Frost Dates for Katanning Comparison, 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. August 17
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 10
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 30
First Fall Frost June 7
-33.69°N, 117.56°W © OpenStreetMap

Growing Season

297 Days August 17 to June 10

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 10a

Avg. annual minimum: 30 to 35°F (−1 to 2°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

5° 15° 25° 35°
22°
High: 30°C
Avg: 22°C
Low: 14°C
Jan
22°
High: 30°C
Avg: 22°C
Low: 14°C
Feb
20°
High: 27°C
Avg: 20°C
Low: 13°C
Mar
17°
High: 24°C
Avg: 17°C
Low: 11°C
Apr
14°
High: 20°C
Avg: 14°C
Low: 8°C
May
11°
High: 16°C
Avg: 11°C
Low: 6°C
Jun
10°
High: 15°C
Avg: 10°C
Low: 5°C
Jul
11°
High: 16°C
Avg: 11°C
Low: 6°C
Aug
12°
High: 18°C
Avg: 12°C
Low: 6°C
Sep
15°
High: 21°C
Avg: 15°C
Low: 8°C
Oct
18°
High: 25°C
Avg: 18°C
Low: 10°C
Nov
20°
High: 28°C
Avg: 20°C
Low: 12°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 20 mm 40 mm 60 mm 80 mm
13 mm
12.7 mm
Jan
3 mm
2.5 mm
Feb
13 mm
12.7 mm
Mar
23 mm
22.9 mm
Apr
43 mm
43.2 mm
May
66 mm
66.0 mm
Jun
76 mm
76.2 mm
Jul
66 mm
66.0 mm
Aug
51 mm
50.8 mm
Sep
18 mm
17.8 mm
Oct
25 mm
25.4 mm
Nov
13 mm
12.7 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec14h13h12.5h11h10.5h10h10h10.5h12h13h14h14h
Jan: 4:60 AM – 7:00 PM · 14h 00m
Feb: 5:24 AM – 6:36 PM · 13h 12m
Mar: 5:52 AM – 6:08 PM · 12h 15m
Apr: 6:25 AM – 5:35 PM · 11h 09m
May: 6:52 AM – 5:08 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 45m
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 47m
Dec: 4:53 AM – 7:07 PM · 14h 14m
Daylight Longest: 14h 14m · Shortest: 9h 46m

Nearby Stations

Katanning, WA Wagin, WAAugust 15 - June 12 Narrogin, WAAugust 15 - June 10 Ongerup, WA Lake Grace Comparison, WA Lake Grace, WAAugust 24 - June 19

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