Tomball weather by month
What a typical year looks like in Tomball, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Houston Hooks Memorial Airport, 7 km from Tomball; records cover 1998–2026.
The year at a glance
- Precipitation a year
- 50.8 in1291 mm
- Snow a year
- Rare
- Last spring freeze
- Feb 25
- First fall freeze
- Nov 27
- Heating degree days
- 1,369
- Cooling degree days
- 3,146
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 28°−2° (heating, 99%) and 101°38° (cooling, 1%).
Month by month
Tomball in January
Highs average 63°17° and lows 43°6°, with 3.5 in90 mm of precipitation in a typical January.
- Record high
- 85°29° (2022)
- Record low
- 16°−9° (2010)
- Heating degree days
- 389
- Cooling degree days
- 16
Tomball in February
Highs average 68°20° and lows 47°8°, with 2.7 in69 mm of precipitation in a typical February.
- Record high
- 89°32° (2017)
- Record low
- 14°−10° (2021)
- Heating degree days
- 252
- Cooling degree days
- 32
Tomball in March
Highs average 74°23° and lows 53°12°, with 3.4 in85 mm of precipitation in a typical March.
- Record high
- 90°32° (2000)
- Record low
- 20°−7° (2002)
- Heating degree days
- 132
- Cooling degree days
- 82
Tomball in April
Highs average 80°27° and lows 59°15°, with 3.8 in97 mm of precipitation in a typical April.
- Record high
- 95°35° (1999)
- Record low
- 35°2° (2009)
- Heating degree days
- 37
- Cooling degree days
- 167
Tomball in May
Highs average 87°30° and lows 67°19°, with 4.9 in125 mm of precipitation in a typical May.
- Record high
- 109°43° (1999)
- Record low
- 39°4° (2013)
- Heating degree days
- 2
- Cooling degree days
- 368
Tomball in June
Highs average 92°33° and lows 73°23°, with 5.4 in136 mm of precipitation in a typical June.
- Record high
- 105°41° (2013)
- Record low
- 61°16° (2009)
- Heating degree days
- 0
- Cooling degree days
- 525
Tomball in July
Highs average 94°35° and lows 75°24°, with 3.7 in95 mm of precipitation in a typical July.
- Record high
- 107°42° (2022)
- Record low
- 64°18° (2019)
- Heating degree days
- 0
- Cooling degree days
- 603
Tomball in August
Highs average 95°35° and lows 74°23°, with 4.9 in124 mm of precipitation in a typical August.
- Record high
- 111°44° (2023)
- Record low
- 59°15° (2004)
- Heating degree days
- 0
- Cooling degree days
- 604
Tomball in September
Highs average 91°33° and lows 70°21°, with 5.2 in132 mm of precipitation in a typical September.
- Record high
- 111°44° (2000)
- Record low
- 46°8° (1999)
- Heating degree days
- 0
- Cooling degree days
- 450
Tomball in OctoberThis month
Highs average 82°28° and lows 60°15°, with 5.6 in142 mm of precipitation in a typical October.
- Record high
- 98°37° (2023)
- Record low
- 34°1° (2008)
- Heating degree days
- 32
- Cooling degree days
- 216
Tomball in November
Highs average 72°22° and lows 50°10°, with 4 in101 mm of precipitation in a typical November.
- Record high
- 94°34° (2005)
- Record low
- 27°−3° (2010)
- Heating degree days
- 177
- Cooling degree days
- 57
Tomball in December
Highs average 65°18° and lows 44°7°, with 3.7 in95 mm of precipitation in a typical December.
- Record high
- 85°29° (2015)
- Record low
- 15°−9° (2022)
- Heating degree days
- 348
- Cooling degree days
- 26