Frost Dates for Methow 2 S, WA

Elevation: 346 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 21
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 15

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 30
First Fall Frost October 9

Hard Freeze (28°F)

Last Spring Hard Freeze March 28
First Fall Hard Freeze October 26
48.11°N, 120.01°W © OpenStreetMap

Growing Season

177 Days April 21 to October 15

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 6b

Avg. annual minimum: −5 to 0°F

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dsb Warm-Summer Continental (Dry Summer)

Warm, dry summers and cold, snowy winters. Common in mountain regions. Moderate growing season with irrigation needs in summer.

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
January33°27°22°
February40°32°25°
March53°42°32°
April64°51°38°
May73°60°46°
June80°66°52°
July89°73°57°
August88°72°56°
September79°63°48°
October62°50°38°
November44°37°30°
December32°27°22°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January3.0
February2.5
March3.0
April2.2
May2.5
June2.3
July0.9
August0.0
September0.3
October2.6
November2.5
December3.1

Sunrise / Sunset

Daylight Longest: 15h 51m · Shortest: 8h 09m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January7:43 AM4:17 PM8h 34m
February7:01 AM4:59 PM9h 58m
March6:13 AM5:47 PM11h 35m
April5:17 AM6:43 PM13h 25m
May4:31 AM7:29 PM14h 58m
June4:05 AM7:55 PM15h 50m
July4:16 AM7:44 PM15h 29m
August4:57 AM7:03 PM14h 07m
September5:50 AM6:10 PM12h 20m
October6:43 AM5:17 PM10h 33m
November7:31 AM4:29 PM8h 58m
December7:55 AM4:05 PM8h 10m

Nearby Stations

Chief Joseph Dam, WA April 26 - October 11 Chelan, WAApril 17 - October 22 Winthrop 1 Wsw, WA May 15 - September 22 Waterville, WAMay 14 - October 1 Entiat Fish Hatchery, WA April 5 - October 24 Omak AP, WAApril 30 - October 7

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