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Saratoga Foothill ClubSaratoga Foothill Club · Photo: EugeneZelenko · CC BY-SA 4.0
Climate in Saratoga · NOAA 1991–2020 normals

Saratoga’s winters are milder and less snowy than most of the U.S.

A typical July afternoon reaches 84°, a January night drops to 39°, and snow is almost unheard of.

Milder January nights than 87% of U.S. towns#521Mildest winters  of 757 in CA
Drier than 88% of U.S. towns#591 driest of 757 in CA
All CA rankings →

A year in Saratoga at a glance

Each month’s typical high and low, and what it brings.

Jan60°39°
Feb63°41° Last frost ~Feb 2Wettest
Mar67°43°
Apr70°44° 1 day 90°+
May75°48° 2 days 90°+
Jun81°51° 5 days 90°+
Jul84°54° 6 days 90°+
Aug84°54° 6 days 90°+
Sep83°52° 6 days 90°+
Oct77°48° 1 day 90°+
Nov now66°42°
Dec59°39° First frost ~Dec 6

What stands out about Saratoga’s climate

Compared with towns across the U.S., with Saratoga’s place in California beside it.

A normal year

What a year in Saratoga feels like

Typical highs and lows by season and by month, from NOAA’s 30-year normals.

Winter
61° / 40°
Snow is rare
Spring
70° / 45°
Last frost around Feb 2
Summer
83° / 53°
27 days reach 90°
Fall
75° / 48°
First frost around Dec 6
Best months to be outsideFebMarAprMayJunJulSepOctNovHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 310 frost-free days a year

In half of years the last 32° night comes by February 2 and the first by December 6. Frost and day counts come from NOAA’s station at Los Gatos, CA, 4 miles from the town’s center, at about the same height.

13
nights at or below 32° in a normal year
448th fewest of 751 in California
Fewer freezing nights than 90% of U.S. towns
0
nights at or below 0°
None in a normal year
27
days that reach 90°
528th most of 751 in California
More 90° days than 59% of U.S. towns
2
days that reach 100°
525th most of 751 in California
More 100° days than 80% of U.S. towns
9bUSDA zone
Plant hardiness zone 9b

The 2023 USDA map puts Saratoga’s center in zone 9b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 29°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

5
JFMAMJJASOND

90° days by month

Average days at 90° or more

6.4
JFMAMJJASOND
Rain & snow

About 23 inches of rain a year

February is the wettest month and July the driest. Rain falls on about 56 days a year. Snow is rare: about 0.0" in a normal year at Los Gatos, CA, so most winters see none.

23"
Rain + melted snow a year
591st driest of 757 in California
Drier than 88% of U.S. towns
0.0"
Snow in a normal winter
Less snow than 93% of U.S. towns

Rain + melted snow by month

Inches of water

4.6"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Saratoga

80% of the work is heating. Months averaging under 55° run from November through March.

2,562 heating degree daysLess heating than 82% of U.S. towns
625 cooling degree daysLess cooling than 76% of U.S. towns

Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Los Gatos, CA.

Living here

Living with Saratoga’s climate

What the numbers mean for a garden, a free afternoon and a bad-weather day.

The garden window

310 frost-free days in zone 9b. The last frost comes by Feb 2 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Dec 6.

Get outside

Months with highs of 62–84° and lows of 40° or more: February, March, April, May, June, July, September, October and November. 17 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Saratoga from natural hazards, earthquakes are the largest share (62%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Saratoga and its neighbors

San Jose the hottest July afternoons (86°, 2° warmer). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.

Alum Rock: January low 39°, July high 86°East Foothills: January low 39°, July high 85°Milpitas: January low 40°, July high 84°Santa Clara: January low 40°, July high 82°Fremont: January low 41°, July high 82°Sunnyvale: January low 41°, July high 80°Morgan Hill: January low 38°, July high 85°Los Altos: January low 40°, July high 82°Monte Sereno: January low 39°, July high 85°San Jose: January low 39°, July high 86°Los Gatos: January low 39°, July high 85°Cupertino: January low 39°, July high 83°Campbell: January low 39°, July high 84°Saratoga: January low 39°, July high 84°SaratogaMonte SerenoSan JoseLos GatosCupertinoCampbell
ColderMilder38° to 41°
Monte Sereno38.7° about the same
Los Gatos38.9° about the same
Saratoga39.0°
San Jose39.2° about the same
Cupertino39.2° about the same
Campbell39.3° about the same

Climates most like Saratoga’s, farther away

TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.

TownJan. lowJuly highPrecip.Snow
Saratoga, CA39°84°23"0.0"
Green, OR37°86°32"0.0"
Sierra Vista Southeast, AZ32°91°15"0.7"
Alpine, TX30°90°15"2.2"
Felida, WA35°81°42"0.8"

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.

Then and now

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°).

+2.0°1991–2020 vs. 1901–2000

A bigger shift than in 88% of U.S. towns.

Winter+1.7°now 50°, was 48°
Spring+2.1°now 58°, was 56°
Summer+2.3°now 68°, was 66°
Fall+1.8°now 61°, was 60°

Change by month

JanFebMarAprMayJunJulAugSepOctNovDec

The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.

Compared with other towns

How Saratoga compares

Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Saratoga’s place among California’s.

Summer heat84° July high
Cooler July afternoons than 61% of U.S. towns237th coolest of 757 in California
Winter cold39° January low
Milder January nights than 87% of U.S. towns521st mildest of 757 in California
Precipitation23" a year
Drier than 88% of U.S. towns591st driest of 757 in California
Snow0.0" a winter
Less snow than 93% of U.S. townsNot ranked: under an inch a year
Hot days27 days at 90°+
More 90° days than 59% of U.S. towns528th most of 751 in California
Freezing nights13 a year
Fewer freezing nights than 90% of U.S. towns448th fewest of 751 in California
Growing season310 frost-free days
A longer frost-free season than 98% of U.S. towns81st longest of 358 in California
Month by month

Saratoga weather by month

Highs, lows and precipitation from NOAA’s grid at Saratoga’s center; snow, wet days and snow on the ground from Los Gatos, CA. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January60°39°4.5"0.0"10046° – 54°
February63°41°4.6"0.0"9048° – 57°
March67°43°3.5"0.0"9050° – 60°
April70°44°1.6"0.0"6053° – 60°
May75°48°0.7"0.0"2057° – 67°
June81°51°0.2"0.0"1062° – 69°
July84°54°0.0"0.0"0066° – 73°
August84°54°0.0"0.0"0067° – 73°
September83°52°0.1"0.0"0064° – 72°
October77°48°0.9"0.0"3060° – 69°
November66°42°2.2"0.0"6048° – 58°
December59°39°4.4"0.0"10045° – 54°
Year72°46°22.7"0.0"560
Year to year

How much a month can swing

A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 48° to 58°. July is the most reliable, staying within 6°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Saratoga’s numbers come from

Normals are 30-year averages, not a forecast. How TownRatings reads climate data →

  • Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Saratoga’s center.
  • Snow: Los Gatos, CA.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Los Gatos, CA, 4 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
  • Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
  • Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
  • Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).

Common questions about Saratoga’s climate

What is the weather like in Saratoga?

A typical July afternoon reaches 84°, a January night drops to 39°, and snow is almost unheard of. Milder January nights than 87% of U.S. towns; cooler July afternoons than 61% of U.S. towns.

How cold does it get in Saratoga in winter?

December nights average 39°. About 13 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 45°.

How much snow does Saratoga get?

About 0.0 inches in a normal winter at Los Gatos, CA, so most winters see none.

How hot does it get in Saratoga?

July, with a typical high of 84° and a low of 54°. About 27 days a year reach 90° and 2 reach 100° (Los Gatos, CA).

When is the first and last frost in Saratoga?

In half of years the last spring frost (32°) comes by February 2 and the first fall frost by December 6, about 310 frost-free days, at Los Gatos, CA.

What growing zone is Saratoga in?

Zone 9b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 29°.

What is the best time of year to visit Saratoga?

By one simple rule (highs of 62–84° and lows of 40° or more), February, March, April, May, June, July, September, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.

Is Saratoga getting warmer?

Yes: 1991–2020 averaged 2.0° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 88% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Saratoga.

Town Square →
Ask your neighbors

Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.