Sierra Brooks, CA climate
Sierra Brooks has chilly, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 86°, a January night drops to 22°, and about 38 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Sierra Brooks feels like
Winter
Spring
Summer
Fall
Sierra Brooks weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 43° | 22° | 3.2" | 8.2" | 8 | 8 | 25° – 39° |
| February | 47° | 23° | 3.1" | 7.6" | 8 | 5 | 28° – 44° |
| March | 52° | 27° | 2.6" | 6.9" | 9 | 3 | 32° – 45° |
| April | 58° | 30° | 1.3" | 2.8" | 6 | 1 | 39° – 49° |
| May | 67° | 37° | 1.1" | 0.3" | 6 | 0 | 44° – 58° |
| June | 77° | 42° | 0.6" | 0.1" | 3 | 0 | 55° – 64° |
| July | 86° | 48° | 0.3" | 0 | 2 | 0 | 62° – 71° |
| August | 85° | 46° | 0.3" | 0 | 2 | 0 | 62° – 69° |
| September | 78° | 41° | 0.4" | 0 | 2 | 0 | 56° – 63° |
| October | 66° | 33° | 1.1" | 0.2" | 5 | 0 | 46° – 54° |
| November | 52° | 26° | 1.8" | 2.9" | 7 | 2 | 29° – 45° |
| December | 42° | 21° | 3.3" | 8.5" | 9 | 7 | 26° – 36° |
| Year | 63° | 33° | 19.0" | 37.5" | 68 | 25 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Sierra Brooks
Sierra Brooks gets 19 inches of rain and melted snow a year. December is the wettest month and August the driest. Rain or snow falls on about 68 days a year. Snow covers the ground about 25 days of the year.
About 156 frost-free days a year
In half of years the last 32° night comes by May 9 and the first one by October 17. That leaves about 156 frost-free days for gardens, shorter than 75% of U.S. towns.
Heating and cooling a home in Sierra Brooks
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Sierra Brooks, 95% of that work is heating and 5% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Sierra Brooks compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Sierra Brooks averaged 1.3° warmer than the 1900s. The biggest change is in January (+2.8°). The shift is larger than in 59% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Sierra Brooks’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 28° to 44°. August is the most reliable, staying within 7°.
Common questions about Sierra Brooks’s climate
What is the coldest month in Sierra Brooks?
December, with a typical high of 42° and a low of 21°.
What is the hottest month in Sierra Brooks?
July, with a typical high of 86° and a low of 48°. About 18 days a year reach 90°.
How much snow does Sierra Brooks get?
About 38 inches in a normal winter, most of it in December.
When is the first frost in Sierra Brooks?
In half of years the first 32° night comes by October 17, and the last spring frost by May 9.
What is the rainiest month in Sierra Brooks?
December, with 3.3 inches of rain and melted snow. The year totals 19 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Sierra Brooks itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Vinton, CA (11 mi, snow) and Verdi 2w, CA (13 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.