Frost Dates for Shelley, WA

Based on data from Jandakot Aero weather station, 5 miles away

Elevation: 7 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. August 17
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. June 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 September 1
First Fall Frost May 31
32.03°S, 115.89°E © OpenStreetMap

Growing Season

296 Days August 17 to June 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 10a

Avg. annual minimum: −1 to 2°C

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
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January31°24°17°
February32°24°17°
March30°23°15°
April26°19°12°
May22°16°9°
June19°13°8°
July18°13°7°
August19°13°7°
September20°14°8°
October23°17°10°
November26°20°13°
December29°22°15°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January13
February8
March10
April30
May91
June137
July163
August137
September91
October38
November23
December0

Sunrise / Sunset

Daylight Australian Western Standard Time (AWST) Longest: 14h 06m · Shortest: 9h 54m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Australian Western Standard Time (AWST))
Month Sunrise Sunset Daylight
January5:29 AM7:22 PM13h 53m
February5:57 AM7:05 PM13h 08m
March6:19 AM6:33 PM12h 14m
April6:41 AM5:53 PM11h 12m
May7:02 AM5:23 PM10h 21m
June7:19 AM5:14 PM9h 55m
July7:19 AM5:25 PM10h 05m
August6:56 AM5:45 PM10h 49m
September6:17 AM6:05 PM11h 49m
October5:37 AM6:26 PM12h 49m
November5:11 AM6:52 PM13h 41m
December5:09 AM7:15 PM14h 06m

Nearby Stations

Gosnells City, WA Medina Research Centre, WA Swanbourne, WA Perth Metro, WA Perth Airport, WA Garden Island Hsf, WA

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