Frost Dates for Telfer Aero, WA

Frost Dates

This location never reaches freezing temperatures, so you can plant year-round!

In tropical and subtropical climates, the main challenge isn’t frost — it’s heat and humidity. Learn more about gardening in tropical climates.

-21.71°N, 122.23°W © OpenStreetMap

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 11a

Avg. annual minimum: 40 to 45°F (4 to 7°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

BWh Hot Desert

Very hot and extremely dry with minimal rainfall. Irrigation is essential for any gardening. Heat-tolerant crops and desert-adapted plants thrive; shade structures help in peak summer.

Köppen climate map

Temperature

10° 20° 30° 40°
33°
High: 40°C
Avg: 33°C
Low: 26°C
Jan
32°
High: 39°C
Avg: 32°C
Low: 26°C
Feb
31°
High: 38°C
Avg: 31°C
Low: 25°C
Mar
28°
High: 35°C
Avg: 28°C
Low: 21°C
Apr
22°
High: 29°C
Avg: 22°C
Low: 15°C
May
19°
High: 26°C
Avg: 19°C
Low: 12°C
Jun
18°
High: 26°C
Avg: 18°C
Low: 11°C
Jul
21°
High: 29°C
Avg: 21°C
Low: 13°C
Aug
25°
High: 33°C
Avg: 25°C
Low: 17°C
Sep
30°
High: 38°C
Avg: 30°C
Low: 22°C
Oct
32°
High: 40°C
Avg: 32°C
Low: 24°C
Nov
33°
High: 41°C
Avg: 33°C
Low: 26°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 30 mm 60 mm 90 mm
71 mm
71.1 mm
Jan
94 mm
94.0 mm
Feb
79 mm
78.7 mm
Mar
13 mm
12.7 mm
Apr
18 mm
17.8 mm
May
8 mm
7.6 mm
Jun
8 mm
7.6 mm
Jul
5 mm
5.1 mm
Aug
0 mm
0.0 mm
Sep
0 mm
0.0 mm
Oct
5 mm
5.1 mm
Nov
43 mm
43.2 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec13h12.5h12h11.5h11h10.5h11h11.5h12h12.5h13h13.5h
Jan: 5:24 AM – 6:36 PM · 13h 11m
Feb: 5:38 AM – 6:22 PM · 12h 43m
Mar: 5:56 AM – 6:04 PM · 12h 09m
Apr: 6:15 AM – 5:45 PM · 11h 30m
May: 6:31 AM – 5:29 PM · 10h 58m
Jun: 6:40 AM – 5:20 PM · 10h 41m
Jul: 6:36 AM – 5:24 PM · 10h 48m
Aug: 6:22 AM – 5:38 PM · 11h 15m
Sep: 6:04 AM – 5:56 PM · 11h 53m
Oct: 5:45 AM – 6:15 PM · 12h 31m
Nov: 5:28 AM – 6:32 PM · 13h 04m
Dec: 5:20 AM – 6:40 PM · 13h 19m
Daylight Longest: 13h 20m · Shortest: 10h 40m

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