Stonyford weather by month
What a typical year looks like in Stonyford, California: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Stony Gorge Reservoir, 24 km from Stonyford; records cover 1926–2026.
The year at a glance
- Precipitation a year
- 21.4 in543 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 10
- First fall freeze
- Nov 9
- Heating degree days
- 3,191
- Cooling degree days
- 1,362
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 24°−4° (heating, 99%) and 106°41° (cooling, 1%).
Month by month
Stonyford in January
Highs average 56°13° and lows 34°1°, with 4.5 in114 mm of precipitation in a typical January.
- Record high
- 82°28° (2014)
- Record low
- 13°−11° (1937)
- Heating degree days
- 622
- Cooling degree days
- 0
Stonyford in February
Highs average 60°15° and lows 36°2°, with 4 in102 mm of precipitation in a typical February.
- Record high
- 81°27° (1930)
- Record low
- 14°−10° (1989)
- Heating degree days
- 489
- Cooling degree days
- 0
Stonyford in March
Highs average 64°18° and lows 38°3°, with 2.8 in70 mm of precipitation in a typical March.
- Record high
- 90°32° (2026)
- Record low
- 21°−6° (2006)
- Heating degree days
- 431
- Cooling degree days
- 0
Stonyford in April
Highs average 70°21° and lows 41°5°, with 1.4 in34 mm of precipitation in a typical April.
- Record high
- 95°35° (1947)
- Record low
- 20°−7° (1929)
- Heating degree days
- 286
- Cooling degree days
- 5
Stonyford in May
Highs average 80°26° and lows 48°9°, with 1.1 in27 mm of precipitation in a typical May.
- Record high
- 106°41° (1950)
- Record low
- 28°−2° (1950)
- Heating degree days
- 116
- Cooling degree days
- 74
Stonyford in June
Highs average 89°32° and lows 55°13°, with 0.54 in14 mm of precipitation in a typical June.
- Record high
- 113°45° (1950)
- Record low
- 37°3° (1943)
- Heating degree days
- 22
- Cooling degree days
- 233
Stonyford in July
Highs average 96°36° and lows 61°16°, with 0.05 in1.3 mm of precipitation in a typical July.
- Record high
- 116°47° (1972)
- Record low
- 47°8° (1935)
- Heating degree days
- 0
- Cooling degree days
- 416
Stonyford in August
Highs average 95°35° and lows 59°15°, with 0.05 in1.3 mm of precipitation in a typical August.
- Record high
- 115°46° (1971)
- Record low
- 46°8° (1927)
- Heating degree days
- 1
- Cooling degree days
- 363
Stonyford in September
Highs average 90°32° and lows 54°12°, with 0.12 in3 mm of precipitation in a typical September.
- Record high
- 114°46° (1988)
- Record low
- 34°1° (1934)
- Heating degree days
- 16
- Cooling degree days
- 221
Stonyford in OctoberThis month
Highs average 79°26° and lows 46°8°, with 0.93 in24 mm of precipitation in a typical October.
- Record high
- 104°40° (1933)
- Record low
- 26°−3° (1946)
- Heating degree days
- 140
- Cooling degree days
- 50
Stonyford in November
Highs average 64°18° and lows 37°3°, with 2 in51 mm of precipitation in a typical November.
- Record high
- 89°32° (1949)
- Record low
- 20°−7° (1929)
- Heating degree days
- 426
- Cooling degree days
- 0
Stonyford in December
Highs average 56°13° and lows 33°1°, with 4 in101 mm of precipitation in a typical December.
- Record high
- 80°27° (1958)
- Record low
- 5°−15° (1932)
- Heating degree days
- 642
- Cooling degree days
- 0