Frost Dates for Stambaugh, Iron River, MI

Based on data from Stambaugh 2sse weather station, 2 miles away

Elevation: 1634 ft

Frost Dates

Last Spring Frost (50%) June 4

First Fall Frost (50%) September 10

30% Probability

Last Spring Frost June 12

First Fall Frost September 3

Hard Freeze (28°F)

Last Spring Hard Freeze May 23

First Fall Hard Freeze September 24

46.08°N, 88.63°W © OpenStreetMap

Growing Season

98 Days June 4 to September 10

USDA Hardiness Zone

Zone 4a

Avg. annual minimum: −30 to −25°F

Learn more

Köppen Climate

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

0° 20° 40° 60° 80°

11°

Jan

13°

Feb

23°

Mar

37°

Apr

51°

May

60°

Jun

64°

Jul

62°

Aug

54°

Sep

42°

Oct

29°

Nov

17°

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	21°	11°	0°
February	26°	13°	0°
March	37°	23°	9°
April	50°	37°	24°
May	64°	51°	37°
June	73°	60°	47°
July	77°	64°	50°
August	75°	62°	48°
September	67°	54°	41°
October	53°	42°	31°
November	38°	29°	21°
December	26°	17°	9°

Precipitation

0" 2" 4" 4.8"

2.2"

Jan

2.2"

Feb

3.2"

Mar

4.2"

Apr

4.5"

May

4.8"

Jun

4.7"

Jul

4.5"

Aug

3.7"

Sep

3.1"

Oct

2.5"

Nov

2.4"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	2.2
February	2.2
March	3.2
April	4.2
May	4.5
June	4.8
July	4.7
August	4.5
September	3.7
October	3.1
November	2.5
December	2.4

Sunrise / Sunset

Jan: 7:39 AM – 4:29 PM · 8h 49m

Feb: 7:06 AM – 5:12 PM · 10h 07m

Mar: 7:16 AM – 6:52 PM · 11h 37m

Apr: 6:15 AM – 7:34 PM · 13h 19m

May: 5:28 AM – 8:13 PM · 14h 45m

Jun: 5:08 AM – 8:41 PM · 15h 32m

Jul: 5:24 AM – 8:37 PM · 15h 13m

Aug: 5:60 AM – 7:58 PM · 13h 58m

Sep: 6:40 AM – 6:58 PM · 12h 18m

Oct: 7:20 AM – 5:59 PM · 10h 39m

Nov: 7:04 AM – 4:15 PM · 9h 11m

Dec: 7:37 AM – 4:04 PM · 8h 27m

Daylight Central Time (CT) Longest: 15h 34m · Shortest: 8h 26m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (Central Time (CT))
Month	Sunrise	Sunset	Daylight
January	7:39 AM	4:29 PM	8h 49m
February	7:06 AM	5:12 PM	10h 07m
March	7:16 AM	6:52 PM	11h 37m
April	6:15 AM	7:34 PM	13h 19m
May	5:28 AM	8:13 PM	14h 45m
June	5:08 AM	8:41 PM	15h 32m
July	5:24 AM	8:37 PM	15h 13m
August	5:60 AM	7:58 PM	13h 58m
September	6:40 AM	6:58 PM	12h 18m
October	7:20 AM	5:59 PM	10h 39m
November	7:04 AM	4:15 PM	9h 11m
December	7:37 AM	4:04 PM	8h 27m

Nearby Stations

Amasa 1w, MIJune 6 - September 9 Florence, WIMay 24 - September 25 Iron Mtn Ford AP, MI May 25 - September 24 Eagle Rvr, WI May 25 - September 24 Iron Mtn-Kingsford Wwtp, MI May 17 - October 1 Watton 2wsw, MI May 25 - September 25

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