Valley Ranch, CA climate
Valley Ranch has chilly, snowy winters and warm summers. A typical July afternoon reaches 87°, a January night drops to 23°, and about 38 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Valley Ranch feels like
Winter
Spring
Summer
Fall
Valley Ranch 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 | 45° | 23° | 5.3" | 11.7" | 9 | 9 | 26° – 40° |
| February | 49° | 25° | 5.2" | 7.6" | 9 | 6 | 30° – 45° |
| March | 54° | 28° | 4.4" | 6.4" | 8 | 5 | 33° – 47° |
| April | 60° | 31° | 2.3" | 1.8" | 6 | 1 | 40° – 50° |
| May | 69° | 38° | 1.5" | 0.2" | 6 | 0 | 44° – 60° |
| June | 79° | 43° | 0.6" | 0 | 3 | 0 | 56° – 66° |
| July | 87° | 48° | 0.2" | 0 | 1 | 0 | 63° – 72° |
| August | 86° | 46° | 0.2" | 0 | 1 | 0 | 63° – 70° |
| September | 80° | 41° | 0.4" | 0.1" | 2 | 0 | 57° – 64° |
| October | 68° | 33° | 1.7" | 0.4" | 4 | 0 | 47° – 55° |
| November | 53° | 28° | 3.0" | 2.4" | 6 | 1 | 31° – 46° |
| December | 43° | 23° | 5.5" | 7.2" | 8 | 6 | 28° – 37° |
| Year | 64° | 34° | 30.3" | 37.8" | 62 | 29 |
“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 Valley Ranch
Valley Ranch gets 30 inches of rain and melted snow a year. December is the wettest month and July the driest. Rain or snow falls on about 62 days a year. Snow covers the ground about 29 days of the year.
About 91 frost-free days a year
In half of years the last 32° night comes by June 11 and the first one by September 10. That leaves about 91 frost-free days for gardens, shorter than 99% of U.S. towns.
Heating and cooling a home in Valley Ranch
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Valley Ranch, 98% of that work is heating and 2% 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.
Valley Ranch and its neighbors
Valley Ranch borders 3 towns with climate data. January nights across them vary by 0.7°. Gold Mountain has the coldest January nights (23°) and Whitehawk the hottest July afternoons (87°). Valley Ranch’s January low is 23° and its July high 87°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Valley Ranch 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 Valley Ranch averaged 1.3° warmer than the 1900s. The biggest change is in January (+2.3°). The shift is larger than in 59% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Valley Ranch’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. May swings the most: between 1991 and 2020 its average temperature ranged from 44° to 60°. August is the most reliable, staying within 7°.
Common questions about Valley Ranch’s climate
What is the coldest month in Valley Ranch?
December, with a typical high of 43° and a low of 23°.
What is the hottest month in Valley Ranch?
July, with a typical high of 87° and a low of 48°. About 22 days a year reach 90°.
How much snow does Valley Ranch get?
About 38 inches in a normal winter, most of it in January.
When is the first frost in Valley Ranch?
In half of years the first 32° night comes by September 10, and the last spring frost by June 11.
What is the rainiest month in Valley Ranch?
December, with 5.5 inches of rain and melted snow. The year totals 30 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Valley Ranch itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Portola, CA (7 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.