Frost Dates for Skamania Fish 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 29
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 5
First Fall Frost October 10

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze March 28
First Fall Hard Freeze November 14
45.62°N, -122.22°W © OpenStreetMap

Growing Season

176 Days April 29 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° 90°
39°
High: 44°
Avg: 39°
Low: 33°
Jan
41°
High: 49°
Avg: 41°
Low: 33°
Feb
44°
High: 54°
Avg: 44°
Low: 35°
Mar
49°
High: 59°
Avg: 49°
Low: 38°
Apr
55°
High: 67°
Avg: 55°
Low: 43°
May
59°
High: 71°
Avg: 59°
Low: 47°
Jun
65°
High: 79°
Avg: 65°
Low: 50°
Jul
65°
High: 80°
Avg: 65°
Low: 50°
Aug
60°
High: 74°
Avg: 60°
Low: 46°
Sep
52°
High: 62°
Avg: 52°
Low: 41°
Oct
44°
High: 51°
Avg: 44°
Low: 37°
Nov
39°
High: 44°
Avg: 39°
Low: 33°
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 4" 8" 12" 13.2"
11.8"
11.84"
Jan
10.0"
9.98"
Feb
10.4"
10.40"
Mar
8.4"
8.40"
Apr
6.8"
6.82"
May
5.8"
5.82"
Jun
3.5"
3.48"
Jul
3.8"
3.84"
Aug
6.9"
6.94"
Sep
10.2"
10.21"
Oct
13.2"
13.17"
Nov
12.9"
12.93"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h12h13h15h15h15h14h12h11h9h9h
Jan: 7:34 AM – 4:26 PM · 8h 52m
Feb: 6:56 AM – 5:04 PM · 10h 08m
Mar: 6:12 AM – 5:48 PM · 11h 37m
Apr: 5:21 AM – 6:39 PM · 13h 18m
May: 4:39 AM – 7:21 PM · 14h 43m
Jun: 4:15 AM – 7:45 PM · 15h 29m
Jul: 4:25 AM – 7:35 PM · 15h 10m
Aug: 5:02 AM – 6:58 PM · 13h 56m
Sep: 5:51 AM – 6:09 PM · 12h 18m
Oct: 6:40 AM – 5:20 PM · 10h 40m
Nov: 7:23 AM – 4:37 PM · 9h 14m
Dec: 7:45 AM – 4:15 PM · 8h 31m
Daylight Longest: 15h 31m · Shortest: 8h 30m

Nearby Stations

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