Frost Dates for Narrabri Airport Aws, 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. August 20
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 30
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 August 27
First Fall Frost May 22

Hard Freeze (−2°C)

Last Spring Hard Freeze August 6
First Fall Hard Freeze June 15
-30.32°N, 149.83°W © OpenStreetMap

Growing Season

283 Days August 20 to May 30

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.

Cfa Humid Subtropical

Hot, humid summers and mild winters with rain year-round. Long growing seasons support a wide variety of vegetables, fruits, and ornamentals. The most common climate in the eastern US.

Köppen climate map

Temperature

0° 10° 20° 30° 40°
28°
High: 35°C
Avg: 28°C
Low: 21°C
Jan
27°
High: 34°C
Avg: 27°C
Low: 20°C
Feb
24°
High: 31°C
Avg: 24°C
Low: 17°C
Mar
20°
High: 27°C
Avg: 20°C
Low: 12°C
Apr
15°
High: 22°C
Avg: 15°C
Low: 7°C
May
12°
High: 19°C
Avg: 12°C
Low: 6°C
Jun
11°
High: 18°C
Avg: 11°C
Low: 4°C
Jul
12°
High: 20°C
Avg: 12°C
Low: 5°C
Aug
16°
High: 24°C
Avg: 16°C
Low: 8°C
Sep
20°
High: 29°C
Avg: 20°C
Low: 12°C
Oct
24°
High: 32°C
Avg: 24°C
Low: 16°C
Nov
26°
High: 33°C
Avg: 26°C
Low: 19°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 20 mm 40 mm 60 mm 80 mm
71 mm
71.1 mm
Jan
61 mm
61.0 mm
Feb
58 mm
58.4 mm
Mar
15 mm
15.2 mm
Apr
20 mm
20.3 mm
May
43 mm
43.2 mm
Jun
30 mm
30.5 mm
Jul
20 mm
20.3 mm
Aug
23 mm
22.9 mm
Sep
30 mm
30.5 mm
Oct
64 mm
63.5 mm
Nov
76 mm
76.2 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec14h13h12h11.5h10.5h10h10h11h12h13h13.5h14h
Jan: 5:07 AM – 6:53 PM · 13h 45m
Feb: 5:28 AM – 6:32 PM · 13h 04m
Mar: 5:53 AM – 6:07 PM · 12h 13m
Apr: 6:22 AM – 5:38 PM · 11h 15m
May: 6:46 AM – 5:14 PM · 10h 28m
Jun: 6:58 AM – 5:02 PM · 10h 03m
Jul: 6:53 AM – 5:07 PM · 10h 13m
Aug: 6:33 AM – 5:27 PM · 10h 54m
Sep: 6:05 AM – 5:55 PM · 11h 50m
Oct: 5:37 AM – 6:23 PM · 12h 45m
Nov: 5:13 AM – 6:47 PM · 13h 34m
Dec: 5:02 AM – 6:58 PM · 13h 57m
Daylight Longest: 13h 58m · Shortest: 10h 02m

Nearby Stations

Barraba Post Office, NSW September 26 - May 9 Gunnedah Airport Aws, NSW September 8 - May 16 Gunnedah Pool, NSW August 20 - June 13 Gunnedah Resource Centre, NSW August 3 - June 17 Moree Aero, NSWAugust 12 - June 9 Coonabarabran (Namoi Street), NSW October 5 - May 4

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