Frost Dates for Deer Lodge, MT

Based on data from Deer Lodge 3 W weather station, 3 miles away

Frost Dates

This location has year-round freezing temperatures.

46.40°N, -112.73°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

Avg. annual minimum: −25 to −20°F (−32 to −29°C)

Learn more

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

BSk Cold Semi-Arid (Steppe)

Cool to cold with low rainfall and wide temperature swings. Common in the western Great Plains and central Asia. Short growing seasons benefit from season extension techniques.

Köppen climate map

Temperature

10° 30° 50° 70°
22°
High: 33°F
Avg: 22°F
Low: 11°F
Jan
25°
High: 36°F
Avg: 25°F
Low: 13°F
Feb
32°
High: 44°F
Avg: 32°F
Low: 19°F
Mar
39°
High: 53°F
Avg: 39°F
Low: 26°F
Apr
48°
High: 62°F
Avg: 48°F
Low: 34°F
May
54°
High: 69°F
Avg: 54°F
Low: 40°F
Jun
62°
High: 79°F
Avg: 62°F
Low: 44°F
Jul
61°
High: 79°F
Avg: 61°F
Low: 42°F
Aug
52°
High: 70°F
Avg: 52°F
Low: 35°F
Sep
41°
High: 55°F
Avg: 41°F
Low: 26°F
Oct
28°
High: 40°F
Avg: 28°F
Low: 16°F
Nov
21°
High: 31°F
Avg: 21°F
Low: 11°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 2.7"
1.2"
1.24"
Jan
1.3"
1.28"
Feb
1.6"
1.55"
Mar
1.7"
1.68"
Apr
2.6"
2.62"
May
2.7"
2.68"
Jun
2.4"
2.39"
Jul
2.4"
2.39"
Aug
1.6"
1.64"
Sep
1.8"
1.79"
Oct
1.4"
1.42"
Nov
1.2"
1.24"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h15h15.5h15.5h14h12.5h10.5h9h8.5h
Jan: 7:36 AM – 4:24 PM · 8h 47m
Feb: 6:57 AM – 5:03 PM · 10h 05m
Mar: 6:12 AM – 5:48 PM · 11h 36m
Apr: 5:20 AM – 6:40 PM · 13h 20m
May: 4:36 AM – 7:24 PM · 14h 47m
Jun: 4:12 AM – 7:48 PM · 15h 35m
Jul: 4:22 AM – 7:38 PM · 15h 16m
Aug: 5:00 AM – 6:60 PM · 13h 59m
Sep: 5:51 AM – 6:09 PM · 12h 19m
Oct: 6:41 AM – 5:19 PM · 10h 38m
Nov: 7:26 AM – 4:34 PM · 9h 09m
Dec: 7:48 AM – 4:12 PM · 8h 25m
Daylight Longest: 15h 37m · Shortest: 8h 23m

Nearby Stations

Anaconda, MTJune 1 - September 14 Elliston, MTJune 9 - September 8 Phillipsburg Rs, MT Drummond Aviation, MT Austin 1 W, MT June 4 - September 14 Butte Bert Mooney AP, MT June 13 - September 5

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