Frost Dates for Cougar Dam, 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 2
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 30
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 13
First Fall Frost November 18

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze February 1
First Fall Hard Freeze December 15
44.13°N, -122.24°W © OpenStreetMap

Growing Season

273 Days March 2 to November 30

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 9a

Learn more

Temperature

30° 50° 70° 90°
44°
High: 49°
Avg: 44°
Low: 39°
Jan
46°
High: 53°
Avg: 46°
Low: 39°
Feb
49°
High: 58°
Avg: 49°
Low: 41°
Mar
54°
High: 64°
Avg: 54°
Low: 45°
Apr
62°
High: 74°
Avg: 62°
Low: 50°
May
67°
High: 79°
Avg: 67°
Low: 55°
Jun
74°
High: 89°
Avg: 74°
Low: 59°
Jul
73°
High: 89°
Avg: 73°
Low: 58°
Aug
68°
High: 82°
Avg: 68°
Low: 54°
Sep
58°
High: 68°
Avg: 58°
Low: 48°
Oct
49°
High: 55°
Avg: 49°
Low: 43°
Nov
43°
High: 48°
Avg: 43°
Low: 39°
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 3" 6" 9" 10.3"
8.5"
8.54"
Jan
8.3"
8.26"
Feb
10.3"
10.28"
Mar
9.1"
9.13"
Apr
6.8"
6.83"
May
6.1"
6.07"
Jun
1.6"
1.58"
Jul
1.3"
1.31"
Aug
4.6"
4.59"
Sep
8.4"
8.43"
Oct
10.0"
10.03"
Nov
9.3"
9.35"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h12h13h15h15h15h14h12h11h9h9h
Jan: 7:29 AM – 4:31 PM · 9h 03m
Feb: 6:53 AM – 5:07 PM · 10h 14m
Mar: 6:11 AM – 5:49 PM · 11h 38m
Apr: 5:23 AM – 6:37 PM · 13h 14m
May: 4:43 AM – 7:17 PM · 14h 34m
Jun: 4:21 AM – 7:39 PM · 15h 18m
Jul: 4:30 AM – 7:30 PM · 14h 60m
Aug: 5:05 AM – 6:55 PM · 13h 50m
Sep: 5:51 AM – 6:09 PM · 12h 17m
Oct: 6:38 AM – 5:22 PM · 10h 44m
Nov: 7:19 AM – 4:41 PM · 9h 23m
Dec: 7:39 AM – 4:21 PM · 8h 42m
Daylight Longest: 15h 19m · Shortest: 8h 41m

Nearby Stations

Mckenzie Rvr Rs, OR May 1 - October 10 Belknap Springs 8 N, OR May 5 - October 12 Cascadia, ORApril 29 - October 13 Leaburg 1 Sw, OR April 3 - November 11 Santiam Junction, OR Oakridge Fish Hatchery, OR April 24 - October 24

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