Frost Dates for Trentham, VIC

Based on data from Castlemaine Prison weather station, 22 miles away

Elevation: 703 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. October 3
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 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 October 11
First Fall Frost April 24

Hard Freeze (−2°C)

Last Spring Hard Freeze August 13
First Fall Hard Freeze June 9
37.39°S, 144.32°E © OpenStreetMap

Growing Season

218 Days October 3 to May 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 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.
Cfb Oceanic (Marine West Coast)

Mild year-round with cool summers and wet winters. Excellent for cool-season crops like brassicas, peas, and root vegetables. Extended harvest seasons but summer heat-loving crops may struggle.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January28°21°13°
February28°21°14°
March24°18°11°
April20°14°8°
May16°11°6°
June13°8°4°
July12°8°3°
August13°8°4°
September16°11°5°
October19°13°7°
November23°16°10°
December26°19°11°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January41
February33
March15
April33
May48
June69
July64
August69
September61
October51
November51
December38

Sunrise / Sunset

Daylight Australian Eastern Time (AET) Longest: 14h 33m · Shortest: 9h 27m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Australian Eastern Time (AET))
Month Sunrise Sunset Daylight
January6:24 AM8:41 PM14h 17m
February6:56 AM8:19 PM13h 22m
March7:24 AM7:41 PM12h 17m
April6:52 AM5:54 PM11h 02m
May7:19 AM5:20 PM10h 01m
June7:39 AM5:07 PM9h 28m
July7:38 AM5:19 PM9h 41m
August7:10 AM5:44 PM10h 35m
September6:24 AM6:11 PM11h 47m
October6:39 AM7:38 PM12h 59m
November6:07 AM8:09 PM14h 02m
December6:03 AM8:35 PM14h 32m

Nearby Stations

Redesdale, VICOctober 12 - May 10 Bendigo Airport, VIC September 28 - May 16 Maryborough, VIC September 3 - June 4 Ballarat Aerodrome, VIC October 16 - May 7 Wallan (Kilmore Gap), VIC Melbourne Airport, VIC

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