Whitehawk weather by month
What a typical year looks like in Whitehawk, California: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Portola, 12 km from Whitehawk; records cover 1915–2026.
The year at a glance
- Precipitation a year
- 23.3 in593 mm
- Snow a year
- 38 in96 cm
- Last spring freeze
- Jun 15
- First fall freeze
- Sep 11
- Heating degree days
- 6,783
- Cooling degree days
- 143
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 95°35° (cooling, 1%).
Month by month
Whitehawk in January
Highs average 43°6° and lows 19°−7°, with 4.2 in106 mm of precipitation and 12 in30 cm of snow in a typical January.
- Record high
- 68°20° (1920)
- Record low
- −24°−31° (1924)
- Heating degree days
- 1049
- Cooling degree days
- 0
Whitehawk in February
Highs average 46°8° and lows 21°−6°, with 3.9 in100 mm of precipitation and 8 in19 cm of snow in a typical February.
- Record high
- 72°22° (1986)
- Record low
- −21°−29° (1949)
- Heating degree days
- 876
- Cooling degree days
- 0
Whitehawk in March
Highs average 52°11° and lows 25°−4°, with 3.6 in91 mm of precipitation and 6 in16 cm of snow in a typical March.
- Record high
- 84°29° (2026)
- Record low
- −12°−24° (1952)
- Heating degree days
- 823
- Cooling degree days
- 0
Whitehawk in April
Highs average 58°14° and lows 29°−2°, with 1.6 in39 mm of precipitation and 1.8 in4.6 cm of snow in a typical April.
- Record high
- 86°30° (1947)
- Record low
- 3°−16° (1921)
- Heating degree days
- 648
- Cooling degree days
- 0
Whitehawk in May
Highs average 67°19° and lows 35°2°, with 1.2 in29 mm of precipitation and 0.2 in0.5 cm of snow in a typical May.
- Record high
- 94°34° (2003)
- Record low
- 13°−11° (1917)
- Heating degree days
- 434
- Cooling degree days
- 1
Whitehawk in June
Highs average 77°25° and lows 40°5°, with 0.52 in13 mm of precipitation in a typical June.
- Record high
- 110°43° (1924)
- Record low
- 20°−7° (1920)
- Heating degree days
- 208
- Cooling degree days
- 17
Whitehawk in July
Highs average 86°30° and lows 45°7°, with 0.34 in8.6 mm of precipitation in a typical July.
- Record high
- 110°43° (1924)
- Record low
- 22°−6° (1976)
- Heating degree days
- 58
- Cooling degree days
- 73
Whitehawk in August
Highs average 85°30° and lows 43°6°, with 0.3 in7.6 mm of precipitation in a typical August.
- Record high
- 107°42° (1981)
- Record low
- 19°−7° (1943)
- Heating degree days
- 81
- Cooling degree days
- 46
Whitehawk in September
Highs average 79°26° and lows 37°3°, with 0.44 in11 mm of precipitation and 0.1 in0.3 cm of snow in a typical September.
- Record high
- 100°38° (1955)
- Record low
- 12°−11° (1929)
- Heating degree days
- 218
- Cooling degree days
- 6
Whitehawk in OctoberThis month
Highs average 66°19° and lows 30°−1°, with 1.1 in27 mm of precipitation and 0.4 in1 cm of snow in a typical October.
- Record high
- 92°33° (1933)
- Record low
- 3°−16° (1919)
- Heating degree days
- 525
- Cooling degree days
- 0
Whitehawk in November
Highs average 53°11° and lows 24°−4°, with 2 in52 mm of precipitation and 2.4 in6.1 cm of snow in a typical November.
- Record high
- 82°28° (1918)
- Record low
- −6°−21° (1915)
- Heating degree days
- 801
- Cooling degree days
- 0
Whitehawk in December
Highs average 42°6° and lows 19°−7°, with 4.3 in109 mm of precipitation and 7 in18 cm of snow in a typical December.
- Record high
- 72°22° (1921)
- Record low
- −28°−33° (1972)
- Heating degree days
- 1062
- Cooling degree days
- 0