Frost Dates for Clinton, MT

Based on data from Potomac weather station, 10 miles away

Elevation: 3468 ft

Frost Dates

This location has year-round freezing temperatures.

46.77°N, -113.71°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 4a

Avg. annual minimum: −30 to −25°F (−34 to −32°C)

Learn more

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

Dfb Warm-Summer Continental

Warm summers and cold, snowy winters. A shorter growing season than hot-summer continental. Hardy vegetables, root crops, and cool-season greens do well. Season extension is valuable.

Temperature

30° 60° 90°
19°
High: 30°F
Avg: 19°F
Low: 8°F
Jan
22°
High: 35°F
Avg: 22°F
Low: 9°F
Feb
32°
High: 46°F
Avg: 32°F
Low: 18°F
Mar
39°
High: 54°F
Avg: 39°F
Low: 24°F
Apr
47°
High: 64°F
Avg: 47°F
Low: 30°F
May
55°
High: 71°F
Avg: 55°F
Low: 38°F
Jun
61°
High: 82°F
Avg: 61°F
Low: 41°F
Jul
60°
High: 82°F
Avg: 60°F
Low: 39°F
Aug
52°
High: 71°F
Avg: 52°F
Low: 32°F
Sep
39°
High: 55°F
Avg: 39°F
Low: 23°F
Oct
28°
High: 39°F
Avg: 28°F
Low: 16°F
Nov
19°
High: 29°F
Avg: 19°F
Low: 9°F
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"
3.4"
3.41"
Jan
3.1"
3.08"
Feb
3.5"
3.50"
Mar
4.2"
4.16"
Apr
4.7"
4.65"
May
3.8"
3.77"
Jun
2.8"
2.77"
Jul
3.8"
3.75"
Aug
3.3"
3.29"
Sep
3.0"
3.02"
Oct
3.4"
3.44"
Nov
3.4"
3.37"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h15.5h15.5h14h12.5h10.5h9h8.5h
Jan: 8:22 AM – 5:05 PM · 8h 44m
Feb: 7:47 AM – 5:50 PM · 10h 03m
Mar: 7:56 AM – 7:32 PM · 11h 36m
Apr: 6:54 AM – 8:15 PM · 13h 22m
May: 6:05 AM – 8:56 PM · 14h 50m
Jun: 5:45 AM – 9:24 PM · 15h 39m
Jul: 6:00 AM – 9:19 PM · 15h 19m
Aug: 6:38 AM – 8:39 PM · 14h 01m
Sep: 7:19 AM – 7:38 PM · 12h 19m
Oct: 8:01 AM – 6:38 PM · 10h 37m
Nov: 7:46 AM – 4:52 PM · 9h 06m
Dec: 8:20 AM – 4:40 PM · 8h 21m
Daylight Mountain Time (MT) Longest: 15h 41m · Shortest: 8h 19m

Nearby Stations

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