Frost Dates for Whyalla Stuart, Australia

Based on data from Whyalla Aero weather station, 2 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. August 7
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 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 August 14
First Fall Frost June 9
-33.02°N, 137.52°W © OpenStreetMap

Growing Season

312 Days August 7 to June 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 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.

BSh Hot Semi-Arid (Steppe)

Hot with low but not negligible rainfall. Less extreme than true desert. Dryland farming techniques and drought-tolerant varieties work well. Mulching and water conservation are key.

Köppen climate map

Temperature

5° 15° 25° 35°
24°
High: 31°C
Avg: 24°C
Low: 18°C
Jan
24°
High: 30°C
Avg: 24°C
Low: 18°C
Feb
21°
High: 27°C
Avg: 21°C
Low: 16°C
Mar
18°
High: 24°C
Avg: 18°C
Low: 12°C
Apr
15°
High: 20°C
Avg: 15°C
Low: 9°C
May
12°
High: 17°C
Avg: 12°C
Low: 6°C
Jun
11°
High: 17°C
Avg: 11°C
Low: 5°C
Jul
12°
High: 19°C
Avg: 12°C
Low: 6°C
Aug
15°
High: 22°C
Avg: 15°C
Low: 8°C
Sep
18°
High: 24°C
Avg: 18°C
Low: 11°C
Oct
21°
High: 27°C
Avg: 21°C
Low: 14°C
Nov
22°
High: 28°C
Avg: 22°C
Low: 16°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 10 mm 20 mm 30 mm
18 mm
17.8 mm
Jan
15 mm
15.2 mm
Feb
5 mm
5.1 mm
Mar
5 mm
5.1 mm
Apr
8 mm
7.6 mm
May
23 mm
22.9 mm
Jun
5 mm
5.1 mm
Jul
0 mm
0.0 mm
Aug
18 mm
17.8 mm
Sep
13 mm
12.7 mm
Oct
20 mm
20.3 mm
Nov
23 mm
22.9 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 Port Augusta Aero, SA August 7 - June 11 Snowtown (Rayville Park), SA October 3 - May 30 Kimba, SA Nonning, SAAugust 16 - May 30 Yongala, SAOctober 10 - May 15

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