Frost Dates for Orange Agricultural Institute, NSW

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. October 4
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 18
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 14
First Fall Frost May 7

Hard Freeze (−2°C)

Last Spring Hard Freeze August 16
First Fall Hard Freeze June 12
-33.32°N, 149.08°W © OpenStreetMap

Growing Season

226 Days October 4 to May 18

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°
20°
High: 27°C
Avg: 20°C
Low: 14°C
Jan
19°
High: 26°C
Avg: 19°C
Low: 13°C
Feb
17°
High: 23°C
Avg: 17°C
Low: 11°C
Mar
13°
High: 19°C
Avg: 13°C
Low: 7°C
Apr
9°
High: 14°C
Avg: 9°C
Low: 4°C
May
7°
High: 11°C
Avg: 7°C
Low: 3°C
Jun
6°
High: 10°C
Avg: 6°C
Low: 2°C
Jul
7°
High: 11°C
Avg: 7°C
Low: 2°C
Aug
10°
High: 15°C
Avg: 10°C
Low: 4°C
Sep
12°
High: 18°C
Avg: 12°C
Low: 7°C
Oct
15°
High: 21°C
Avg: 15°C
Low: 9°C
Nov
18°
High: 24°C
Avg: 18°C
Low: 11°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 50 mm 100 mm
81 mm
81.3 mm
Jan
86 mm
86.4 mm
Feb
58 mm
58.4 mm
Mar
33 mm
33.0 mm
Apr
46 mm
45.7 mm
May
84 mm
83.8 mm
Jun
102 mm
101.6 mm
Jul
94 mm
94.0 mm
Aug
76 mm
76.2 mm
Sep
69 mm
68.6 mm
Oct
86 mm
86.4 mm
Nov
91 mm
91.4 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec14h13h12h11h10.5h10h10h11h12h13h14h14h
Jan: 5:01 AM – 6:59 PM · 13h 59m
Feb: 5:24 AM – 6:36 PM · 13h 11m
Mar: 5:53 AM – 6:07 PM · 12h 15m
Apr: 6:25 AM – 5:35 PM · 11h 10m
May: 6:52 AM – 5:08 PM · 10h 17m
Jun: 7:06 AM – 4:54 PM · 9h 48m
Jul: 7:00 AM – 4:60 PM · 9h 60m
Aug: 6:37 AM – 5:23 PM · 10h 46m
Sep: 6:06 AM – 5:54 PM · 11h 48m
Oct: 5:34 AM – 6:26 PM · 12h 51m
Nov: 5:07 AM – 6:53 PM · 13h 46m
Dec: 4:54 AM – 7:06 PM · 14h 12m
Daylight Longest: 14h 13m · Shortest: 9h 47m

Nearby Stations

Orange Airport Comparison, NSW October 20 - April 29 Orange Airport Aws, NSW October 20 - April 24 Bathurst Agricultural Station, NSW October 13 - April 29 Bathurst Airport Aws, NSW October 9 - April 30 Cowra Research Centre (Evans S, NSW August 17 - June 7 Cowra Airport Comparison, NSW September 28 - May 17

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