Frost Dates for Powers, 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 21
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 14
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 March 31
First Fall Frost November 2

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze February 6
First Fall Hard Freeze December 9
42.89°N, -124.07°W © OpenStreetMap

Growing Season

238 Days March 21 to November 14

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°
46°
High: 54°
Avg: 46°
Low: 37°
Jan
47°
High: 57°
Avg: 47°
Low: 38°
Feb
49°
High: 59°
Avg: 49°
Low: 39°
Mar
52°
High: 63°
Avg: 52°
Low: 41°
Apr
57°
High: 68°
Avg: 57°
Low: 46°
May
61°
High: 73°
Avg: 61°
Low: 50°
Jun
66°
High: 79°
Avg: 66°
Low: 53°
Jul
66°
High: 80°
Avg: 66°
Low: 52°
Aug
64°
High: 79°
Avg: 64°
Low: 49°
Sep
57°
High: 70°
Avg: 57°
Low: 43°
Oct
49°
High: 58°
Avg: 49°
Low: 41°
Nov
44°
High: 52°
Avg: 44°
Low: 37°
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

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h12h13h14h15h15h14h12h11h9h9h
Jan: 7:25 AM – 4:35 PM · 9h 10m
Feb: 6:51 AM – 5:09 PM · 10h 19m
Mar: 6:10 AM – 5:50 PM · 11h 39m
Apr: 5:25 AM – 6:35 PM · 13h 11m
May: 4:46 AM – 7:14 PM · 14h 27m
Jun: 4:26 AM – 7:34 PM · 15h 09m
Jul: 4:34 AM – 7:26 PM · 14h 52m
Aug: 5:07 AM – 6:53 PM · 13h 45m
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 29m
Dec: 7:34 AM – 4:26 PM · 8h 51m
Daylight Longest: 15h 10m · Shortest: 8h 50m

Nearby Stations

Illahe, ORMarch 30 - November 17 Langlois #2, OR March 16 - November 29 Coquille City, OR March 28 - November 6 Port Orford #2, OR February 17 - December 3 Bandon 2 Nne, OR March 9 - November 27 Coos Bay 8 Sw, OR April 15 - October 31

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