Frost Dates for North Browning, MT

Based on data from E Glacier weather station, 13 miles away

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. June 8
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. September 5
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 June 17
First Fall Frost August 31

Hard Freeze (28°F)

Last Spring Hard Freeze May 21
First Fall Hard Freeze September 23
48.57°N, -113.01°W © OpenStreetMap

Growing Season

89 Days June 8 to September 5

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.

Köppen climate map

Temperature

10° 30° 50° 70°
22°
High: 30°F
Avg: 22°F
Low: 13°F
Jan
22°
High: 31°F
Avg: 22°F
Low: 13°F
Feb
28°
High: 37°F
Avg: 28°F
Low: 19°F
Mar
36°
High: 46°F
Avg: 36°F
Low: 27°F
Apr
45°
High: 56°F
Avg: 45°F
Low: 34°F
May
53°
High: 64°F
Avg: 53°F
Low: 41°F
Jun
60°
High: 74°F
Avg: 60°F
Low: 46°F
Jul
59°
High: 74°F
Avg: 59°F
Low: 44°F
Aug
51°
High: 63°F
Avg: 51°F
Low: 38°F
Sep
40°
High: 50°F
Avg: 40°F
Low: 29°F
Oct
29°
High: 36°F
Avg: 29°F
Low: 22°F
Nov
22°
High: 29°F
Avg: 22°F
Low: 15°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 3" 3.3"
2.5"
2.48"
Jan
2.4"
2.36"
Feb
2.8"
2.79"
Mar
2.9"
2.86"
Apr
3.3"
3.29"
May
3.1"
3.07"
Jun
1.9"
1.93"
Jul
2.5"
2.48"
Aug
3.2"
3.18"
Sep
3.3"
3.26"
Oct
2.7"
2.69"
Nov
2.5"
2.48"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
Jan: 7:44 AM – 4:16 PM · 8h 32m
Feb: 7:02 AM – 4:58 PM · 9h 56m
Mar: 6:13 AM – 5:47 PM · 11h 35m
Apr: 5:17 AM – 6:43 PM · 13h 26m
May: 4:30 AM – 7:30 PM · 15h 01m
Jun: 4:04 AM – 7:56 PM · 15h 53m
Jul: 4:14 AM – 7:46 PM · 15h 31m
Aug: 4:56 AM – 7:04 PM · 14h 09m
Sep: 5:50 AM – 6:10 PM · 12h 20m
Oct: 6:44 AM – 5:16 PM · 10h 32m
Nov: 7:32 AM – 4:28 PM · 8h 56m
Dec: 7:56 AM – 4:04 PM · 8h 07m
Daylight Longest: 15h 54m · Shortest: 8h 06m

Nearby Stations

St Mary, MTJune 12 - September 5 St. Mary 1 Ssw, MT June 3 - September 8 W Glacier, MT May 18 - September 20 Hungry Horse Dam, MT May 9 - October 1 Carway, CanadaJune 8 - August 22 Cut Bank Muni AP, MT May 24 - September 15

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