Frost Dates for Cressy Research Station, TAS

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. November 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. March 20
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 November 25
First Fall Frost March 4

Hard Freeze (−2°C)

Last Spring Hard Freeze September 16
First Fall Hard Freeze May 9
-41.73°N, 147.08°W © OpenStreetMap

Growing Season

129 Days November 10 to March 20

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.

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° 30°
18°
High: 25°C
Avg: 18°C
Low: 10°C
Jan
18°
High: 25°C
Avg: 18°C
Low: 11°C
Feb
16°
High: 23°C
Avg: 16°C
Low: 8°C
Mar
12°
High: 18°C
Avg: 12°C
Low: 6°C
Apr
9°
High: 15°C
Avg: 9°C
Low: 3°C
May
7°
High: 12°C
Avg: 7°C
Low: 2°C
Jun
7°
High: 12°C
Avg: 7°C
Low: 2°C
Jul
8°
High: 13°C
Avg: 8°C
Low: 2°C
Aug
9°
High: 15°C
Avg: 9°C
Low: 4°C
Sep
11°
High: 17°C
Avg: 11°C
Low: 5°C
Oct
14°
High: 21°C
Avg: 14°C
Low: 7°C
Nov
16°
High: 23°C
Avg: 16°C
Low: 9°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 20 mm 40 mm 60 mm 80 mm
33 mm
33.0 mm
Jan
15 mm
15.2 mm
Feb
38 mm
38.1 mm
Mar
43 mm
43.2 mm
Apr
56 mm
55.9 mm
May
61 mm
61.0 mm
Jun
74 mm
73.7 mm
Jul
64 mm
63.5 mm
Aug
64 mm
63.5 mm
Sep
58 mm
58.4 mm
Oct
48 mm
48.3 mm
Nov
43 mm
43.2 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec14.5h13.5h12.5h11h9.5h9h9.5h10.5h11.5h13h14.5h15h
Jan: 4:39 AM – 7:21 PM · 14h 42m
Feb: 5:11 AM – 6:49 PM · 13h 37m
Mar: 5:50 AM – 6:10 PM · 12h 20m
Apr: 6:34 AM – 5:26 PM · 10h 52m
May: 7:11 AM – 4:49 PM · 9h 39m
Jun: 7:30 AM – 4:30 PM · 8h 59m
Jul: 7:22 AM – 4:38 PM · 9h 15m
Aug: 6:51 AM – 5:09 PM · 10h 19m
Sep: 6:08 AM – 5:52 PM · 11h 44m
Oct: 5:25 AM – 6:35 PM · 13h 09m
Nov: 4:48 AM – 7:12 PM · 14h 24m
Dec: 4:29 AM – 7:31 PM · 15h 01m
Daylight Longest: 15h 02m · Shortest: 8h 58m

Nearby Stations

Launceston Airport, TAS October 5 - May 3 Launceston (Ti Tree Bend), TAS September 12 - May 13 Liawenee, TAS December 23 - January 14 Ross (The Boulevards), TAS November 15 - March 28 Lake Leake (Elizabeth River), TAS November 16 - March 5 Scottsdale (West Minstone Road, TAS September 25 - May 24

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