Hamilton City weather by month
What a typical year looks like in Hamilton City, California: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Orland, 16 km from Hamilton City; records cover 1903–2026.
The year at a glance
- Precipitation a year
- 21.4 in543 mm
- Snow a year
- Rare
- Last spring freeze
- Feb 26
- First fall freeze
- Dec 2
- Heating degree days
- 2,498
- Cooling degree days
- 1,617
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 29°−2° (heating, 99%) and 105°41° (cooling, 1%).
Month by month
Hamilton City in January
Highs average 57°14° and lows 38°3°, with 4.5 in114 mm of precipitation in a typical January.
- Record high
- 81°27° (2014)
- Record low
- 17°−8° (1937)
- Heating degree days
- 550
- Cooling degree days
- 0
Hamilton City in February
Highs average 62°17° and lows 40°5°, with 4.1 in104 mm of precipitation in a typical February.
- Record high
- 84°29° (2022)
- Record low
- 19°−7° (1949)
- Heating degree days
- 394
- Cooling degree days
- 0
Hamilton City in March
Highs average 67°19° and lows 43°6°, with 2.8 in71 mm of precipitation in a typical March.
- Record high
- 89°32° (1914)
- Record low
- 24°−4° (1939)
- Heating degree days
- 315
- Cooling degree days
- 4
Hamilton City in April
Highs average 73°23° and lows 47°8°, with 1.4 in35 mm of precipitation in a typical April.
- Record high
- 98°37° (1926)
- Record low
- 27°−3° (2001)
- Heating degree days
- 181
- Cooling degree days
- 27
Hamilton City in May
Highs average 81°27° and lows 53°12°, with 1.1 in29 mm of precipitation in a typical May.
- Record high
- 110°43° (1910)
- Record low
- 31°−1° (2010)
- Heating degree days
- 64
- Cooling degree days
- 133
Hamilton City in June
Highs average 89°32° and lows 60°16°, with 0.38 in9.7 mm of precipitation in a typical June.
- Record high
- 115°46° (1925)
- Record low
- 41°5° (1907)
- Heating degree days
- 10
- Cooling degree days
- 295
Hamilton City in July
Highs average 94°35° and lows 63°17°, with 0.02 in0.5 mm of precipitation in a typical July.
- Record high
- 120°49° (1905)
- Record low
- 35°2° (2026)
- Heating degree days
- 0
- Cooling degree days
- 426
Hamilton City in August
Highs average 93°34° and lows 61°16°, with 0.08 in2 mm of precipitation in a typical August.
- Record high
- 120°49° (1908)
- Record low
- 41°5° (2026)
- Heating degree days
- 0
- Cooling degree days
- 374
Hamilton City in September
Highs average 90°32° and lows 58°14°, with 0.24 in6.1 mm of precipitation in a typical September.
- Record high
- 114°46° (1988)
- Record low
- 39°4° (1971)
- Heating degree days
- 6
- Cooling degree days
- 271
Hamilton City in OctoberThis month
Highs average 80°26° and lows 51°10°, with 0.91 in23 mm of precipitation in a typical October.
- Record high
- 105°41° (1933)
- Record low
- 29°−2° (1946)
- Heating degree days
- 82
- Cooling degree days
- 85
Hamilton City in November
Highs average 65°19° and lows 43°6°, with 2 in52 mm of precipitation in a typical November.
- Record high
- 95°35° (1908)
- Record low
- 21°−6° (1985)
- Heating degree days
- 335
- Cooling degree days
- 2
Hamilton City in December
Highs average 57°14° and lows 37°3°, with 3.8 in97 mm of precipitation in a typical December.
- Record high
- 81°27° (1980)
- Record low
- 15°−9° (1990)
- Heating degree days
- 561
- Cooling degree days
- 0