Frost Dates for Divide, MT

Elevation: 1631 m

Frost Dates

Last Spring Frost (50%) June 10

First Fall Frost (50%) September 7

30% Probability

Last Spring Frost June 18

First Fall Frost September 1

Hard Freeze (28°F)

Last Spring Hard Freeze May 21

First Fall Hard Freeze September 19

45.75°N, 112.75°W © OpenStreetMap

Growing Season

89 Days June 10 to September 7

USDA Hardiness Zone

Zone 4b

Avg. annual minimum: −25 to −20°F

Learn more

Köppen Climate

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

0° 30° 60° 90°

22°

Jan

24°

Feb

32°

Mar

39°

Apr

48°

May

56°

Jun

64°

Jul

62°

Aug

53°

Sep

42°

Oct

29°

Nov

20°

Dec

32°F

28°F

Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Temperature table

Average monthly temperatures (°F)
Month	Avg High	Avg Temp	Avg Low
January	33°	22°	11°
February	36°	24°	12°
March	45°	32°	20°
April	52°	39°	26°
May	62°	48°	35°
June	70°	56°	41°
July	82°	64°	46°
August	80°	62°	44°
September	70°	53°	37°
October	57°	42°	28°
November	42°	29°	17°
December	31°	20°	9°

Precipitation

0" 2" 4" 4.1"

0.0"

Jan

0.6"

Feb

1.8"

Mar

2.9"

Apr

3.7"

May

3.6"

Jun

3.3"

Jul

3.3"

Aug

4.1"

Sep

3.4"

Oct

2.8"

Nov

0.9"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	0.0
February	0.6
March	1.8
April	2.9
May	3.7
June	3.6
July	3.3
August	3.3
September	4.1
October	3.4
November	2.8
December	0.9

Sunrise / Sunset

Jan: 7:34 AM – 4:26 PM · 8h 52m

Feb: 6:56 AM – 5:04 PM · 10h 08m

Mar: 6:12 AM – 5:48 PM · 11h 37m

Apr: 5:21 AM – 6:39 PM · 13h 18m

May: 4:38 AM – 7:22 PM · 14h 44m

Jun: 4:15 AM – 7:45 PM · 15h 30m

Jul: 4:25 AM – 7:35 PM · 15h 11m

Aug: 5:02 AM – 6:58 PM · 13h 57m

Sep: 5:51 AM – 6:09 PM · 12h 18m

Oct: 6:40 AM – 5:20 PM · 10h 40m

Nov: 7:24 AM – 4:36 PM · 9h 13m

Dec: 7:45 AM – 4:15 PM · 8h 30m

Daylight Longest: 15h 32m · Shortest: 8h 29m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month	Sunrise	Sunset	Daylight
January	7:34 AM	4:26 PM	8h 52m
February	6:56 AM	5:04 PM	10h 08m
March	6:12 AM	5:48 PM	11h 37m
April	5:21 AM	6:39 PM	13h 18m
May	4:38 AM	7:22 PM	14h 44m
June	4:15 AM	7:45 PM	15h 30m
July	4:25 AM	7:35 PM	15h 11m
August	5:02 AM	6:58 PM	13h 57m
September	5:51 AM	6:09 PM	12h 18m
October	6:40 AM	5:20 PM	10h 40m
November	7:24 AM	4:36 PM	9h 13m
December	7:45 AM	4:15 PM	8h 30m

Nearby Stations

Wise Rvr 3 Wnw, MT Glen 4 N, MT Butte Bert Mooney AP, MT June 13 - September 5 Twin Bridges, MT June 8 - September 2 Anaconda, MTJune 1 - September 14 Wisdom, MT

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