Frost Dates for Wapato, WA

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 21
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 15
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 28
First Fall Frost October 10

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze March 31
First Fall Hard Freeze October 26
46.44°N, -120.42°W © OpenStreetMap

Growing Season

177 Days April 21 to October 15

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 7a

Learn more

Temperature

20° 40° 60° 80° 100°
32°
High: 39°
Avg: 32°
Low: 24°
Jan
37°
High: 48°
Avg: 37°
Low: 26°
Feb
45°
High: 57°
Avg: 45°
Low: 33°
Mar
52°
High: 65°
Avg: 52°
Low: 39°
Apr
61°
High: 75°
Avg: 61°
Low: 47°
May
67°
High: 81°
Avg: 67°
Low: 53°
Jun
75°
High: 90°
Avg: 75°
Low: 59°
Jul
73°
High: 89°
Avg: 73°
Low: 58°
Aug
65°
High: 80°
Avg: 65°
Low: 49°
Sep
52°
High: 66°
Avg: 52°
Low: 37°
Oct
39°
High: 50°
Avg: 39°
Low: 29°
Nov
31°
High: 39°
Avg: 31°
Low: 23°
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"
2.64"
Jan
1.7"
1.72"
Feb
1.9"
1.90"
Mar
1.6"
1.61"
Apr
1.9"
1.93"
May
1.9"
1.89"
Jun
0.0"
0.00"
Jul
0.0"
0.00"
Aug
1.4"
1.44"
Sep
1.9"
1.86"
Oct
1.9"
1.92"
Nov
2.8"
2.80"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h12h13h15h16h15h14h12h11h9h8h
Jan: 7:37 AM – 4:23 PM · 8h 47m
Feb: 6:58 AM – 5:02 PM · 10h 05m
Mar: 6:12 AM – 5:48 PM · 11h 36m
Apr: 5:20 AM – 6:40 PM · 13h 20m
May: 4:36 AM – 7:24 PM · 14h 48m
Jun: 4:12 AM – 7:48 PM · 15h 36m
Jul: 4:22 AM – 7:38 PM · 15h 16m
Aug: 5:00 AM – 6:60 PM · 13h 60m
Sep: 5:51 AM – 6:09 PM · 12h 19m
Oct: 6:41 AM – 5:19 PM · 10h 38m
Nov: 7:26 AM – 4:34 PM · 9h 09m
Dec: 7:48 AM – 4:12 PM · 8h 24m
Daylight Longest: 15h 37m · Shortest: 8h 23m

Nearby Stations

Yakima Air Terminal, WA May 8 - October 4 Yakima #2, WAApril 8 - October 23 Moxee City 10 E, WA May 4 - October 10 Selah 2 Ne, WAMay 5 - October 4 Sunnyside #2, WA April 30 - October 8 Sunnyside, WAMay 1 - October 6

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