Frost Dates for East Wenatchee, WA

Based on data from Wenatchee weather station, 1 miles away

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. April 4
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. October 28
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly 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 10
First Fall Frost October 23

Hard Freeze (28°F)

Last Spring Hard Freeze March 13
First Fall Hard Freeze November 10
47.42°N, -120.29°W © OpenStreetMap

Growing Season

207 Days April 4 to October 28

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 7b

Avg. annual minimum: 5 to 10°F (−15 to −12°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Dsa Hot-Summer Continental (Dry Summer)

Hot, dry summers and cold, wet winters. A continental version of Mediterranean climate. Summer irrigation is essential; cold-hardy crops grow well in the wet season.

Köppen climate map

Temperature

20° 40° 60° 80°
31°
High: 36°F
Avg: 31°F
Low: 26°F
Jan
36°
High: 44°F
Avg: 36°F
Low: 28°F
Feb
44°
High: 54°F
Avg: 44°F
Low: 33°F
Mar
52°
High: 64°F
Avg: 52°F
Low: 40°F
Apr
61°
High: 73°F
Avg: 61°F
Low: 49°F
May
68°
High: 80°F
Avg: 68°F
Low: 56°F
Jun
76°
High: 89°F
Avg: 76°F
Low: 62°F
Jul
75°
High: 88°F
Avg: 75°F
Low: 61°F
Aug
66°
High: 79°F
Avg: 66°F
Low: 52°F
Sep
52°
High: 63°F
Avg: 52°F
Low: 41°F
Oct
39°
High: 47°F
Avg: 39°F
Low: 32°F
Nov
31°
High: 36°F
Avg: 31°F
Low: 26°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 2.8"
2.6"
2.65"
Jan
2.2"
2.24"
Feb
2.3"
2.27"
Mar
1.8"
1.80"
Apr
2.1"
2.08"
May
1.9"
1.87"
Jun
0.0"
0.00"
Jul
0.0"
0.00"
Aug
0.2"
0.20"
Sep
1.8"
1.84"
Oct
2.4"
2.38"
Nov
2.8"
2.79"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h15.5h15.5h14h12.5h10.5h9h8.5h
Jan: 7:40 AM – 4:20 PM · 8h 39m
Feb: 6:60 AM – 5:00 PM · 10h 01m
Mar: 6:12 AM – 5:48 PM · 11h 35m
Apr: 5:18 AM – 6:42 PM · 13h 23m
May: 4:33 AM – 7:27 PM · 14h 54m
Jun: 4:08 AM – 7:52 PM · 15h 44m
Jul: 4:18 AM – 7:42 PM · 15h 23m
Aug: 4:58 AM – 7:02 PM · 14h 04m
Sep: 5:50 AM – 6:10 PM · 12h 19m
Oct: 6:42 AM – 5:18 PM · 10h 35m
Nov: 7:29 AM – 4:31 PM · 9h 02m
Dec: 7:52 AM – 4:08 PM · 8h 16m
Daylight Longest: 15h 45m · Shortest: 8h 15m

Nearby Stations

Wenatchee Pangborn AP, WA April 8 - October 24 Entiat Fish Hatchery, WA April 5 - October 24 Waterville, WAMay 14 - October 1 Leavenworth 3 S, WA May 10 - September 30 Quincy, WAApril 21 - October 16 Plain, WAMay 22 - September 22

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