Frost Dates for Warden, WA

Based on data from Moses Lake Grant Co AP weather station, 21 miles away

Elevation: 1302 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 27
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 8

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 May 2
First Fall Frost October 3

Hard Freeze (28°F)

Last Spring Hard Freeze April 10
First Fall Hard Freeze October 20
46.97°N, 119.04°W © OpenStreetMap

Growing Season

164 Days April 27 to October 8

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 7a

Avg. annual minimum: 0 to 5°F

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
BSk Cold Semi-Arid (Steppe)

Cool to cold with low rainfall and wide temperature swings. Common in the western Great Plains and central Asia. Short growing seasons benefit from season extension techniques.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January36°30°24°
February44°35°27°
March55°43°32°
April64°51°37°
May74°60°45°
June80°66°52°
July90°73°57°
August88°72°56°
September79°63°47°
October63°50°37°
November46°38°29°
December36°30°24°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January2.1
February1.7
March1.8
April2.0
May2.1
June2.1
July0.0
August0.0
September0.4
October1.4
November1.5
December1.7

Sunrise / Sunset

Daylight Pacific Time (PT) Longest: 15h 44m · Shortest: 8h 17m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month Sunrise Sunset Daylight
January7:46 AM4:27 PM8h 41m
February7:11 AM5:13 PM10h 02m
March7:19 AM6:55 PM11h 36m
April6:16 AM7:39 PM13h 23m
May5:27 AM8:20 PM14h 53m
June5:06 AM8:48 PM15h 42m
July5:22 AM8:44 PM15h 22m
August5:60 AM8:03 PM14h 03m
September6:42 AM7:01 PM12h 19m
October7:25 AM6:00 PM10h 36m
November7:11 AM4:14 PM9h 04m
December7:44 AM4:02 PM8h 18m

Nearby Stations

Ephrata Muni AP, WA April 22 - October 17 Quincy, WAApril 21 - October 16 Smyrna, WAApril 23 - October 12 Odessa, WAMay 14 - September 26 Hartline, WAMay 2 - October 12 Lind 3 Ne, WAMay 7 - October 4

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