Hamilton weather by month
What a typical year looks like in Hamilton, Kansas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Eureka 1e, 19 km from Hamilton; records cover 1909–2026.
The year at a glance
- Precipitation a year
- 40 in1015 mm
- Snow a year
- 9 in22 cm
- Last spring freeze
- Apr 11
- First fall freeze
- Oct 19
- Heating degree days
- 4,889
- Cooling degree days
- 1,390
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 3°−16° (heating, 99%) and 102°39° (cooling, 1%).
Month by month
Hamilton in January
Highs average 43°6° and lows 19°−7°, with 0.97 in25 mm of precipitation and 2.8 in7.1 cm of snow in a typical January.
- Record high
- 78°26° (2015)
- Record low
- −22°−30° (1943)
- Heating degree days
- 1063
- Cooling degree days
- 0
Hamilton in February
Highs average 48°9° and lows 22°−5°, with 1.5 in37 mm of precipitation and 1.2 in3 cm of snow in a typical February.
- Record high
- 86°30° (1962)
- Record low
- −20°−29° (2011)
- Heating degree days
- 841
- Cooling degree days
- 0
Hamilton in March
Highs average 58°15° and lows 32°0°, with 2.5 in64 mm of precipitation and 0.9 in2.3 cm of snow in a typical March.
- Record high
- 95°35° (2026)
- Record low
- −10°−23° (1943)
- Heating degree days
- 627
- Cooling degree days
- 3
Hamilton in April
Highs average 68°20° and lows 42°5°, with 3.6 in91 mm of precipitation and 0.1 in0.3 cm of snow in a typical April.
- Record high
- 99°37° (1972)
- Record low
- 11°−12° (1936)
- Heating degree days
- 329
- Cooling degree days
- 15
Hamilton in May
Highs average 76°24° and lows 53°12°, with 6 in152 mm of precipitation in a typical May.
- Record high
- 101°38° (1913)
- Record low
- 27°−3° (1909)
- Heating degree days
- 109
- Cooling degree days
- 89
Hamilton in June
Highs average 85°29° and lows 63°17°, with 5.7 in144 mm of precipitation in a typical June.
- Record high
- 110°43° (1980)
- Record low
- 40°4° (1913)
- Heating degree days
- 7
- Cooling degree days
- 272
Hamilton in July
Highs average 90°32° and lows 67°20°, with 4.6 in116 mm of precipitation in a typical July.
- Record high
- 120°49° (1936)
- Record low
- 46°8° (1924)
- Heating degree days
- 0
- Cooling degree days
- 426
Hamilton in August
Highs average 90°32° and lows 65°18°, with 4.1 in103 mm of precipitation in a typical August.
- Record high
- 115°46° (1936)
- Record low
- 42°6° (1915)
- Heating degree days
- 1
- Cooling degree days
- 381
Hamilton in September
Highs average 82°28° and lows 56°13°, with 3.8 in97 mm of precipitation in a typical September.
- Record high
- 109°43° (2000)
- Record low
- 28°−2° (1984)
- Heating degree days
- 48
- Cooling degree days
- 173
Hamilton in OctoberThis month
Highs average 71°21° and lows 44°6°, with 3.3 in85 mm of precipitation and 0.1 in0.3 cm of snow in a typical October.
- Record high
- 98°37° (1963)
- Record low
- 11°−12° (1917)
- Heating degree days
- 278
- Cooling degree days
- 30
Hamilton in November
Highs average 57°14° and lows 31°0°, with 2.4 in60 mm of precipitation and 0.5 in1.3 cm of snow in a typical November.
- Record high
- 95°35° (1914)
- Record low
- 0°−18° (1975)
- Heating degree days
- 622
- Cooling degree days
- 1
Hamilton in December
Highs average 46°8° and lows 22°−5°, with 1.6 in42 mm of precipitation and 3 in8 cm of snow in a typical December.
- Record high
- 82°28° (1955)
- Record low
- −18°−28° (1989)
- Heating degree days
- 964
- Cooling degree days
- 0