Sierra Brooks weather by month
What a typical year looks like in Sierra Brooks, California: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Verdi 2w, 21 km from Sierra Brooks; records cover 2011–2026.
The year at a glance
- Precipitation a year
- 25.7 in653 mm
- Snow a year
- Rare
- Last spring freeze
- May 23
- First fall freeze
- Sep 26
- Heating degree days
- 6,083
- 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 9°−13° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Sierra Brooks in January
Highs average 42°6° and lows 24°−4°, with 3.9 in98 mm of precipitation in a typical January.
- Record high
- 63°17° (2021)
- Record low
- −4°−20° (2013)
- Heating degree days
- 986
- Cooling degree days
- 0
Sierra Brooks in February
Highs average 45°7° and lows 26°−3°, with 4.3 in108 mm of precipitation in a typical February.
- Record high
- 68°20° (2015)
- Record low
- 1°−17° (2018)
- Heating degree days
- 834
- Cooling degree days
- 0
Sierra Brooks in March
Highs average 51°10° and lows 30°−1°, with 3.6 in92 mm of precipitation in a typical March.
- Record high
- 81°27° (2026)
- Record low
- 9°−13° (2023)
- Heating degree days
- 766
- Cooling degree days
- 0
Sierra Brooks in April
Highs average 56°13° and lows 33°0°, with 1.8 in45 mm of precipitation in a typical April.
- Record high
- 80°27° (2012)
- Record low
- 16°−9° (2023)
- Heating degree days
- 612
- Cooling degree days
- 0
Sierra Brooks in May
Highs average 65°18° and lows 40°5°, with 1.3 in34 mm of precipitation in a typical May.
- Record high
- 90°32° (2025)
- Record low
- 21°−6° (2022)
- Heating degree days
- 387
- Cooling degree days
- 4
Sierra Brooks in June
Highs average 75°24° and lows 47°8°, with 0.56 in14 mm of precipitation in a typical June.
- Record high
- 96°36° (2021)
- Record low
- 29°−2° (2020)
- Heating degree days
- 158
- Cooling degree days
- 43
Sierra Brooks in July
Highs average 85°29° and lows 53°12°, with 0.48 in12 mm of precipitation in a typical July.
- Record high
- 100°38° (2014)
- Record low
- 41°5° (2025)
- Heating degree days
- 20
- Cooling degree days
- 141
Sierra Brooks in August
Highs average 84°29° and lows 52°11°, with 0.36 in9.1 mm of precipitation in a typical August.
- Record high
- 97°36° (2026)
- Record low
- 32°0° (2018)
- Heating degree days
- 19
- Cooling degree days
- 109
Sierra Brooks in September
Highs average 77°25° and lows 47°8°, with 0.34 in8.6 mm of precipitation in a typical September.
- Record high
- 96°36° (2020)
- Record low
- 30°−1° (2013)
- Heating degree days
- 131
- Cooling degree days
- 42
Sierra Brooks in OctoberThis month
Highs average 64°18° and lows 38°4°, with 1.6 in41 mm of precipitation in a typical October.
- Record high
- 87°31° (2024)
- Record low
- 13°−11° (2019)
- Heating degree days
- 433
- Cooling degree days
- 4
Sierra Brooks in November
Highs average 52°11° and lows 30°−1°, with 2.8 in70 mm of precipitation in a typical November.
- Record high
- 73°23° (2025)
- Record low
- 7°−14° (2015)
- Heating degree days
- 729
- Cooling degree days
- 0
Sierra Brooks in December
Highs average 42°5° and lows 23°−5°, with 4.8 in121 mm of precipitation in a typical December.
- Record high
- 62°17° (2025)
- Record low
- −4°−20° (2013)
- Heating degree days
- 1008
- Cooling degree days
- 0