Frost Dates for Casterton, Australia

Based on data from Casterton Showgrounds weather station, 1 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. September 17
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 22
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 1
First Fall Frost May 12
-37.58°N, 141.40°W © OpenStreetMap

Growing Season

247 Days September 17 to May 22

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.

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

5° 15° 25°
20°
High: 27°C
Avg: 20°C
Low: 12°C
Jan
20°
High: 28°C
Avg: 20°C
Low: 12°C
Feb
18°
High: 25°C
Avg: 18°C
Low: 11°C
Mar
14°
High: 21°C
Avg: 14°C
Low: 8°C
Apr
12°
High: 17°C
Avg: 12°C
Low: 7°C
May
10°
High: 14°C
Avg: 10°C
Low: 6°C
Jun
9°
High: 14°C
Avg: 9°C
Low: 5°C
Jul
10°
High: 15°C
Avg: 10°C
Low: 5°C
Aug
12°
High: 17°C
Avg: 12°C
Low: 6°C
Sep
13°
High: 19°C
Avg: 13°C
Low: 7°C
Oct
16°
High: 22°C
Avg: 16°C
Low: 9°C
Nov
18°
High: 25°C
Avg: 18°C
Low: 10°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 30 mm 60 mm 90 mm
33 mm
33.0 mm
Jan
18 mm
17.8 mm
Feb
30 mm
30.5 mm
Mar
38 mm
38.1 mm
Apr
58 mm
58.4 mm
May
79 mm
78.7 mm
Jun
81 mm
81.3 mm
Jul
76 mm
76.2 mm
Aug
79 mm
78.7 mm
Sep
53 mm
53.3 mm
Oct
33 mm
33.0 mm
Nov
30 mm
30.5 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec14.5h13.5h12.5h11h10h9.5h9.5h10.5h12h13h14h14.5h
Jan: 4:50 AM – 7:10 PM · 14h 20m
Feb: 5:18 AM – 6:42 PM · 13h 24m
Mar: 5:51 AM – 6:09 PM · 12h 17m
Apr: 6:29 AM – 5:31 PM · 11h 01m
May: 7:01 AM – 4:59 PM · 9h 59m
Jun: 7:18 AM – 4:42 PM · 9h 25m
Jul: 7:11 AM – 4:49 PM · 9h 39m
Aug: 6:44 AM – 5:16 PM · 10h 33m
Sep: 6:07 AM – 5:53 PM · 11h 46m
Oct: 5:30 AM – 6:30 PM · 12h 60m
Nov: 4:58 AM – 7:02 PM · 14h 04m
Dec: 4:42 AM – 7:18 PM · 14h 35m
Daylight Longest: 14h 36m · Shortest: 9h 24m

Nearby Stations

Hamilton Airport, VIC September 7 - June 3 Mount Gambier Aero, SA August 22 - June 6 Coonawarra, SA September 1 - May 15 Portland (Cashmore Airport), VIC August 12 - June 20 Naracoorte Aerodrome, SA October 11 - May 11 Cape Nelson Lighthouse, VIC

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