Frost Dates for Dover, 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. September 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 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 September 21
First Fall Frost May 25
-43.32°N, 147.01°W © OpenStreetMap

Growing Season

269 Days September 7 to June 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° 10° 20°
16°
High: 21°C
Avg: 16°C
Low: 10°C
Jan
16°
High: 21°C
Avg: 16°C
Low: 10°C
Feb
14°
High: 19°C
Avg: 14°C
Low: 9°C
Mar
12°
High: 17°C
Avg: 12°C
Low: 7°C
Apr
10°
High: 15°C
Avg: 10°C
Low: 6°C
May
8°
High: 13°C
Avg: 8°C
Low: 4°C
Jun
8°
High: 12°C
Avg: 8°C
Low: 3°C
Jul
8°
High: 13°C
Avg: 8°C
Low: 4°C
Aug
10°
High: 15°C
Avg: 10°C
Low: 5°C
Sep
11°
High: 16°C
Avg: 11°C
Low: 6°C
Oct
13°
High: 18°C
Avg: 13°C
Low: 8°C
Nov
14°
High: 19°C
Avg: 14°C
Low: 9°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 30 mm 60 mm 90 mm
51 mm
50.8 mm
Jan
46 mm
45.7 mm
Feb
56 mm
55.9 mm
Mar
69 mm
68.6 mm
Apr
66 mm
66.0 mm
May
71 mm
71.1 mm
Jun
89 mm
88.9 mm
Jul
99 mm
99.1 mm
Aug
84 mm
83.8 mm
Sep
76 mm
76.2 mm
Oct
71 mm
71.1 mm
Nov
66 mm
66.0 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 30m
Jun: 7:36 AM – 4:24 PM · 8h 48m
Jul: 7:27 AM – 4:33 PM · 9h 05m
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 33m
Dec: 4:24 AM – 7:36 PM · 15h 12m
Daylight Longest: 15h 13m · Shortest: 8h 47m

Nearby Stations

Geeveston (Cemetery Road), TAS September 29 - April 22 Cape Bruny (Cape Bruny), TAS Cape Bruny Lighthouse, TAS Hartz Mountain (Keoghs Pimple), TAS November 24 - April 3 Grove (Comparison), TAS October 19 - April 13 Bull Bay (Lauriston), TAS

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