DeCordova weather by month
What a typical year looks like in DeCordova, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Rainbow, 19 km from DeCordova; records cover 2000–2026.
The year at a glance
- Precipitation a year
- 34.2 in870 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 2
- First fall freeze
- Nov 13
- Heating degree days
- 2,575
- Cooling degree days
- 2,513
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 18°−8° (heating, 99%) and 105°41° (cooling, 1%).
Month by month
DeCordova in January
Highs average 57°14° and lows 31°0°, with 2.1 in54 mm of precipitation in a typical January.
- Record high
- 89°32° (2006)
- Record low
- 3°−16° (2018)
- Heating degree days
- 645
- Cooling degree days
- 2
DeCordova in February
Highs average 61°16° and lows 36°2°, with 2.3 in59 mm of precipitation and 0.1 in0.3 cm of snow in a typical February.
- Record high
- 95°35° (2008)
- Record low
- −3°−19° (2021)
- Heating degree days
- 469
- Cooling degree days
- 5
DeCordova in March
Highs average 69°21° and lows 43°6°, with 3 in76 mm of precipitation in a typical March.
- Record high
- 95°35° (2026)
- Record low
- 14°−10° (2014)
- Heating degree days
- 300
- Cooling degree days
- 27
DeCordova in April
Highs average 77°25° and lows 52°11°, with 3 in77 mm of precipitation in a typical April.
- Record high
- 103°39° (2006)
- Record low
- 27°−3° (2009)
- Heating degree days
- 115
- Cooling degree days
- 93
DeCordova in May
Highs average 84°29° and lows 62°16°, with 4.2 in107 mm of precipitation in a typical May.
- Record high
- 101°38° (2022)
- Record low
- 32°0° (2013)
- Heating degree days
- 19
- Cooling degree days
- 259
DeCordova in June
Highs average 92°33° and lows 69°20°, with 3.8 in96 mm of precipitation in a typical June.
- Record high
- 107°42° (2022)
- Record low
- 40°4° (2012)
- Heating degree days
- 0
- Cooling degree days
- 458
DeCordova in July
Highs average 96°36° and lows 73°23°, with 1.8 in45 mm of precipitation in a typical July.
- Record high
- 109°43° (2018)
- Record low
- 52°11° (2012)
- Heating degree days
- 0
- Cooling degree days
- 604
DeCordova in August
Highs average 96°36° and lows 72°22°, with 2.7 in69 mm of precipitation in a typical August.
- Record high
- 111°44° (2011)
- Record low
- 48°9° (2012)
- Heating degree days
- 0
- Cooling degree days
- 586
DeCordova in September
Highs average 89°32° and lows 64°18°, with 3 in76 mm of precipitation in a typical September.
- Record high
- 111°44° (2000)
- Record low
- 39°4° (2000)
- Heating degree days
- 6
- Cooling degree days
- 348
DeCordova in OctoberThis month
Highs average 79°26° and lows 52°11°, with 3.8 in96 mm of precipitation in a typical October.
- Record high
- 98°37° (2020)
- Record low
- 27°−3° (2017)
- Heating degree days
- 103
- Cooling degree days
- 108
DeCordova in November
Highs average 67°19° and lows 42°6°, with 2.2 in57 mm of precipitation in a typical November.
- Record high
- 92°33° (2017)
- Record low
- 17°−8° (2014)
- Heating degree days
- 331
- Cooling degree days
- 20
DeCordova in December
Highs average 59°15° and lows 33°1°, with 2.2 in57 mm of precipitation in a typical December.
- Record high
- 90°32° (2005)
- Record low
- 8°−13° (2005)
- Heating degree days
- 587
- Cooling degree days
- 3