Frost Dates for Jarrahwood, WA

Elevation: 130 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. September 25
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. May 16

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 October 8
First Fall Frost May 7

Hard Freeze (−2°C)

Last Spring Hard Freeze July 26
First Fall Hard Freeze June 1
33.80°S, 115.67°E © OpenStreetMap

Growing Season

233 Days September 25 to May 16

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: −4 to −1°C

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.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January30°21°13°
February30°22°13°
March28°20°12°
April24°17°9°
May20°13°6°
June18°11°5°
July17°11°5°
August17°11°5°
September18°12°6°
October21°14°7°
November24°17°10°
December28°19°11°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January13
February3
March18
April41
May119
June157
July191
August150
September114
October48
November41
December13

Sunrise / Sunset

Daylight Longest: 14h 15m · Shortest: 9h 45m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January4:60 AM7:00 PM14h 01m
February5:24 AM6:36 PM13h 13m
March5:52 AM6:08 PM12h 15m
April6:25 AM5:35 PM11h 09m
May6:53 AM5:07 PM10h 15m
June7:07 AM4:53 PM9h 46m
July7:01 AM4:59 PM9h 58m
August6:38 AM5:22 PM10h 44m
September6:06 AM5:54 PM11h 48m
October5:34 AM6:26 PM12h 52m
November5:06 AM6:54 PM13h 48m
December4:53 AM7:07 PM14h 14m

Nearby Stations

Busselton Aero, WA Donnybrook, WAJuly 30 - June 10 Bridgetown, WA September 15 - June 4 Bridgetown Comparison, WA August 17 - June 5 Bunbury, WA Witchcliffe, WA

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview