Frost Dates for Jarrahwood, WA

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 25
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 16
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 8
First Fall Frost May 7

Hard Freeze (−2°C)

Last Spring Hard Freeze July 26
First Fall Hard Freeze June 1
-33.80°N, 115.67°W © OpenStreetMap

Growing Season

233 Days September 25 to May 16

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.

Csb Warm-Summer Mediterranean

Warm, dry summers and mild, wet winters. Similar to hot-summer Mediterranean but cooler. Great for a wide range of vegetables and fruit trees with moderate water needs.

Köppen climate map

Temperature

0° 10° 20° 30°
21°
High: 30°C
Avg: 21°C
Low: 13°C
Jan
22°
High: 30°C
Avg: 22°C
Low: 13°C
Feb
20°
High: 28°C
Avg: 20°C
Low: 12°C
Mar
17°
High: 24°C
Avg: 17°C
Low: 9°C
Apr
13°
High: 20°C
Avg: 13°C
Low: 6°C
May
11°
High: 18°C
Avg: 11°C
Low: 5°C
Jun
11°
High: 17°C
Avg: 11°C
Low: 5°C
Jul
11°
High: 17°C
Avg: 11°C
Low: 5°C
Aug
12°
High: 18°C
Avg: 12°C
Low: 6°C
Sep
14°
High: 21°C
Avg: 14°C
Low: 7°C
Oct
17°
High: 24°C
Avg: 17°C
Low: 10°C
Nov
19°
High: 28°C
Avg: 19°C
Low: 11°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 50 mm 100 mm 150 mm 200 mm
13 mm
12.7 mm
Jan
3 mm
2.5 mm
Feb
18 mm
17.8 mm
Mar
41 mm
40.6 mm
Apr
119 mm
119.4 mm
May
157 mm
157.5 mm
Jun
191 mm
190.5 mm
Jul
150 mm
149.9 mm
Aug
114 mm
114.3 mm
Sep
48 mm
48.3 mm
Oct
41 mm
40.6 mm
Nov
13 mm
12.7 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec14h13h12.5h11h10h10h10h10.5h12h13h14h14h
Jan: 4:60 AM – 7:00 PM · 14h 01m
Feb: 5:24 AM – 6:36 PM · 13h 13m
Mar: 5:52 AM – 6:08 PM · 12h 15m
Apr: 6:25 AM – 5:35 PM · 11h 09m
May: 6:53 AM – 5:07 PM · 10h 15m
Jun: 7:07 AM – 4:53 PM · 9h 46m
Jul: 7:01 AM – 4:59 PM · 9h 58m
Aug: 6:38 AM – 5:22 PM · 10h 44m
Sep: 6:06 AM – 5:54 PM · 11h 48m
Oct: 5:34 AM – 6:26 PM · 12h 52m
Nov: 5:06 AM – 6:54 PM · 13h 48m
Dec: 4:53 AM – 7:07 PM · 14h 14m
Daylight Longest: 14h 15m · Shortest: 9h 45m

Nearby Stations

Busselton Aero, WA Donnybrook, WAJuly 30 - June 10 Bridgetown, WA September 15 - June 4 Bridgetown Comparison, WA August 17 - June 5 Bunbury, WA Witchcliffe, WA

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