Frost Dates for Grays Rvr Hatchery, 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 27
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 22
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 May 4
First Fall Frost October 15

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze March 25
First Fall Hard Freeze November 12
46.39°N, -123.56°W © OpenStreetMap

Growing Season

178 Days April 27 to October 22

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 8b

Learn more

Temperature

30° 50° 70°
42°
High: 50°
Avg: 42°
Low: 34°
Jan
44°
High: 54°
Avg: 44°
Low: 33°
Feb
45°
High: 56°
Avg: 45°
Low: 35°
Mar
49°
High: 61°
Avg: 49°
Low: 38°
Apr
55°
High: 67°
Avg: 55°
Low: 43°
May
58°
High: 70°
Avg: 58°
Low: 46°
Jun
63°
High: 77°
Avg: 63°
Low: 50°
Jul
63°
High: 77°
Avg: 63°
Low: 50°
Aug
60°
High: 74°
Avg: 60°
Low: 46°
Sep
52°
High: 64°
Avg: 52°
Low: 41°
Oct
45°
High: 55°
Avg: 45°
Low: 36°
Nov
42°
High: 49°
Avg: 42°
Low: 34°
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 5" 10" 15" 18.2"
16.1"
16.12"
Jan
12.6"
12.57"
Feb
12.6"
12.62"
Mar
10.2"
10.15"
Apr
7.5"
7.55"
May
5.5"
5.47"
Jun
4.0"
3.97"
Jul
5.9"
5.88"
Aug
8.8"
8.81"
Sep
12.9"
12.93"
Oct
17.5"
17.51"
Nov
18.2"
18.24"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h12h13h15h16h15h14h12h11h9h8h
Jan: 7:36 AM – 4:24 PM · 8h 47m
Feb: 6:57 AM – 5:03 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 47m
Jun: 4:12 AM – 7:48 PM · 15h 35m
Jul: 4:22 AM – 7:38 PM · 15h 16m
Aug: 5:00 AM – 6:60 PM · 13h 59m
Sep: 5:51 AM – 6:09 PM · 12h 19m
Oct: 6:41 AM – 5:19 PM · 10h 38m
Nov: 7:25 AM – 4:35 PM · 9h 09m
Dec: 7:48 AM – 4:12 PM · 8h 25m
Daylight Longest: 15h 37m · Shortest: 8h 23m

Nearby Stations

Naselle 2 Ene, WA April 24 - October 20 Raymond 2 S, WA April 26 - October 17 Astoria Rgnl AP, OR March 26 - November 11 Long Beach Exp Stn, WA April 6 - October 26 Ft Clatsop Natl Mem, OR March 30 - November 18 Clatskanie, OR April 24 - October 24

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