Heath weather by month
What a typical year looks like in Heath, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Terrell Municipal Airport, 24 km from Heath; records cover 1998–2026.
The year at a glance
- Precipitation a year
- 38.4 in976 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 7
- First fall freeze
- Nov 20
- Heating degree days
- 2,211
- Cooling degree days
- 2,737
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 22°−6° (heating, 99%) and 104°40° (cooling, 1%).
Month by month
Heath in January
Highs average 57°14° and lows 36°2°, with 2.6 in67 mm of precipitation in a typical January.
- Record high
- 82°28° (2009)
- Record low
- 10°−12° (2018)
- Heating degree days
- 574
- Cooling degree days
- 3
Heath in February
Highs average 62°17° and lows 40°4°, with 2.7 in69 mm of precipitation in a typical February.
- Record high
- 86°30° (2023)
- Record low
- −7°−22° (2021)
- Heating degree days
- 410
- Cooling degree days
- 8
Heath in March
Highs average 69°21° and lows 47°8°, with 3.7 in94 mm of precipitation in a typical March.
- Record high
- 90°32° (2026)
- Record low
- 17°−8° (2002)
- Heating degree days
- 250
- Cooling degree days
- 31
Heath in April
Highs average 76°25° and lows 54°12°, with 3.1 in78 mm of precipitation in a typical April.
- Record high
- 94°34° (2006)
- Record low
- 32°0° (2014)
- Heating degree days
- 90
- Cooling degree days
- 93
Heath in May
Highs average 84°29° and lows 63°17°, with 4.7 in120 mm of precipitation in a typical May.
- Record high
- 100°38° (1998)
- Record low
- 36°2° (2013)
- Heating degree days
- 10
- Cooling degree days
- 286
Heath in June
Highs average 92°33° and lows 71°22°, with 3.4 in86 mm of precipitation in a typical June.
- Record high
- 107°42° (2012)
- Record low
- 57°14° (2000)
- Heating degree days
- 0
- Cooling degree days
- 490
Heath in July
Highs average 96°35° and lows 74°24°, with 2 in51 mm of precipitation in a typical July.
- Record high
- 108°42° (2018)
- Record low
- 60°16° (2013)
- Heating degree days
- 0
- Cooling degree days
- 620
Heath in August
Highs average 96°36° and lows 74°23°, with 2.3 in58 mm of precipitation in a typical August.
- Record high
- 109°43° (2011)
- Record low
- 61°16° (2004)
- Heating degree days
- 0
- Cooling degree days
- 624
Heath in September
Highs average 90°32° and lows 67°19°, with 2.7 in70 mm of precipitation in a typical September.
- Record high
- 110°43° (2000)
- Record low
- 43°6° (2000)
- Heating degree days
- 2
- Cooling degree days
- 400
Heath in OctoberThis month
Highs average 79°26° and lows 56°13°, with 4.5 in115 mm of precipitation in a typical October.
- Record high
- 97°36° (2019)
- Record low
- 31°−1° (2017)
- Heating degree days
- 70
- Cooling degree days
- 150
Heath in November
Highs average 68°20° and lows 45°7°, with 3.1 in78 mm of precipitation in a typical November.
- Record high
- 91°33° (2017)
- Record low
- 20°−7° (2019)
- Heating degree days
- 281
- Cooling degree days
- 26
Heath in December
Highs average 59°15° and lows 38°3°, with 3.6 in90 mm of precipitation in a typical December.
- Record high
- 83°28° (2005)
- Record low
- 11°−12° (2022)
- Heating degree days
- 524
- Cooling degree days
- 6