Frost Dates for Mount Magnet 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.

-28.12°N, 117.84°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 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.

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.

Temperature

15° 25° 35°
31°
High: 38°C
Avg: 31°C
Low: 24°C
Jan
30°
High: 37°C
Avg: 30°C
Low: 23°C
Feb
27°
High: 33°C
Avg: 27°C
Low: 20°C
Mar
23°
High: 29°C
Avg: 23°C
Low: 16°C
Apr
18°
High: 24°C
Avg: 18°C
Low: 11°C
May
14°
High: 20°C
Avg: 14°C
Low: 8°C
Jun
13°
High: 19°C
Avg: 13°C
Low: 7°C
Jul
15°
High: 21°C
Avg: 15°C
Low: 8°C
Aug
18°
High: 25°C
Avg: 18°C
Low: 11°C
Sep
22°
High: 30°C
Avg: 22°C
Low: 15°C
Oct
26°
High: 33°C
Avg: 26°C
Low: 18°C
Nov
29°
High: 36°C
Avg: 29°C
Low: 21°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 10 mm 20 mm 30 mm
18 mm
17.8 mm
Jan
28 mm
27.9 mm
Feb
28 mm
27.9 mm
Mar
8 mm
7.6 mm
Apr
8 mm
7.6 mm
May
10 mm
10.2 mm
Jun
20 mm
20.3 mm
Jul
5 mm
5.1 mm
Aug
0 mm
0.0 mm
Sep
0 mm
0.0 mm
Oct
0 mm
0.0 mm
Nov
13 mm
12.7 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec13.5h13h12h11.5h10.5h10h10.5h11h12h12.5h13.5h14h
Jan: 5:12 AM – 6:48 PM · 13h 36m
Feb: 5:31 AM – 6:29 PM · 12h 58m
Mar: 5:54 AM – 6:06 PM · 12h 12m
Apr: 6:20 AM – 5:40 PM · 11h 19m
May: 6:42 AM – 5:18 PM · 10h 36m
Jun: 6:53 AM – 5:07 PM · 10h 13m
Jul: 6:49 AM – 5:11 PM · 10h 23m
Aug: 6:30 AM – 5:30 PM · 10h 60m
Sep: 6:05 AM – 5:55 PM · 11h 51m
Oct: 5:39 AM – 6:21 PM · 12h 41m
Nov: 5:17 AM – 6:43 PM · 13h 26m
Dec: 5:07 AM – 6:53 PM · 13h 47m
Daylight Longest: 13h 47m · Shortest: 10h 13m

Nearby Stations

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview