Frost Dates for Ross (The Boulevards), 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 15
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 28
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 27
First Fall Frost March 16

Hard Freeze (−2°C)

Last Spring Hard Freeze October 7
First Fall Hard Freeze April 27
-42.02°N, 147.50°W © OpenStreetMap

Growing Season

132 Days November 15 to March 28

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°
18°
High: 25°C
Avg: 18°C
Low: 11°C
Jan
17°
High: 24°C
Avg: 17°C
Low: 11°C
Feb
15°
High: 22°C
Avg: 15°C
Low: 8°C
Mar
12°
High: 18°C
Avg: 12°C
Low: 6°C
Apr
9°
High: 14°C
Avg: 9°C
Low: 3°C
May
7°
High: 12°C
Avg: 7°C
Low: 2°C
Jun
6°
High: 11°C
Avg: 6°C
Low: 1°C
Jul
7°
High: 12°C
Avg: 7°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: 20°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
38 mm
38.1 mm
Jan
38 mm
38.1 mm
Feb
25 mm
25.4 mm
Mar
36 mm
35.6 mm
Apr
25 mm
25.4 mm
May
41 mm
40.6 mm
Jun
38 mm
38.1 mm
Jul
41 mm
40.6 mm
Aug
48 mm
48.3 mm
Sep
46 mm
45.7 mm
Oct
43 mm
43.2 mm
Nov
28 mm
27.9 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec14.5h13.5h12.5h11h9.5h9h9h10.5h11.5h13h14.5h15h
Jan: 4:38 AM – 7:22 PM · 14h 44m
Feb: 5:11 AM – 6:49 PM · 13h 38m
Mar: 5:50 AM – 6:10 PM · 12h 20m
Apr: 6:34 AM – 5:26 PM · 10h 51m
May: 7:11 AM – 4:49 PM · 9h 37m
Jun: 7:31 AM – 4:29 PM · 8h 57m
Jul: 7:23 AM – 4:37 PM · 9h 14m
Aug: 6:51 AM – 5:09 PM · 10h 18m
Sep: 6:08 AM – 5:52 PM · 11h 44m
Oct: 5:25 AM – 6:35 PM · 13h 10m
Nov: 4:47 AM – 7:13 PM · 14h 26m
Dec: 4:28 AM – 7:32 PM · 15h 03m
Daylight Longest: 15h 04m · Shortest: 8h 56m

Nearby Stations

Lake Leake (Elizabeth River), TAS November 16 - March 5 Tunnack Fire Station, TAS November 16 - March 7 Cressy Research Station, TAS November 10 - March 20 Swansea Post Office, TAS August 31 - May 30 Melton Mowbray (North Stockman, TAS October 18 - April 22 Fingal (Legge Street), TAS November 3 - April 8

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