Downieville weather by month
What a typical year looks like in Downieville, California: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Bowman Dam, 20 km from Downieville; records cover 1901–2026.
The year at a glance
- Precipitation a year
- 0 in0 mm
- Snow a year
- Rare
- Last spring freeze
- May 22
- First fall freeze
- Oct 25
- Heating degree days
- 5,653
- Cooling degree days
- 343
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 15°−9° (heating, 99%) and 91°33° (cooling, 1%).
Month by month
Downieville in January
Highs average 46°8° and lows 29°−2°, with — of precipitation in a typical January.
- Record high
- 75°24° (1926)
- Record low
- −2°−19° (1935)
- Heating degree days
- 866
- Cooling degree days
- 0
Downieville in February
Highs average 47°8° and lows 28°−2°, with — of precipitation in a typical February.
- Record high
- 78°26° (1926)
- Record low
- −2°−19° (1932)
- Heating degree days
- 768
- Cooling degree days
- 0
Downieville in March
Highs average 49°10° and lows 30°−1°, with — of precipitation in a typical March.
- Record high
- 83°28° (1926)
- Record low
- 4°−16° (1966)
- Heating degree days
- 787
- Cooling degree days
- 0
Downieville in April
Highs average 55°13° and lows 33°1°, with — of precipitation in a typical April.
- Record high
- 88°31° (1926)
- Record low
- 7°−14° (2023)
- Heating degree days
- 628
- Cooling degree days
- 0
Downieville in May
Highs average 64°18° and lows 40°5°, with — of precipitation in a typical May.
- Record high
- 93°34° (1947)
- Record low
- 12°−11° (1926)
- Heating degree days
- 410
- Cooling degree days
- 4
Downieville in June
Highs average 73°23° and lows 47°8°, with — of precipitation in a typical June.
- Record high
- 100°38° (1926)
- Record low
- 25°−4° (1988)
- Heating degree days
- 181
- Cooling degree days
- 33
Downieville in July
Highs average 82°28° and lows 54°12°, with — of precipitation in a typical July.
- Record high
- 102°39° (1902)
- Record low
- 32°0° (1987)
- Heating degree days
- 32
- Cooling degree days
- 128
Downieville in August
Highs average 81°27° and lows 54°12°, with — of precipitation in a typical August.
- Record high
- 99°37° (1926)
- Record low
- 30°−1° (1989)
- Heating degree days
- 30
- Cooling degree days
- 109
Downieville in September
Highs average 77°25° and lows 51°10°, with — of precipitation in a typical September.
- Record high
- 98°37° (2022)
- Record low
- 21°−6° (1926)
- Heating degree days
- 102
- Cooling degree days
- 62
Downieville in OctoberThis month
Highs average 66°19° and lows 42°5°, with — of precipitation in a typical October.
- Record high
- 90°32° (1926)
- Record low
- 18°−8° (1971)
- Heating degree days
- 351
- Cooling degree days
- 7
Downieville in November
Highs average 54°12° and lows 34°1°, with — of precipitation in a typical November.
- Record high
- 82°28° (1927)
- Record low
- 11°−12° (1977)
- Heating degree days
- 627
- Cooling degree days
- 0
Downieville in December
Highs average 45°7° and lows 29°−2°, with — of precipitation in a typical December.
- Record high
- 72°22° (1980)
- Record low
- 0°−18° (1932)
- Heating degree days
- 871
- Cooling degree days
- 0