Frost Dates for Elkhorn, CA

Based on data from Watsonville Wtr Wks weather station, 8 miles away

Elevation: 10 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 28
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 13

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 February 12
First Fall Frost December 4

Hard Freeze (28°F)

Last Spring Hard Freeze January 2
First Fall Hard Freeze December 26
36.82°N, 121.74°W © OpenStreetMap

Growing Season

320 Days January 28 to December 13

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 9b

Avg. annual minimum: 25 to 30°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 Light Frost (32°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January62°51°40°
February63°53°42°
March65°54°43°
April68°56°45°
May69°59°49°
June71°61°52°
July71°63°54°
August72°64°55°
September74°64°53°
October74°61°49°
November68°56°43°
December62°51°39°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January7.9
February6.4
March5.5
April4.0
May1.6
June0.0
July0.0
August0.0
September0.0
October2.2
November6.0
December7.5

Sunrise / Sunset

Daylight Pacific Time (PT) Longest: 14h 32m · Shortest: 9h 28m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month Sunrise Sunset Daylight
January7:24 AM5:08 PM9h 44m
February7:03 AM5:41 PM10h 38m
March7:25 AM7:08 PM11h 43m
April6:39 AM7:36 PM12h 57m
May6:04 AM8:03 PM13h 59m
June5:52 AM8:23 PM14h 31m
July6:04 AM8:22 PM14h 18m
August6:29 AM7:54 PM13h 25m
September6:55 AM7:08 PM12h 13m
October7:21 AM6:23 PM11h 02m
November6:53 AM4:52 PM9h 59m
December7:19 AM4:47 PM9h 29m

Nearby Stations

Watsonville Muni AP, CA January 31 - December 9 Gilroy, CA February 24 - November 27 Santa Cruz, CA January 29 - December 13 Salinas #2, CA February 4 - December 6 Hollister 2, CA February 19 - December 1 Ben Lomond #4, CA March 25 - November 11

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