Frost Dates for Trentham, Australia

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

Frost Dates

Last Spring Frost (50%) iA 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%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. May 9
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly 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°N, 144.32°W © OpenStreetMap

Growing Season

218 Days October 3 to May 9

USDA Hardiness Zone iHardiness 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: 25 to 30°F (−4 to −1°C)

Learn more

Köppen Climate iThe 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

0° 10° 20° 30°
21°
High: 28°C
Avg: 21°C
Low: 13°C
Jan
21°
High: 28°C
Avg: 21°C
Low: 14°C
Feb
18°
High: 24°C
Avg: 18°C
Low: 11°C
Mar
14°
High: 20°C
Avg: 14°C
Low: 8°C
Apr
11°
High: 16°C
Avg: 11°C
Low: 6°C
May
8°
High: 13°C
Avg: 8°C
Low: 4°C
Jun
8°
High: 12°C
Avg: 8°C
Low: 3°C
Jul
8°
High: 13°C
Avg: 8°C
Low: 4°C
Aug
11°
High: 16°C
Avg: 11°C
Low: 5°C
Sep
13°
High: 19°C
Avg: 13°C
Low: 7°C
Oct
16°
High: 23°C
Avg: 16°C
Low: 10°C
Nov
19°
High: 26°C
Avg: 19°C
Low: 11°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 20 mm 40 mm 60 mm
41 mm
40.6 mm
Jan
33 mm
33.0 mm
Feb
15 mm
15.2 mm
Mar
33 mm
33.0 mm
Apr
48 mm
48.3 mm
May
69 mm
68.6 mm
Jun
64 mm
63.5 mm
Jul
69 mm
68.6 mm
Aug
61 mm
61.0 mm
Sep
51 mm
50.8 mm
Oct
51 mm
50.8 mm
Nov
38 mm
38.1 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec14.5h13.5h12.5h11h10h9.5h9.5h10.5h12h13h14h14.5h
Jan: 4:52 AM – 7:08 PM · 14h 17m
Feb: 5:19 AM – 6:41 PM · 13h 22m
Mar: 5:51 AM – 6:09 PM · 12h 17m
Apr: 6:29 AM – 5:31 PM · 11h 02m
May: 6:60 AM – 5:00 PM · 10h 01m
Jun: 7:16 AM – 4:44 PM · 9h 28m
Jul: 7:09 AM – 4:51 PM · 9h 41m
Aug: 6:43 AM – 5:17 PM · 10h 35m
Sep: 6:07 AM – 5:53 PM · 11h 47m
Oct: 5:31 AM – 6:29 PM · 12h 59m
Nov: 4:59 AM – 7:01 PM · 14h 02m
Dec: 4:44 AM – 7:16 PM · 14h 32m
Daylight Longest: 14h 33m · Shortest: 9h 27m

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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