Frost Dates for Calumet Park, IL

Based on data from Chicago Midway AP 3sw weather station, 8 miles away

Elevation: 604 ft

Frost Dates

Last Spring Frost (50%) April 10

First Fall Frost (50%) November 1

30% Probability

Last Spring Frost April 17

First Fall Frost October 28

Hard Freeze (28°F)

Last Spring Hard Freeze April 1

First Fall Hard Freeze November 11

41.66°N, 87.66°W © OpenStreetMap

Growing Season

205 Days April 10 to November 1

USDA Hardiness Zone

Zone 6a

Avg. annual minimum: −10 to −5°F

Learn more

Köppen Climate

Dfa Hot-Summer Continental

Hot summers and cold winters with year-round precipitation. Moderate growing season supports warm-season crops like tomatoes, peppers, and corn. Winter protection extends the harvest.

Köppen climate map

Temperature

10° 30° 50° 70° 90°

26°

Jan

30°

Feb

40°

Mar

51°

Apr

62°

May

72°

Jun

77°

Jul

75°

Aug

68°

Sep

55°

Oct

42°

Nov

32°

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°	26°	20°
February	37°	30°	23°
March	48°	40°	32°
April	60°	51°	42°
May	72°	62°	52°
June	81°	72°	63°
July	85°	77°	68°
August	83°	75°	67°
September	77°	68°	59°
October	64°	55°	47°
November	50°	42°	35°
December	38°	32°	25°

Precipitation

0" 2" 4" 6" 7.9"

2.7"

Jan

2.8"

Feb

3.8"

Mar

5.1"

Apr

5.9"

May

5.6"

Jun

6.6"

Jul

7.9"

Aug

6.2"

Sep

4.6"

Oct

3.4"

Nov

3.0"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	2.7
February	2.8
March	3.8
April	5.1
May	5.9
June	5.6
July	6.6
August	7.9
September	6.2
October	4.6
November	3.4
December	3.0

Sunrise / Sunset

Jan: 7:22 AM – 4:39 PM · 9h 17m

Feb: 6:54 AM – 5:17 PM · 10h 23m

Mar: 7:11 AM – 6:51 PM · 11h 40m

Apr: 6:17 AM – 7:25 PM · 13h 08m

May: 5:37 AM – 7:58 PM · 14h 21m

Jun: 5:21 AM – 8:22 PM · 15h 01m

Jul: 5:34 AM – 8:19 PM · 14h 45m

Aug: 6:05 AM – 7:46 PM · 13h 41m

Sep: 6:38 AM – 6:54 PM · 12h 16m

Oct: 7:11 AM – 6:02 PM · 10h 51m

Nov: 6:48 AM – 4:24 PM · 9h 36m

Dec: 7:17 AM – 4:16 PM · 8h 59m

Daylight Central Time (CT) Longest: 15h 02m · Shortest: 8h 58m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (Central Time (CT))
Month	Sunrise	Sunset	Daylight
January	7:22 AM	4:39 PM	9h 17m
February	6:54 AM	5:17 PM	10h 23m
March	7:11 AM	6:51 PM	11h 40m
April	6:17 AM	7:25 PM	13h 08m
May	5:37 AM	7:58 PM	14h 21m
June	5:21 AM	8:22 PM	15h 01m
July	5:34 AM	8:19 PM	14h 45m
August	6:05 AM	7:46 PM	13h 41m
September	6:38 AM	6:54 PM	12h 16m
October	7:11 AM	6:02 PM	10h 51m
November	6:48 AM	4:24 PM	9h 36m
December	7:17 AM	4:16 PM	8h 59m

Nearby Stations

Chicago Midway AP, IL April 11 - October 31 Little Red School Hse, IL April 19 - October 22 Chicago Northerly Is, IL April 10 - November 5 Lisle-Morton Arboretum, IL April 28 - October 16 Wheaton 3 Se, IL April 27 - October 17 Park Forest, IL April 23 - October 20

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