Frost Dates for Del Rey, CA

Based on data from Fresno 5 Ne weather station, 10 miles away

Elevation: 344 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 30
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 10
First Fall Frost December 4

Hard Freeze (28°F)

Last Spring Hard Freeze January 4
First Fall Hard Freeze December 24
36.66°N, 119.59°W © OpenStreetMap

Growing Season

316 Days January 30 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.
BSh Hot Semi-Arid (Steppe)

Hot with low but not negligible rainfall. Less extreme than true desert. Dryland farming techniques and drought-tolerant varieties work well. Mulching and water conservation are key.

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
January61°50°38°
February67°54°42°
March73°59°45°
April79°64°49°
May88°72°56°
June96°79°62°
July102°85°68°
August101°84°67°
September96°79°62°
October85°69°53°
November71°57°44°
December61°49°38°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January5.5
February4.1
March4.5
April3.7
May0.8
June0.0
July0.0
August0.0
September0.0
October0.5
November3.2
December4.5

Sunrise / Sunset

Daylight Pacific Time (PT) Longest: 14h 31m · Shortest: 9h 29m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month Sunrise Sunset Daylight
January7:16 AM5:01 PM9h 45m
February6:54 AM5:33 PM10h 39m
March7:17 AM7:00 PM11h 43m
April6:31 AM7:28 PM12h 57m
May5:56 AM7:54 PM13h 58m
June5:44 AM8:14 PM14h 30m
July5:56 AM8:13 PM14h 17m
August6:21 AM7:45 PM13h 24m
September6:47 AM6:60 PM12h 13m
October7:13 AM6:15 PM11h 02m
November6:44 AM4:44 PM9h 60m
December7:10 AM4:39 PM9h 30m

Nearby Stations

Fresno Yosemite Intl AP, CA January 14 - December 14 Friant Government Camp, CA March 9 - December 1 Madera, CA February 18 - November 27 Auberry 2 Nw, CA March 25 - December 3 Madera Muni AP, CA February 12 - November 30 Hanford Muni AP, CA February 20 - November 23

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