Frost Dates for Orleans, CA

Elevation: 123 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. March 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. November 26

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 March 26
First Fall Frost November 13

Hard Freeze (28°F)

Last Spring Hard Freeze January 28
First Fall Hard Freeze December 17
41.31°N, 123.53°W © OpenStreetMap

Growing Season

259 Days March 12 to November 26

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 9a

Avg. annual minimum: 20 to 25°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.

Temperature

Avg High Avg Temp Avg Low Light Frost (32°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January50°43°37°
February55°47°39°
March62°51°41°
April68°56°43°
May77°62°48°
June83°68°52°
July92°74°57°
August91°73°56°
September86°69°52°
October71°59°46°
November56°49°42°
December48°43°37°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January10.6
February7.9
March8.2
April6.4
May4.6
June2.5
July0.0
August0.0
September1.6
October7.4
November8.3
December12.3

Sunrise / Sunset

Daylight Longest: 14h 59m · Shortest: 9h 01m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January7:20 AM4:40 PM9h 20m
February6:48 AM5:12 PM10h 24m
March6:10 AM5:50 PM11h 40m
April5:26 AM6:34 PM13h 07m
May4:50 AM7:10 PM14h 19m
June4:31 AM7:29 PM14h 58m
July4:39 AM7:21 PM14h 42m
August5:10 AM6:50 PM13h 40m
September5:52 AM6:08 PM12h 16m
October6:34 AM5:26 PM10h 52m
November7:11 AM4:49 PM9h 38m
December7:29 AM4:31 PM9h 02m

Nearby Stations

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