Frost Dates for Cottage Grove 2e, 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 24
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. October 25
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 May 1
First Fall Frost October 15

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze March 23
First Fall Hard Freeze November 18
43.79°N, -123.03°W © OpenStreetMap

Growing Season

184 Days April 24 to October 25

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°
41°
High: 48°
Avg: 41°
Low: 33°
Jan
43°
High: 52°
Avg: 43°
Low: 34°
Feb
46°
High: 56°
Avg: 46°
Low: 35°
Mar
50°
High: 61°
Avg: 50°
Low: 38°
Apr
56°
High: 68°
Avg: 56°
Low: 44°
May
61°
High: 73°
Avg: 61°
Low: 48°
Jun
67°
High: 82°
Avg: 67°
Low: 51°
Jul
67°
High: 83°
Avg: 67°
Low: 50°
Aug
61°
High: 77°
Avg: 61°
Low: 46°
Sep
53°
High: 64°
Avg: 53°
Low: 41°
Oct
45°
High: 53°
Avg: 45°
Low: 37°
Nov
40°
High: 47°
Avg: 40°
Low: 33°
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 2" 4" 5.8"
5.2"
5.17"
Jan
4.1"
4.14"
Feb
5.0"
5.03"
Mar
4.7"
4.66"
Apr
4.6"
4.57"
May
3.2"
3.23"
Jun
0.9"
0.95"
Jul
1.4"
1.44"
Aug
3.9"
3.94"
Sep
3.4"
3.35"
Oct
4.5"
4.50"
Nov
5.8"
5.79"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h12h13h15h15h15h14h12h11h9h9h
Jan: 7:28 AM – 4:32 PM · 9h 05m
Feb: 6:52 AM – 5:08 PM · 10h 15m
Mar: 6:11 AM – 5:49 PM · 11h 38m
Apr: 5:23 AM – 6:37 PM · 13h 13m
May: 4:44 AM – 7:16 PM · 14h 32m
Jun: 4:22 AM – 7:38 PM · 15h 15m
Jul: 4:31 AM – 7:29 PM · 14h 58m
Aug: 5:06 AM – 6:54 PM · 13h 49m
Sep: 5:51 AM – 6:09 PM · 12h 17m
Oct: 6:37 AM – 5:23 PM · 10h 45m
Nov: 7:18 AM – 4:42 PM · 9h 24m
Dec: 7:38 AM – 4:22 PM · 8h 45m
Daylight Longest: 15h 17m · Shortest: 8h 43m

Nearby Stations

Dorena, ORApril 16 - October 28 Cottage Grove Dam, OR April 12 - November 1 Lookout Pt Dam, OR March 7 - November 27 Drain, ORApril 16 - October 25 Fern Ridge-Veneta, OR April 18 - October 25 Eugene Mahlon Sweet AP, OR April 11 - October 23

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