Frost Dates for Peaceful Valley, WA

Based on data from Clearbrook weather station, 9 miles away

Elevation: 466 ft

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 18
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. October 18

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 27
First Fall Frost October 8

Hard Freeze (28°F)

Last Spring Hard Freeze March 18
First Fall Hard Freeze November 7
48.94°N, 122.15°W © OpenStreetMap

Growing Season

183 Days April 18 to October 18

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.

Temperature

Avg High Avg Temp Avg Low Light Frost (32°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January44°38°32°
February48°40°33°
March53°44°36°
April59°49°39°
May66°55°45°
June70°60°49°
July76°64°51°
August77°63°50°
September71°59°47°
October59°51°42°
November49°43°36°
December43°38°32°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January6.6
February4.7
March5.2
April4.7
May4.8
June3.3
July3.1
August3.9
September5.4
October6.9
November6.8
December6.3

Sunrise / Sunset

Daylight Pacific Time (PT) Longest: 15h 59m · Shortest: 8h 01m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month Sunrise Sunset Daylight
January8:05 AM4:32 PM8h 27m
February7:27 AM5:21 PM9h 54m
March7:32 AM7:06 PM11h 34m
April6:26 AM7:53 PM13h 28m
May5:33 AM8:38 PM15h 04m
June5:11 AM9:08 PM15h 57m
July5:27 AM9:03 PM15h 36m
August6:08 AM8:19 PM14h 11m
September6:54 AM7:14 PM12h 20m
October7:39 AM6:10 PM10h 30m
November7:28 AM4:20 PM8h 52m
December8:04 AM4:06 PM8h 02m

Nearby Stations

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