Trinity weather by month
What a typical year looks like in Trinity, Alabama: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Belle Mina 2 N, 21 km from Trinity; records cover 1950–2026.
The year at a glance
- Precipitation a year
- 54.5 in1385 mm
- Snow a year
- 1.1 in2.8 cm
- Last spring freeze
- Mar 31
- First fall freeze
- Oct 30
- Heating degree days
- 3,492
- Cooling degree days
- 1,586
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 13°−11° (heating, 99%) and 99°37° (cooling, 1%).
Month by month
Trinity in January
Highs average 49°10° and lows 30°−1°, with 5.3 in135 mm of precipitation and 0.2 in0.5 cm of snow in a typical January.
- Record high
- 78°26° (1952)
- Record low
- −19°−28° (1966)
- Heating degree days
- 792
- Cooling degree days
- 0
Trinity in February
Highs average 53°12° and lows 32°0°, with 5.1 in130 mm of precipitation and 0.5 in1.3 cm of snow in a typical February.
- Record high
- 82°28° (1962)
- Record low
- −4°−20° (1958)
- Heating degree days
- 619
- Cooling degree days
- 0
Trinity in March
Highs average 62°17° and lows 39°4°, with 5.1 in129 mm of precipitation and 0.3 in0.8 cm of snow in a typical March.
- Record high
- 87°31° (2007)
- Record low
- 7°−14° (1980)
- Heating degree days
- 447
- Cooling degree days
- 5
Trinity in April
Highs average 71°22° and lows 47°8°, with 5.1 in129 mm of precipitation in a typical April.
- Record high
- 94°34° (2006)
- Record low
- 20°−7° (2007)
- Heating degree days
- 205
- Cooling degree days
- 31
Trinity in May
Highs average 79°26° and lows 57°14°, with 4.6 in116 mm of precipitation in a typical May.
- Record high
- 99°37° (1962)
- Record low
- 35°2° (1957)
- Heating degree days
- 51
- Cooling degree days
- 147
Trinity in June
Highs average 86°30° and lows 65°18°, with 4 in102 mm of precipitation in a typical June.
- Record high
- 107°42° (2012)
- Record low
- 42°6° (1984)
- Heating degree days
- 2
- Cooling degree days
- 318
Trinity in July
Highs average 89°32° and lows 68°20°, with 4.5 in113 mm of precipitation in a typical July.
- Record high
- 108°42° (1952)
- Record low
- 51°11° (1967)
- Heating degree days
- 0
- Cooling degree days
- 420
Trinity in August
Highs average 89°32° and lows 66°19°, with 3.4 in86 mm of precipitation in a typical August.
- Record high
- 108°42° (1954)
- Record low
- 49°9° (1986)
- Heating degree days
- 0
- Cooling degree days
- 388
Trinity in September
Highs average 84°29° and lows 60°15°, with 3.9 in99 mm of precipitation in a typical September.
- Record high
- 105°41° (1951)
- Record low
- 36°2° (1967)
- Heating degree days
- 19
- Cooling degree days
- 223
Trinity in OctoberThis month
Highs average 74°23° and lows 48°9°, with 3.5 in89 mm of precipitation in a typical October.
- Record high
- 98°37° (2019)
- Record low
- 24°−4° (1952)
- Heating degree days
- 182
- Cooling degree days
- 48
Trinity in November
Highs average 61°16° and lows 38°3°, with 4.2 in106 mm of precipitation in a typical November.
- Record high
- 86°30° (2000)
- Record low
- 0°−18° (1950)
- Heating degree days
- 473
- Cooling degree days
- 5
Trinity in December
Highs average 52°11° and lows 32°0°, with 5.9 in150 mm of precipitation and 0.1 in0.3 cm of snow in a typical December.
- Record high
- 80°27° (1951)
- Record low
- −5°−21° (1989)
- Heating degree days
- 702
- Cooling degree days
- 1