Frost Dates for Clancy, MT

Based on data from Tizer Gardens weather station, 7 miles away

Elevation: 4242 ft

Frost Dates

Last Spring Frost (50%) June 18

First Fall Frost (50%) September 5

30% Probability

Last Spring Frost June 24

First Fall Frost August 30

Hard Freeze (28°F)

Last Spring Hard Freeze May 29

First Fall Hard Freeze September 18

46.47°N, 111.99°W © OpenStreetMap

Growing Season

79 Days June 18 to September 5

USDA Hardiness Zone

Zone 5a

Avg. annual minimum: −20 to −15°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

10° 30° 50° 70° 90°

23°

Jan

24°

Feb

32°

Mar

40°

Apr

47°

May

55°

Jun

63°

Jul

62°

Aug

53°

Sep

41°

Oct

31°

Nov

22°

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	35°	23°	10°
February	36°	24°	11°
March	46°	32°	18°
April	54°	40°	25°
May	62°	47°	33°
June	71°	55°	39°
July	81°	63°	44°
August	82°	62°	43°
September	71°	53°	35°
October	56°	41°	26°
November	43°	31°	19°
December	33°	22°	10°

Precipitation

0" 1" 2" 3" 3.3"

0.9"

Jan

0.8"

Feb

1.3"

Mar

1.5"

Apr

2.3"

May

3.0"

Jun

3.3"

Jul

2.8"

Aug

2.2"

Sep

1.9"

Oct

1.4"

Nov

0.9"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	0.9
February	0.8
March	1.3
April	1.5
May	2.3
June	3.0
July	3.3
August	2.8
September	2.2
October	1.9
November	1.4
December	0.9

Sunrise / Sunset

Jan: 8:14 AM – 5:01 PM · 8h 47m

Feb: 7:40 AM – 5:45 PM · 10h 05m

Mar: 7:50 AM – 7:26 PM · 11h 36m

Apr: 6:48 AM – 8:08 PM · 13h 20m

May: 6:01 AM – 8:48 PM · 14h 47m

Jun: 5:41 AM – 9:16 PM · 15h 35m

Jul: 5:56 AM – 9:11 PM · 15h 15m

Aug: 6:33 AM – 8:32 PM · 13h 59m

Sep: 7:13 AM – 7:32 PM · 12h 19m

Oct: 7:54 AM – 6:32 PM · 10h 38m

Nov: 7:39 AM – 4:48 PM · 9h 09m

Dec: 8:12 AM – 4:36 PM · 8h 25m

Daylight Mountain Time (MT) Longest: 15h 37m · Shortest: 8h 23m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (Mountain Time (MT))
Month	Sunrise	Sunset	Daylight
January	8:14 AM	5:01 PM	8h 47m
February	7:40 AM	5:45 PM	10h 05m
March	7:50 AM	7:26 PM	11h 36m
April	6:48 AM	8:08 PM	13h 20m
May	6:01 AM	8:48 PM	14h 47m
June	5:41 AM	9:16 PM	15h 35m
July	5:56 AM	9:11 PM	15h 15m
August	6:33 AM	8:32 PM	13h 59m
September	7:13 AM	7:32 PM	12h 19m
October	7:54 AM	6:32 PM	10h 38m
November	7:39 AM	4:48 PM	9h 09m
December	8:12 AM	4:36 PM	8h 25m

Nearby Stations

Boulder, MTJune 7 - September 8 Helena Rgnl AP, MT May 9 - September 30 Austin 1 W, MT June 4 - September 14 Elliston, MTJune 9 - September 8 Townsend 3se, MT May 19 - September 19 Butte Bert Mooney AP, MT June 13 - September 5

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