Bonham weather by month
What a typical year looks like in Bonham, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at BONHAM 3NNE, 6 km from Bonham; records cover 1903–2026.
The year at a glance
- Precipitation a year
- 45.5 in1156 mm
- Snow a year
- 1.1 in2.8 cm
- Last spring freeze
- Mar 16
- First fall freeze
- Nov 12
- Heating degree days
- 2,821
- Cooling degree days
- 2,310
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 17°−8° (heating, 99%) and 103°39° (cooling, 1%).
Month by month
Bonham in January
Highs average 53°12° and lows 33°0°, with 2.8 in71 mm of precipitation and 0.3 in0.8 cm of snow in a typical January.
- Record high
- 82°28° (1909)
- Record low
- −5°−21° (1930)
- Heating degree days
- 689
- Cooling degree days
- 1
Bonham in February
Highs average 57°14° and lows 36°2°, with 3.1 in79 mm of precipitation and 0.5 in1.3 cm of snow in a typical February.
- Record high
- 92°33° (1918)
- Record low
- −5°−21° (1910)
- Heating degree days
- 516
- Cooling degree days
- 2
Bonham in March
Highs average 65°18° and lows 44°6°, with 4.3 in109 mm of precipitation in a typical March.
- Record high
- 96°36° (1916)
- Record low
- 9°−13° (1948)
- Heating degree days
- 344
- Cooling degree days
- 15
Bonham in April
Highs average 73°23° and lows 51°11°, with 4 in102 mm of precipitation in a typical April.
- Record high
- 98°37° (1930)
- Record low
- 22°−6° (1936)
- Heating degree days
- 136
- Cooling degree days
- 58
Bonham in May
Highs average 81°27° and lows 61°16°, with 4.9 in125 mm of precipitation in a typical May.
- Record high
- 104°40° (1927)
- Record low
- 32°0° (1903)
- Heating degree days
- 25
- Cooling degree days
- 211
Bonham in June
Highs average 89°32° and lows 70°21°, with 4.5 in113 mm of precipitation in a typical June.
- Record high
- 109°43° (2024)
- Record low
- 48°9° (1988)
- Heating degree days
- 0
- Cooling degree days
- 428
Bonham in July
Highs average 94°34° and lows 73°23°, with 3.2 in82 mm of precipitation in a typical July.
- Record high
- 112°44° (1943)
- Record low
- 52°11° (1924)
- Heating degree days
- 0
- Cooling degree days
- 574
Bonham in August
Highs average 94°34° and lows 72°22°, with 2.9 in73 mm of precipitation in a typical August.
- Record high
- 115°46° (1936)
- Record low
- 52°11° (1904)
- Heating degree days
- 0
- Cooling degree days
- 561
Bonham in September
Highs average 87°31° and lows 65°18°, with 4.1 in103 mm of precipitation in a typical September.
- Record high
- 109°43° (1939)
- Record low
- 34°1° (1909)
- Heating degree days
- 10
- Cooling degree days
- 335
Bonham in OctoberThis month
Highs average 77°25° and lows 53°12°, with 4.6 in116 mm of precipitation in a typical October.
- Record high
- 103°39° (1939)
- Record low
- 19°−7° (1917)
- Heating degree days
- 112
- Cooling degree days
- 107
Bonham in November
Highs average 65°18° and lows 42°6°, with 3.5 in88 mm of precipitation in a typical November.
- Record high
- 89°32° (2017)
- Record low
- 8°−13° (1976)
- Heating degree days
- 363
- Cooling degree days
- 16
Bonham in December
Highs average 55°13° and lows 35°2°, with 3.7 in93 mm of precipitation and 0.3 in0.8 cm of snow in a typical December.
- Record high
- 86°30° (1908)
- Record low
- −4°−20° (1989)
- Heating degree days
- 626
- Cooling degree days
- 2