Frost Dates for Mayfield Pwr Plt, WA

Elevation: 85 m

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. April 7
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. November 13

30% Probability

Only 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 April 24
First Fall Frost November 5

Hard Freeze (28°F)

Last Spring Hard Freeze March 6
First Fall Hard Freeze December 1
46.50°N, 122.59°W © OpenStreetMap

Growing Season

220 Days April 7 to November 13

USDA Hardiness Zone

Hardiness 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 8a

Avg. annual minimum: 10 to 15°F

Learn more

Köppen Climate

The 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

Avg High Avg Temp Avg Low Light Frost (32°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January45°39°33°
February49°41°34°
March54°45°35°
April60°49°39°
May69°56°43°
June72°60°48°
July81°66°51°
August81°66°52°
September74°61°48°
October62°52°43°
November51°44°38°
December44°39°34°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January7.8
February6.6
March6.9
April6.4
May5.9
June4.0
July2.5
August2.6
September3.9
October6.2
November8.4
December9.0

Sunrise / Sunset

Daylight Longest: 15h 38m · Shortest: 8h 22m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January7:37 AM4:23 PM8h 46m
February6:58 AM5:02 PM10h 05m
March6:12 AM5:48 PM11h 36m
April5:20 AM6:40 PM13h 21m
May4:36 AM7:24 PM14h 48m
June4:12 AM7:48 PM15h 36m
July4:22 AM7:38 PM15h 16m
August5:00 AM6:60 PM13h 60m
September5:51 AM6:09 PM12h 19m
October6:41 AM5:19 PM10h 38m
November7:26 AM4:34 PM9h 08m
December7:48 AM4:12 PM8h 24m

Nearby Stations

Toledo Faa AP, WA April 5 - October 25 Glenoma, WAApril 24 - October 15 Centralia, WA April 22 - October 27 Longview, WAApril 8 - November 5 Olympia AP, WA April 29 - October 14 Cougar 6 E, WA April 1 - November 18

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