Frost Dates for Hartz Mountain (Keoghs Pimple), 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 24
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. April 3
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 December 6
First Fall Frost March 13

Hard Freeze (−2°C)

Last Spring Hard Freeze September 8
First Fall Hard Freeze June 10
-43.20°N, 146.77°W © OpenStreetMap

Growing Season

129 Days November 24 to April 3

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° 5° 10° 15° 20°
12°
High: 18°C
Avg: 12°C
Low: 7°C
Jan
12°
High: 17°C
Avg: 12°C
Low: 7°C
Feb
11°
High: 15°C
Avg: 11°C
Low: 6°C
Mar
8°
High: 11°C
Avg: 8°C
Low: 5°C
Apr
6°
High: 8°C
Avg: 6°C
Low: 3°C
May
5°
High: 7°C
Avg: 5°C
Low: 2°C
Jun
4°
High: 6°C
Avg: 4°C
Low: 1°C
Jul
4°
High: 7°C
Avg: 4°C
Low: 1°C
Aug
5°
High: 9°C
Avg: 5°C
Low: 2°C
Sep
7°
High: 11°C
Avg: 7°C
Low: 3°C
Oct
9°
High: 14°C
Avg: 9°C
Low: 5°C
Nov
10°
High: 15°C
Avg: 10°C
Low: 5°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 50 mm 100 mm
69 mm
68.6 mm
Jan
71 mm
71.1 mm
Feb
76 mm
76.2 mm
Mar
76 mm
76.2 mm
Apr
91 mm
91.4 mm
May
99 mm
99.1 mm
Jun
109 mm
109.2 mm
Jul
124 mm
124.5 mm
Aug
102 mm
101.6 mm
Sep
94 mm
94.0 mm
Oct
71 mm
71.1 mm
Nov
86 mm
86.4 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec15h13.5h12.5h11h9.5h9h9h10h11.5h13h14.5h15h
Jan: 4:34 AM – 7:26 PM · 14h 52m
Feb: 5:09 AM – 6:51 PM · 13h 43m
Mar: 5:49 AM – 6:11 PM · 12h 21m
Apr: 6:36 AM – 5:24 PM · 10h 48m
May: 7:15 AM – 4:45 PM · 9h 31m
Jun: 7:35 AM – 4:25 PM · 8h 49m
Jul: 7:27 AM – 4:33 PM · 9h 06m
Aug: 6:53 AM – 5:07 PM · 10h 13m
Sep: 6:08 AM – 5:52 PM · 11h 43m
Oct: 5:23 AM – 6:37 PM · 13h 13m
Nov: 4:44 AM – 7:16 PM · 14h 32m
Dec: 4:24 AM – 7:36 PM · 15h 11m
Daylight Longest: 15h 12m · Shortest: 8h 48m

Nearby Stations

Geeveston (Cemetery Road), TAS September 29 - April 22 Dover, TASSeptember 7 - June 3 Grove (Comparison), TAS October 19 - April 13 Scotts Peak Dam, TAS September 16 - May 31 Cape Bruny (Cape Bruny), TAS Cape Bruny Lighthouse, TAS

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