Frost Dates for Prospect 2 Sw, 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. May 19
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 3
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 28
First Fall Frost September 26

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze April 26
First Fall Hard Freeze October 24
42.73°N, -122.52°W © OpenStreetMap

Growing Season

137 Days May 19 to October 3

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 8a

Learn more

Temperature

20° 40° 60° 80°
40°
High: 50°
Avg: 40°
Low: 30°
Jan
42°
High: 54°
Avg: 42°
Low: 31°
Feb
45°
High: 58°
Avg: 45°
Low: 33°
Mar
49°
High: 62°
Avg: 49°
Low: 35°
Apr
56°
High: 71°
Avg: 56°
Low: 41°
May
62°
High: 78°
Avg: 62°
Low: 45°
Jun
70°
High: 89°
Avg: 70°
Low: 50°
Jul
69°
High: 89°
Avg: 69°
Low: 49°
Aug
64°
High: 84°
Avg: 64°
Low: 44°
Sep
54°
High: 70°
Avg: 54°
Low: 38°
Oct
44°
High: 55°
Avg: 44°
Low: 34°
Nov
39°
High: 48°
Avg: 39°
Low: 30°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 3" 6" 9" 9.3"
8.3"
8.28"
Jan
5.7"
5.71"
Feb
5.5"
5.53"
Mar
4.8"
4.78"
Apr
4.9"
4.86"
May
4.9"
4.94"
Jun
0.5"
0.45"
Jul
0.0"
0.00"
Aug
4.3"
4.35"
Sep
5.5"
5.53"
Oct
7.2"
7.22"
Nov
9.3"
9.26"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h12h13h14h15h15h14h12h11h10h9h
Jan: 7:24 AM – 4:36 PM · 9h 11m
Feb: 6:50 AM – 5:10 PM · 10h 19m
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 27m
Jun: 4:26 AM – 7:34 PM · 15h 08m
Jul: 4:35 AM – 7:25 PM · 14h 51m
Aug: 5:08 AM – 6:52 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 30m
Dec: 7:34 AM – 4:26 PM · 8h 52m
Daylight Longest: 15h 09m · Shortest: 8h 51m

Nearby Stations

Lost Creek Dam, OR April 29 - October 17 Crater Lake Nps Hq, OR Chiloquin 12 Nw (Fort Klamath), OR Medford Rogue Vly AP, OR April 8 - October 29 Howard Prairie Dam, OR June 8 - September 24 Ashland, ORMay 6 - October 8

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