Frost Dates for Illahe, 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. 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 17
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 12
First Fall Frost November 5

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze February 1
First Fall Hard Freeze December 10
42.63°N, -124.06°W © OpenStreetMap

Growing Season

232 Days March 30 to November 17

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 9b

Learn more

Temperature

30° 50° 70° 90°
44°
High: 51°
Avg: 44°
Low: 37°
Jan
46°
High: 54°
Avg: 46°
Low: 38°
Feb
49°
High: 59°
Avg: 49°
Low: 39°
Mar
52°
High: 65°
Avg: 52°
Low: 40°
Apr
59°
High: 75°
Avg: 59°
Low: 43°
May
65°
High: 81°
Avg: 65°
Low: 49°
Jun
71°
High: 90°
Avg: 71°
Low: 52°
Jul
71°
High: 91°
Avg: 71°
Low: 52°
Aug
67°
High: 86°
Avg: 67°
Low: 48°
Sep
56°
High: 69°
Avg: 56°
Low: 44°
Oct
47°
High: 55°
Avg: 47°
Low: 40°
Nov
43°
High: 51°
Avg: 43°
Low: 36°
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 3" 6" 9" 10.0"
10.0"
10.04"
Jan
9.0"
9.00"
Feb
9.3"
9.29"
Mar
6.3"
6.25"
Apr
4.5"
4.50"
May
3.0"
2.98"
Jun
0.5"
0.48"
Jul
0.0"
0.00"
Aug
2.9"
2.86"
Sep
4.9"
4.93"
Oct
7.7"
7.74"
Nov
9.6"
9.64"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h12h13h14h15h15h14h12h11h10h9h
Jan: 7:24 AM – 4:36 PM · 9h 12m
Feb: 6:50 AM – 5:10 PM · 10h 20m
Mar: 6:10 AM – 5:50 PM · 11h 39m
Apr: 5:25 AM – 6:35 PM · 13h 10m
May: 4:47 AM – 7:13 PM · 14h 26m
Jun: 4:27 AM – 7:33 PM · 15h 07m
Jul: 4:35 AM – 7:25 PM · 14h 50m
Aug: 5:08 AM – 6:52 PM · 13h 44m
Sep: 5:52 AM – 6:08 PM · 12h 16m
Oct: 6:36 AM – 5:24 PM · 10h 48m
Nov: 7:15 AM – 4:45 PM · 9h 31m
Dec: 7:34 AM – 4:26 PM · 8h 53m
Daylight Longest: 15h 08m · Shortest: 8h 52m

Nearby Stations

Powers, ORMarch 21 - November 14 Port Orford #2, OR February 17 - December 3 Gold Beach Rs, OR February 16 - December 16 Langlois #2, OR March 16 - November 29 Sexton Summit, OR May 16 - October 30 Cave Junction 1 Wnw, OR May 1 - October 12

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