Frost Dates for Carlsbad, CA

Based on data from Oceanside Muni AP weather station, 4 miles away

Elevation: 52 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 23
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 11

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 4
First Fall Frost December 1

Hard Freeze (28°F)

Last Spring Hard Freeze December 31
First Fall Hard Freeze December 23
33.16°N, 117.35°W © OpenStreetMap

Growing Season

323 Days January 23 to December 11

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.
BSk Cold Semi-Arid (Steppe)

Cool to cold with low rainfall and wide temperature swings. Common in the western Great Plains and central Asia. Short growing seasons benefit from season extension techniques.

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
January67°54°41°
February66°54°42°
March66°56°46°
April69°58°48°
May70°62°54°
June73°65°58°
July77°69°62°
August78°70°62°
September78°69°59°
October75°64°53°
November71°57°44°
December66°53°40°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January3.7
February2.5
March1.6
April1.2
May0.9
June0.0
July0.0
August0.0
September0.0
October0.3
November1.1
December3.1

Sunrise / Sunset

Daylight Pacific Time (PT) Longest: 14h 12m · Shortest: 9h 48m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month Sunrise Sunset Daylight
January6:58 AM4:60 PM10h 02m
February6:40 AM5:28 PM10h 49m
March7:06 AM6:52 PM11h 45m
April6:25 AM7:15 PM12h 50m
May5:54 AM7:37 PM13h 43m
June5:44 AM7:55 PM14h 11m
July5:55 AM7:55 PM13h 60m
August6:17 AM7:31 PM13h 14m
September6:38 AM6:50 PM12h 12m
October6:60 AM6:09 PM11h 09m
November6:27 AM4:42 PM10h 15m
December6:51 AM4:40 PM9h 49m

Nearby Stations

Oceanside Marina, CA Camp Pendleton Mcas, CA February 16 - December 8 Vista, CAJanuary 30 - January 7 Carlsbad Palomar AP, CA Escondido #2, CA January 2 - December 30 Fallbrook 5 Ne, CA February 2 - January 30

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