Frost Dates for Ash Mtn, CA

Elevation: 521 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. December 9

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 31
First Fall Frost December 1

Hard Freeze (28°F)

Last Spring Hard Freeze January 15
First Fall Hard Freeze December 23
36.49°N, 118.83°W © OpenStreetMap

Growing Season

272 Days March 12 to December 9

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.
Csa Hot-Summer Mediterranean

Hot, dry summers and mild, wet winters. Classic Mediterranean climate ideal for grapes, olives, tomatoes, and herbs. Summer irrigation is usually necessary.

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
January58°48°38°
February60°50°41°
March64°54°43°
April69°57°45°
May79°66°54°
June90°76°62°
July97°83°69°
August97°82°68°
September91°77°63°
October79°66°53°
November66°55°44°
December57°47°38°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January7.6
February6.8
March7.4
April4.6
May3.7
June0.0
July0.0
August0.0
September0.0
October2.8
November5.5
December6.5

Sunrise / Sunset

Daylight Longest: 14h 30m · Shortest: 9h 30m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January7:07 AM4:53 PM9h 46m
February6:40 AM5:20 PM10h 40m
March6:08 AM5:52 PM11h 43m
April5:32 AM6:28 PM12h 56m
May5:02 AM6:58 PM13h 57m
June4:46 AM7:14 PM14h 29m
July4:52 AM7:08 PM14h 16m
August5:18 AM6:42 PM13h 24m
September5:53 AM6:07 PM12h 13m
October6:29 AM5:31 PM11h 03m
November6:60 AM5:00 PM10h 01m
December7:14 AM4:46 PM9h 31m

Nearby Stations

Three Rivers Edison Ph 1, CA March 16 - November 26 Lodgepole, CA June 8 - September 20 Lemon Cove, CA February 5 - December 8 Grant Grove, CAJune 1 - October 7 Lindsay, CA February 20 - November 30 Visalia, CA January 23 - December 13

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