Frost Dates for Ft Clatsop Natl Mem, OR

Elevation: 13 m

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. March 30
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 18
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 11
First Fall Frost November 8

Hard Freeze (28°F)

Last Spring Hard Freeze February 12
First Fall Hard Freeze December 13
46.14°N, -123.88°W © OpenStreetMap

Growing Season

233 Days March 30 to November 18

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

Avg. annual minimum: 15 to 20°F

Learn more

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

Csb Warm-Summer Mediterranean

Warm, dry summers and mild, wet winters. Similar to hot-summer Mediterranean but cooler. Great for a wide range of vegetables and fruit trees with moderate water needs.

Köppen climate map

Temperature

30° 50° 70°
43°
High: 49°F
Avg: 43°F
Low: 38°F
Jan
44°
High: 51°F
Avg: 44°F
Low: 37°F
Feb
47°
High: 54°F
Avg: 47°F
Low: 39°F
Mar
49°
High: 58°F
Avg: 49°F
Low: 41°F
Apr
55°
High: 64°F
Avg: 55°F
Low: 45°F
May
58°
High: 67°F
Avg: 58°F
Low: 49°F
Jun
62°
High: 70°F
Avg: 62°F
Low: 53°F
Jul
62°
High: 71°F
Avg: 62°F
Low: 53°F
Aug
60°
High: 70°F
Avg: 60°F
Low: 49°F
Sep
53°
High: 61°F
Avg: 53°F
Low: 45°F
Oct
47°
High: 53°F
Avg: 47°F
Low: 40°F
Nov
43°
High: 49°F
Avg: 43°F
Low: 37°F
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 3" 6" 9" 10.0"
9.2"
9.22"
Jan
7.2"
7.23"
Feb
7.4"
7.38"
Mar
5.5"
5.49"
Apr
3.9"
3.88"
May
2.6"
2.56"
Jun
1.1"
1.14"
Jul
1.3"
1.34"
Aug
3.6"
3.61"
Sep
7.1"
7.09"
Oct
10.0"
9.97"
Nov
10.0"
10.02"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h15h15.5h15h14h12.5h10.5h9h8.5h
Jan: 7:36 AM – 4:24 PM · 8h 49m
Feb: 6:57 AM – 5:03 PM · 10h 06m
Mar: 6:12 AM – 5:48 PM · 11h 37m
Apr: 5:20 AM – 6:40 PM · 13h 19m
May: 4:37 AM – 7:23 PM · 14h 46m
Jun: 4:13 AM – 7:47 PM · 15h 33m
Jul: 4:23 AM – 7:37 PM · 15h 14m
Aug: 5:01 AM – 6:59 PM · 13h 58m
Sep: 5:51 AM – 6:09 PM · 12h 18m
Oct: 6:41 AM – 5:19 PM · 10h 39m
Nov: 7:25 AM – 4:35 PM · 9h 11m
Dec: 7:47 AM – 4:13 PM · 8h 27m
Daylight Longest: 15h 35m · Shortest: 8h 25m

Nearby Stations

Astoria Rgnl AP, OR March 26 - November 11 Seaside, ORApril 2 - November 12 Naselle 2 Ene, WA April 24 - October 20 Long Beach Exp Stn, WA April 6 - October 26 Grays Rvr Hatchery, WA April 27 - October 22 Clatskanie, OR April 24 - October 24

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