Saratoga, CA climate
Saratoga has mild winters and pleasant summers, with very little rain. A typical July afternoon reaches 84°, a January night drops to 39°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Saratoga feels like
Winter
Spring
Summer
Fall
Saratoga 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 | 60° | 39° | 4.5" | 0 | 10 | 0 | 46° – 54° |
| February | 63° | 41° | 4.6" | 0 | 9 | 0 | 48° – 57° |
| March | 67° | 43° | 3.5" | 0 | 9 | 0 | 50° – 60° |
| April | 70° | 44° | 1.6" | 0 | 6 | 0 | 53° – 60° |
| May | 75° | 48° | 0.7" | 0 | 2 | 0 | 57° – 67° |
| June | 81° | 51° | 0.2" | 0 | 1 | 0 | 62° – 69° |
| July | 84° | 54° | 0.0" | 0 | 0 | 0 | 66° – 73° |
| August | 84° | 54° | 0.0" | 0 | 0 | 0 | 67° – 73° |
| September | 83° | 52° | 0.1" | 0 | 0 | 0 | 64° – 72° |
| October | 77° | 48° | 0.9" | 0 | 3 | 0 | 60° – 69° |
| November | 66° | 42° | 2.2" | 0 | 6 | 0 | 48° – 58° |
| December | 59° | 39° | 4.4" | 0 | 10 | 0 | 45° – 54° |
| Year | 72° | 46° | 22.7" | 0.0" | 56 | 0 |
“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 Saratoga
Saratoga gets 23 inches of rain and melted snow a year. February is the wettest month and July the driest. Rain or snow falls on about 56 days a year.
About 310 frost-free days a year
In half of years the last 32° night comes by February 2 and the first one by December 6. That leaves about 310 frost-free days for gardens, longer than 95% of U.S. towns.
Heating and cooling a home in Saratoga
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Saratoga, 80% of that work is heating and 20% 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.
Saratoga and its neighbors
Saratoga borders 5 towns with climate data. January nights across them vary by 0.6°. Monte Sereno has the coldest January nights (39°) and San Jose the hottest July afternoons (86°). Saratoga’s January low is 39° and its July high 84°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Saratoga 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 Saratoga averaged 2.0° warmer than the 1900s. The biggest change is in August (+2.5°). The shift is larger than in 93% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Saratoga’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. November swings the most: between 1991 and 2020 its average temperature ranged from 48° to 58°. July is the most reliable, staying within 6°.
Common questions about Saratoga’s climate
What is the coldest month in Saratoga?
December, with a typical high of 59° and a low of 39°.
What is the hottest month in Saratoga?
August, with a typical high of 84° and a low of 54°. About 27 days a year reach 90°.
How much snow does Saratoga get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Saratoga?
In half of years the first 32° night comes by December 6, and the last spring frost by February 2.
What is the rainiest month in Saratoga?
February, with 4.6 inches of rain and melted snow. The year totals 23 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Saratoga itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Los Gatos, CA (4 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.