Frost Dates for Smithton, Australia

Based on data from Smithton Aerodrome 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. September 19
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 13
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 2
First Fall Frost April 29

Hard Freeze (−2°C)

Last Spring Hard Freeze August 1
First Fall Hard Freeze June 2
-40.85°N, 145.13°W © OpenStreetMap

Growing Season

236 Days September 19 to May 13

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

Precipitation

0 mm 50 mm 100 mm
36 mm
35.6 mm
Jan
33 mm
33.0 mm
Feb
56 mm
55.9 mm
Mar
64 mm
63.5 mm
Apr
89 mm
88.9 mm
May
97 mm
96.5 mm
Jun
119 mm
119.4 mm
Jul
122 mm
121.9 mm
Aug
97 mm
96.5 mm
Sep
71 mm
71.1 mm
Oct
58 mm
58.4 mm
Nov
58 mm
58.4 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec14.5h13.5h12.5h11h9.5h9h9.5h10.5h11.5h13h14.5h15h
Jan: 4:41 AM – 7:19 PM · 14h 37m
Feb: 5:13 AM – 6:47 PM · 13h 34m
Mar: 5:50 AM – 6:10 PM · 12h 20m
Apr: 6:33 AM – 5:27 PM · 10h 54m
May: 7:08 AM – 4:52 PM · 9h 43m
Jun: 7:27 AM – 4:33 PM · 9h 05m
Jul: 7:20 AM – 4:40 PM · 9h 21m
Aug: 6:49 AM – 5:11 PM · 10h 22m
Sep: 6:08 AM – 5:52 PM · 11h 45m
Oct: 5:26 AM – 6:34 PM · 13h 07m
Nov: 4:50 AM – 7:10 PM · 14h 20m
Dec: 4:32 AM – 7:28 PM · 14h 55m
Daylight Longest: 14h 56m · Shortest: 9h 04m

Nearby Stations

Marrawah, Australia Luncheon Hill (Forestry), Australia September 4 - June 9 Cape Grim Baps, Australia Wynyard Airport, Australia October 2 - May 6 Burnie (Round Hill), Australia Mount Read, Australia December 10 - February 24

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