Frost Dates for Melville 4 W, MT

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 9
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 7
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 16
First Fall Frost August 31

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze May 24
First Fall Hard Freeze September 22
46.10°N, -110.05°W © OpenStreetMap

Growing Season

90 Days June 9 to September 7

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

Learn more

Temperature

10° 30° 50° 70°
24°
High: 35°
Avg: 24°
Low: 13°
Jan
24°
High: 35°
Avg: 24°
Low: 13°
Feb
31°
High: 42°
Avg: 31°
Low: 20°
Mar
38°
High: 49°
Avg: 38°
Low: 26°
Apr
46°
High: 58°
Avg: 46°
Low: 34°
May
54°
High: 66°
Avg: 54°
Low: 42°
Jun
62°
High: 76°
Avg: 62°
Low: 47°
Jul
60°
High: 75°
Avg: 60°
Low: 45°
Aug
52°
High: 66°
Avg: 52°
Low: 39°
Sep
41°
High: 53°
Avg: 41°
Low: 29°
Oct
30°
High: 41°
Avg: 30°
Low: 19°
Nov
23°
High: 34°
Avg: 23°
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" 4.2"
2.1"
2.12"
Jan
1.7"
1.72"
Feb
2.4"
2.42"
Mar
3.6"
3.61"
Apr
4.2"
4.15"
May
3.7"
3.74"
Jun
2.9"
2.93"
Jul
2.7"
2.67"
Aug
3.0"
2.96"
Sep
3.1"
3.06"
Oct
2.1"
2.14"
Nov
2.0"
1.98"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h12h13h15h16h15h14h12h11h9h8h
Jan: 7:35 AM – 4:25 PM · 8h 49m
Feb: 6:57 AM – 5:03 PM · 10h 06m
Mar: 6:12 AM – 5:48 PM · 11h 37m
Apr: 5:20 AM – 6:40 PM · 13h 19m
May: 4:37 AM – 7:23 PM · 14h 46m
Jun: 4:14 AM – 7:46 PM · 15h 33m
Jul: 4:23 AM – 7:37 PM · 15h 14m
Aug: 5:01 AM – 6:59 PM · 13h 58m
Sep: 5:51 AM – 6:09 PM · 12h 18m
Oct: 6:40 AM – 5:20 PM · 10h 39m
Nov: 7:25 AM – 4:35 PM · 9h 11m
Dec: 7:47 AM – 4:13 PM · 8h 27m
Daylight Longest: 15h 34m · Shortest: 8h 26m

Nearby Stations

Big Timber, MT May 14 - September 26 Wilsall 8 Ene, MT June 8 - September 7 Harlowton, MT May 23 - September 16 Gibson 2 Ne, MT May 27 - September 18 Wilsall 1s, MT June 4 - September 6 Martinsdale 3 Nnw, MT June 3 - September 8

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