Frost Dates for Scappoose Ind AP, OR

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 10
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. November 2
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 19
First Fall Frost October 26

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze March 3
First Fall Hard Freeze November 19
45.77°N, -122.86°W © OpenStreetMap

Growing Season

206 Days April 10 to November 2

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 8a

Learn more

Temperature

30° 50° 70° 90°
40°
High: 47°
Avg: 40°
Low: 34°
Jan
43°
High: 51°
Avg: 43°
Low: 34°
Feb
47°
High: 56°
Avg: 47°
Low: 37°
Mar
51°
High: 61°
Avg: 51°
Low: 40°
Apr
57°
High: 68°
Avg: 57°
Low: 46°
May
62°
High: 73°
Avg: 62°
Low: 51°
Jun
68°
High: 81°
Avg: 68°
Low: 55°
Jul
68°
High: 82°
Avg: 68°
Low: 54°
Aug
63°
High: 76°
Avg: 63°
Low: 50°
Sep
53°
High: 64°
Avg: 53°
Low: 43°
Oct
45°
High: 53°
Avg: 45°
Low: 37°
Nov
40°
High: 46°
Avg: 40°
Low: 34°
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 2" 4" 5.9"
5.3"
5.27"
Jan
4.2"
4.20"
Feb
4.3"
4.32"
Mar
3.4"
3.41"
Apr
3.3"
3.30"
May
2.3"
2.33"
Jun
1.1"
1.14"
Jul
1.3"
1.32"
Aug
2.4"
2.43"
Sep
3.6"
3.59"
Oct
5.1"
5.11"
Nov
5.9"
5.89"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h12h13h15h16h15h14h12h11h9h8h
Jan: 7:34 AM – 4:26 PM · 8h 51m
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: 4:38 AM – 7:22 PM · 14h 44m
Jun: 4:15 AM – 7:45 PM · 15h 30m
Jul: 4:24 AM – 7:36 PM · 15h 11m
Aug: 5:02 AM – 6:58 PM · 13h 57m
Sep: 5:51 AM – 6:09 PM · 12h 18m
Oct: 6:40 AM – 5:20 PM · 10h 40m
Nov: 7:24 AM – 4:36 PM · 9h 13m
Dec: 7:45 AM – 4:15 PM · 8h 30m
Daylight Longest: 15h 32m · Shortest: 8h 28m

Nearby Stations

Saint Helens Rfd, OR April 18 - November 7 Vancouver 4 Nne, WA April 26 - October 18 Vancouver Pearson AP, WA March 29 - November 9 Battle Ground, WA April 26 - October 16 Portland-Hillsboro AP, OR April 16 - October 23 Vernonia #2, ORMay 8 - October 1

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