Frost Dates for Olney, MT

Frost Dates

This location has year-round freezing temperatures.

48.55°N, -114.57°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 4b

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Temperature

10° 30° 50° 70°
20°
High: 28°
Avg: 20°
Low: 12°
Jan
23°
High: 34°
Avg: 23°
Low: 12°
Feb
31°
High: 43°
Avg: 31°
Low: 19°
Mar
39°
High: 53°
Avg: 39°
Low: 26°
Apr
49°
High: 63°
Avg: 49°
Low: 34°
May
55°
High: 69°
Avg: 55°
Low: 41°
Jun
62°
High: 80°
Avg: 62°
Low: 43°
Jul
60°
High: 80°
Avg: 60°
Low: 41°
Aug
51°
High: 69°
Avg: 51°
Low: 33°
Sep
39°
High: 52°
Avg: 39°
Low: 25°
Oct
28°
High: 36°
Avg: 28°
Low: 19°
Nov
20°
High: 27°
Avg: 20°
Low: 13°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 4.7"
4.5"
4.48"
Jan
3.2"
3.16"
Feb
3.6"
3.61"
Mar
3.5"
3.45"
Apr
3.3"
3.32"
May
4.1"
4.13"
Jun
4.6"
4.60"
Jul
4.1"
4.14"
Aug
3.5"
3.52"
Sep
4.0"
4.04"
Oct
4.3"
4.35"
Nov
4.7"
4.65"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h12h13h15h16h16h14h12h11h9h8h
Jan: 7:45 AM – 4:15 PM · 8h 31m
Feb: 7:02 AM – 4:58 PM · 9h 56m
Mar: 6:13 AM – 5:47 PM · 11h 34m
Apr: 5:17 AM – 6:43 PM · 13h 27m
May: 4:29 AM – 7:31 PM · 15h 01m
Jun: 4:03 AM – 7:57 PM · 15h 54m
Jul: 4:14 AM – 7:46 PM · 15h 32m
Aug: 4:55 AM – 7:05 PM · 14h 09m
Sep: 5:50 AM – 6:10 PM · 12h 20m
Oct: 6:44 AM – 5:16 PM · 10h 32m
Nov: 7:33 AM – 4:27 PM · 8h 55m
Dec: 7:57 AM – 4:03 PM · 8h 06m
Daylight Longest: 15h 55m · Shortest: 8h 05m

Nearby Stations

Whitefish, MT May 16 - September 25 Polebridge, MT Fortine 1 N, MT May 16 - September 18 Kalispell Glacier AP, MT May 31 - September 10 W Glacier, MT May 18 - September 20 Hungry Horse Dam, MT May 9 - October 1

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