Iowa Colony weather by month
What a typical year looks like in Iowa Colony, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Houston Clover Field, 20 km from Iowa Colony; records cover 1997–2026.
The year at a glance
- Precipitation a year
- 53.3 in1354 mm
- Snow a year
- Rare
- Last spring freeze
- Feb 7
- First fall freeze
- Dec 8
- Heating degree days
- 1,072
- Cooling degree days
- 3,392
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 31°−1° (heating, 99%) and 99°37° (cooling, 1%).
Month by month
Iowa Colony in January
Highs average 65°18° and lows 46°8°, with 3.6 in92 mm of precipitation in a typical January.
- Record high
- 83°28° (2017)
- Record low
- 15°−9° (2025)
- Heating degree days
- 321
- Cooling degree days
- 21
Iowa Colony in February
Highs average 68°20° and lows 50°10°, with 2.9 in75 mm of precipitation in a typical February.
- Record high
- 87°31° (2007)
- Record low
- 16°−9° (2021)
- Heating degree days
- 201
- Cooling degree days
- 39
Iowa Colony in March
Highs average 74°23° and lows 55°13°, with 2.8 in72 mm of precipitation in a typical March.
- Record high
- 91°33° (2008)
- Record low
- 24°−4° (2002)
- Heating degree days
- 103
- Cooling degree days
- 94
Iowa Colony in April
Highs average 80°26° and lows 62°16°, with 3.7 in93 mm of precipitation in a typical April.
- Record high
- 94°34° (2014)
- Record low
- 36°2° (2009)
- Heating degree days
- 24
- Cooling degree days
- 189
Iowa Colony in May
Highs average 86°30° and lows 70°21°, with 5.1 in130 mm of precipitation in a typical May.
- Record high
- 99°37° (1998)
- Record low
- 43°6° (2013)
- Heating degree days
- 1
- Cooling degree days
- 396
Iowa Colony in June
Highs average 91°33° and lows 75°24°, with 5.2 in132 mm of precipitation in a typical June.
- Record high
- 104°40° (2012)
- Record low
- 61°16° (1997)
- Heating degree days
- 0
- Cooling degree days
- 550
Iowa Colony in July
Highs average 93°34° and lows 76°25°, with 4.2 in107 mm of precipitation in a typical July.
- Record high
- 104°40° (2022)
- Record low
- 68°20° (2019)
- Heating degree days
- 0
- Cooling degree days
- 612
Iowa Colony in August
Highs average 94°34° and lows 76°25°, with 5.6 in143 mm of precipitation in a typical August.
- Record high
- 109°43° (2023)
- Record low
- 63°17° (2004)
- Heating degree days
- 0
- Cooling degree days
- 623
Iowa Colony in September
Highs average 90°32° and lows 72°22°, with 5.4 in137 mm of precipitation in a typical September.
- Record high
- 108°42° (2000)
- Record low
- 50°10° (2000)
- Heating degree days
- 0
- Cooling degree days
- 483
Iowa Colony in OctoberThis month
Highs average 83°28° and lows 63°17°, with 5.8 in147 mm of precipitation in a typical October.
- Record high
- 99°37° (2024)
- Record low
- 38°3° (2017)
- Heating degree days
- 17
- Cooling degree days
- 268
Iowa Colony in November
Highs average 73°23° and lows 54°12°, with 4.2 in107 mm of precipitation in a typical November.
- Record high
- 89°32° (2017)
- Record low
- 31°−1° (2018)
- Heating degree days
- 127
- Cooling degree days
- 82
Iowa Colony in December
Highs average 66°19° and lows 48°9°, with 4.7 in119 mm of precipitation in a typical December.
- Record high
- 84°29° (2005)
- Record low
- 16°−9° (2022)
- Heating degree days
- 278
- Cooling degree days
- 35