Frost Dates for Santa Clara, CA

Based on data from San Jose weather station, 2 miles away

Elevation: 75 ft

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. January 12
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. December 22

30% Probability

Only a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.
Last Spring Frost January 26
First Fall Frost December 12

Hard Freeze (28°F)

Last Spring Hard Freeze December 31
First Fall Hard Freeze December 28
37.35°N, 121.96°W © OpenStreetMap

Growing Season

345 Days January 12 to December 22

USDA Hardiness Zone

Hardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.
Zone 10a

Avg. annual minimum: 30 to 35°F

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Csb Warm-Summer Mediterranean

Warm, dry summers and mild, wet winters. Similar to hot-summer Mediterranean but cooler. Great for a wide range of vegetables and fruit trees with moderate water needs.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January60°51°42°
February62°53°44°
March66°56°46°
April69°59°48°
May74°63°52°
June79°67°56°
July81°70°58°
August81°70°59°
September81°69°57°
October76°64°53°
November66°56°46°
December60°51°42°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January3.5
February3.4
March3.7
April3.0
May0.8
June0.0
July0.0
August0.0
September0.0
October0.9
November2.3
December3.7

Sunrise / Sunset

Daylight Pacific Time (PT) Longest: 14h 35m · Shortest: 9h 25m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month Sunrise Sunset Daylight
January7:26 AM5:08 PM9h 42m
February7:04 AM5:41 PM10h 37m
March7:26 AM7:09 PM11h 43m
April6:39 AM7:37 PM12h 58m
May6:04 AM8:04 PM14h 00m
June5:51 AM8:25 PM14h 34m
July6:03 AM8:23 PM14h 20m
August6:29 AM7:55 PM13h 26m
September6:55 AM7:09 PM12h 14m
October7:23 AM6:23 PM11h 01m
November6:54 AM4:51 PM9h 57m
December7:20 AM4:47 PM9h 26m

Nearby Stations

San Jose, CA January 2 - December 25 Moffett Federal Airfield, CA January 6 - December 23 Los Gatos, CA February 2 - December 6 Newark, CAJanuary 1 - December 27 Palo Alto, CA February 1 - December 7 Fremont, CA January 7 - December 22

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