Frost Dates for Sisters, OR

Elevation: 969 m

Frost Dates

This location has year-round freezing temperatures.

44.28°N, -121.55°W © OpenStreetMap

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 6a

Avg. annual minimum: −10 to −5°F

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Dsb Warm-Summer Continental (Dry Summer)

Warm, dry summers and cold, snowy winters. Common in mountain regions. Moderate growing season with irrigation needs in summer.

Köppen climate map

Temperature

10° 30° 50° 70° 90°
31°
High: 41°F
Avg: 31°F
Low: 21°F
Jan
33°
High: 44°F
Avg: 33°F
Low: 22°F
Feb
38°
High: 51°F
Avg: 38°F
Low: 25°F
Mar
43°
High: 57°F
Avg: 43°F
Low: 29°F
Apr
50°
High: 66°F
Avg: 50°F
Low: 34°F
May
57°
High: 74°F
Avg: 57°F
Low: 39°F
Jun
65°
High: 86°F
Avg: 65°F
Low: 43°F
Jul
64°
High: 85°F
Avg: 64°F
Low: 42°F
Aug
56°
High: 76°F
Avg: 56°F
Low: 36°F
Sep
45°
High: 61°F
Avg: 45°F
Low: 29°F
Oct
36°
High: 47°F
Avg: 36°F
Low: 25°F
Nov
30°
High: 39°F
Avg: 30°F
Low: 20°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 2.6"
1.9"
1.92"
Jan
1.7"
1.68"
Feb
1.7"
1.70"
Mar
2.0"
2.01"
Apr
2.5"
2.48"
May
2.4"
2.40"
Jun
1.0"
1.01"
Jul
0.0"
0.00"
Aug
0.8"
0.85"
Sep
2.0"
2.03"
Oct
2.4"
2.43"
Nov
2.6"
2.58"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13h14.5h15.5h15h14h12.5h10.5h9.5h8.5h
Jan: 7:29 AM – 4:31 PM · 9h 01m
Feb: 6:53 AM – 5:07 PM · 10h 13m
Mar: 6:11 AM – 5:49 PM · 11h 38m
Apr: 5:23 AM – 6:37 PM · 13h 14m
May: 4:42 AM – 7:18 PM · 14h 35m
Jun: 4:21 AM – 7:39 PM · 15h 19m
Jul: 4:30 AM – 7:30 PM · 15h 01m
Aug: 5:05 AM – 6:55 PM · 13h 51m
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 22m
Dec: 7:40 AM – 4:20 PM · 8h 41m
Daylight Longest: 15h 20m · Shortest: 8h 40m

Nearby Stations

Bend 7 Ne, OR Redmond Roberts Fld, OR June 9 - September 14 Bend, ORJune 6 - September 20 Santiam Junction, OR Belknap Springs 8 N, OR May 5 - October 12 Sunriver, OR

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