°, with 5.7 in145 mm of precipitation in a typical June.
- Record high
- 106°41° (2013)
- Record low
- 57°14° (1974)
- Heating degree days
- 0
- Cooling degree days
- 454
Bay City in July
Highs average 91°33° and lows 73°23°, with 4.5 in115 mm of precipitation in a typical July.
- Record high
- 107°42° (1998)
- Record low
- 61°16° (1967)
- Heating degree days
- 0
- Cooling degree days
- 518
Bay City in August
Highs average 91°33° and lows 73°23°, with 4.3 in108 mm of precipitation in a typical August.
- Record high
- 107°42° (2023)
- Record low
- 59°15° (2018)
- Heating degree days
- 0
- Cooling degree days
- 530
Bay City in September
Highs average 88°31° and lows 69°20°, with 5.8 in147 mm of precipitation in a typical September.
- Record high
- 109°43° (2000)
- Record low
- 46°8° (1942)
- Heating degree days
- 0
- Cooling degree days
- 401
Bay City in OctoberThis month
Highs average 81°27° and lows 60°16°, with 4.2 in108 mm of precipitation in a typical October.
- Record high
- 97°36° (1951)
- Record low
- 29°−2° (1993)
- Heating degree days
- 31
- Cooling degree days
- 213
Bay City in November
Highs average 72°22° and lows 51°11°, with 4 in102 mm of precipitation in a typical November.
- Record high
- 97°36° (2024)
- Record low
- 24°−4° (1959)
- Heating degree days
- 161
- Cooling degree days
- 65
Bay City in December
Highs average 65°19° and lows 45°7°, with 3.6 in90 mm of precipitation in a typical December.
- Record high
- 88°31° (1912)
- Record low
- 7°−14° (1989)
- Heating degree days
- 325
- Cooling degree days
- 21