Frost Dates for Yongala, 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. October 10
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 15
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 19
First Fall Frost May 6

Hard Freeze (−2°C)

Last Spring Hard Freeze September 5
First Fall Hard Freeze May 31
-33.03°N, 138.75°W © OpenStreetMap

Growing Season

217 Days October 10 to May 15

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 9a

Avg. annual minimum: 20 to 25°F (−7 to −4°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

BSk Cold Semi-Arid (Steppe)

Cool to cold with low rainfall and wide temperature swings. Common in the western Great Plains and central Asia. Short growing seasons benefit from season extension techniques.

Köppen climate map

Temperature

0° 10° 20° 30°
23°
High: 32°C
Avg: 23°C
Low: 14°C
Jan
23°
High: 31°C
Avg: 23°C
Low: 14°C
Feb
19°
High: 27°C
Avg: 19°C
Low: 11°C
Mar
15°
High: 23°C
Avg: 15°C
Low: 7°C
Apr
11°
High: 18°C
Avg: 11°C
Low: 5°C
May
9°
High: 14°C
Avg: 9°C
Low: 3°C
Jun
8°
High: 13°C
Avg: 8°C
Low: 2°C
Jul
9°
High: 15°C
Avg: 9°C
Low: 3°C
Aug
12°
High: 19°C
Avg: 12°C
Low: 4°C
Sep
15°
High: 23°C
Avg: 15°C
Low: 6°C
Oct
18°
High: 26°C
Avg: 18°C
Low: 10°C
Nov
21°
High: 29°C
Avg: 21°C
Low: 12°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 10 mm 20 mm 30 mm 40 mm
28 mm
27.9 mm
Jan
15 mm
15.2 mm
Feb
5 mm
5.1 mm
Mar
18 mm
17.8 mm
Apr
15 mm
15.2 mm
May
30 mm
30.5 mm
Jun
30 mm
30.5 mm
Jul
25 mm
25.4 mm
Aug
30 mm
30.5 mm
Sep
28 mm
27.9 mm
Oct
30 mm
30.5 mm
Nov
18 mm
17.8 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec14h13h12h11h10.5h10h10h11h12h13h13.5h14h
Jan: 5:01 AM – 6:59 PM · 13h 57m
Feb: 5:25 AM – 6:35 PM · 13h 11m
Mar: 5:53 AM – 6:07 PM · 12h 15m
Apr: 6:25 AM – 5:35 PM · 11h 10m
May: 6:51 AM – 5:09 PM · 10h 18m
Jun: 7:05 AM – 4:55 PM · 9h 50m
Jul: 6:59 AM – 5:01 PM · 10h 01m
Aug: 6:37 AM – 5:23 PM · 10h 47m
Sep: 6:06 AM – 5:54 PM · 11h 48m
Oct: 5:35 AM – 6:25 PM · 12h 51m
Nov: 5:08 AM – 6:52 PM · 13h 44m
Dec: 4:55 AM – 7:05 PM · 14h 10m
Daylight Longest: 14h 11m · Shortest: 9h 49m

Nearby Stations

Port Pirie Nyrstar Comparison, SA Clare High School, SA August 29 - May 31 Yunta Airstrip, SA September 12 - May 12 Snowtown (Rayville Park), SA October 3 - May 30 Port Augusta Aero, SA August 7 - June 11 Whyalla Aero, SA August 7 - June 15

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