Frost Dates for Mount Gambier Aero, SA

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. August 22
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. June 6
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 September 9
First Fall Frost May 30
-37.75°N, 140.77°W © OpenStreetMap

Growing Season

288 Days August 22 to June 6

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 10a

Avg. annual minimum: 30 to 35°F (−1 to 2°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°
19°
High: 26°C
Avg: 19°C
Low: 12°C
Jan
19°
High: 26°C
Avg: 19°C
Low: 12°C
Feb
17°
High: 24°C
Avg: 17°C
Low: 11°C
Mar
15°
High: 20°C
Avg: 15°C
Low: 9°C
Apr
12°
High: 16°C
Avg: 12°C
Low: 8°C
May
10°
High: 14°C
Avg: 10°C
Low: 6°C
Jun
10°
High: 14°C
Avg: 10°C
Low: 6°C
Jul
10°
High: 15°C
Avg: 10°C
Low: 6°C
Aug
11°
High: 16°C
Avg: 11°C
Low: 7°C
Sep
13°
High: 19°C
Avg: 13°C
Low: 8°C
Oct
15°
High: 21°C
Avg: 15°C
Low: 9°C
Nov
17°
High: 24°C
Avg: 17°C
Low: 10°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 50 mm 100 mm
20 mm
20.3 mm
Jan
20 mm
20.3 mm
Feb
30 mm
30.5 mm
Mar
48 mm
48.3 mm
Apr
79 mm
78.7 mm
May
99 mm
99.1 mm
Jun
102 mm
101.6 mm
Jul
102 mm
101.6 mm
Aug
76 mm
76.2 mm
Sep
56 mm
55.9 mm
Oct
51 mm
50.8 mm
Nov
41 mm
40.6 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: 6:30 AM – 5:30 PM · 11h 01m
May: 7:01 AM – 4:59 PM · 9h 58m
Jun: 7:18 AM – 4:42 PM · 9h 24m
Jul: 7:11 AM – 4:49 PM · 9h 38m
Aug: 6:44 AM – 5:16 PM · 10h 32m
Sep: 6:07 AM – 5:53 PM · 11h 46m
Oct: 5:30 AM – 6:30 PM · 13h 00m
Nov: 4:58 AM – 7:02 PM · 14h 05m
Dec: 4:42 AM – 7:18 PM · 14h 36m
Daylight Longest: 14h 37m · Shortest: 9h 23m

Nearby Stations

Coonawarra, SA September 1 - May 15 Casterton Showgrounds, VIC September 17 - May 22 Naracoorte Aerodrome, SA October 11 - May 11 Portland (Cashmore Airport), VIC August 12 - June 20 Cape Nelson Lighthouse, VIC Robe Comparison, SA

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