Frost Dates for Santa Maria Public AP, CA

Elevation: 74 m

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. February 4
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 18
First Fall Frost December 5

Hard Freeze (28°F)

Last Spring Hard Freeze January 5
First Fall Hard Freeze December 27
34.90°N, 120.45°W © OpenStreetMap

Growing Season

313 Days February 4 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
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January65°53°41°
February65°54°43°
March66°55°44°
April68°57°45°
May69°59°49°
June71°61°52°
July73°64°55°
August74°64°55°
September75°64°54°
October75°62°50°
November70°57°44°
December64°52°40°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January5.8
February5.1
March4.5
April2.5
May0.0
June0.0
July0.0
August0.0
September0.0
October0.6
November2.7
December4.2

Sunrise / Sunset

Daylight Pacific Time (PT) Longest: 14h 21m · Shortest: 9h 39m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month Sunrise Sunset Daylight
January7:14 AM5:08 PM9h 54m
February6:54 AM5:38 PM10h 44m
March7:19 AM7:04 PM11h 44m
April6:35 AM7:29 PM12h 53m
May6:03 AM7:53 PM13h 50m
June5:52 AM8:12 PM14h 20m
July6:04 AM8:11 PM14h 08m
August6:27 AM7:45 PM13h 19m
September6:50 AM7:02 PM12h 12m
October7:14 AM6:20 PM11h 06m
November6:43 AM4:51 PM10h 08m
December7:08 AM4:48 PM9h 40m

Nearby Stations

Twitchell Dam, CA February 4 - December 4 Lompoc, CA January 20 - December 19 Pismo Beach, CA February 1 - January 4 San Luis Obispo AP, CA January 31 - December 11 San Luis Obispo Poly, CA January 16 - December 25 Cachuma Lake, CA April 11 - November 8

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview