Conroe weather by month
What a typical year looks like in Conroe, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at CONROE, 0 km from Conroe; records cover 1897–2026.
The year at a glance
- Precipitation a year
- 51 in1296 mm
- Snow a year
- Rare
- Last spring freeze
- Feb 25
- First fall freeze
- Nov 27
- Heating degree days
- 1,441
- Cooling degree days
- 3,172
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 27°−3° (heating, 99%) and 101°38° (cooling, 1%).
Month by month
Conroe in January
Highs average 63°17° and lows 42°5°, with 4.4 in111 mm of precipitation in a typical January.
- Record high
- 84°29° (1923)
- Record low
- 5°−15° (1930)
- Heating degree days
- 408
- Cooling degree days
- 14
Conroe in February
Highs average 67°19° and lows 46°8°, with 3.3 in84 mm of precipitation in a typical February.
- Record high
- 91°33° (1930)
- Record low
- 6°−14° (1899)
- Heating degree days
- 269
- Cooling degree days
- 25
Conroe in March
Highs average 74°23° and lows 52°11°, with 3.5 in88 mm of precipitation in a typical March.
- Record high
- 96°36° (1946)
- Record low
- 18°−8° (1943)
- Heating degree days
- 143
- Cooling degree days
- 74
Conroe in April
Highs average 80°27° and lows 59°15°, with 3.4 in86 mm of precipitation in a typical April.
- Record high
- 98°37° (1935)
- Record low
- 29°−2° (1940)
- Heating degree days
- 39
- Cooling degree days
- 168
Conroe in May
Highs average 87°30° and lows 67°19°, with 5.5 in139 mm of precipitation in a typical May.
- Record high
- 100°38° (1998)
- Record low
- 40°4° (1925)
- Heating degree days
- 3
- Cooling degree days
- 363
Conroe in June
Highs average 92°34° and lows 73°23°, with 5.2 in132 mm of precipitation in a typical June.
- Record high
- 105°41° (1930)
- Record low
- 47°8° (2009)
- Heating degree days
- 0
- Cooling degree days
- 523
Conroe in July
Highs average 95°35° and lows 74°24°, with 3.3 in84 mm of precipitation in a typical July.
- Record high
- 108°42° (2022)
- Record low
- 57°14° (1967)
- Heating degree days
- 0
- Cooling degree days
- 609
Conroe in August
Highs average 96°35° and lows 74°24°, with 4.5 in115 mm of precipitation in a typical August.
- Record high
- 109°43° (1925)
- Record low
- 57°14° (1940)
- Heating degree days
- 0
- Cooling degree days
- 623
Conroe in September
Highs average 90°32° and lows 70°21°, with 3.7 in94 mm of precipitation in a typical September.
- Record high
- 109°43° (2000)
- Record low
- 43°6° (1942)
- Heating degree days
- 1
- Cooling degree days
- 457
Conroe in OctoberThis month
Highs average 82°28° and lows 60°16°, with 5.4 in137 mm of precipitation in a typical October.
- Record high
- 102°39° (1982)
- Record low
- 26°−3° (1982)
- Heating degree days
- 36
- Cooling degree days
- 230
Conroe in November
Highs average 72°22° and lows 51°10°, with 4.8 in121 mm of precipitation in a typical November.
- Record high
- 94°34° (1921)
- Record low
- 21°−6° (1938)
- Heating degree days
- 177
- Cooling degree days
- 65
Conroe in December
Highs average 64°18° and lows 44°7°, with 4.1 in104 mm of precipitation in a typical December.
- Record high
- 89°32° (1955)
- Record low
- 3°−16° (1989)
- Heating degree days
- 365
- Cooling degree days
- 21