Frost Dates for Charlack, MO

Based on data from St Louis Lambert Intl AP weather station, 4 miles away

Elevation: 600 ft

Frost Dates

Last Spring Frost (50%) April 2

First Fall Frost (50%) November 4

30% Probability

Last Spring Frost April 7

First Fall Frost October 30

Hard Freeze (28°F)

Last Spring Hard Freeze March 23

First Fall Hard Freeze November 13

38.70°N, 90.34°W © OpenStreetMap

Growing Season

216 Days April 2 to November 4

USDA Hardiness Zone

Zone 7a

Avg. annual minimum: 0 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

20° 40° 60° 80°

32°

Jan

37°

Feb

47°

Mar

58°

Apr

68°

May

77°

Jun

80°

Jul

79°

Aug

71°

Sep

59°

Oct

46°

Nov

37°

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	40°	32°	24°
February	46°	37°	28°
March	57°	47°	37°
April	68°	58°	47°
May	77°	68°	58°
June	86°	77°	67°
July	90°	80°	71°
August	88°	79°	69°
September	81°	71°	61°
October	69°	59°	49°
November	56°	46°	37°
December	45°	37°	29°

Precipitation

0" 2" 4" 6" 7.1"

3.2"

Jan

3.4"

Feb

5.3"

Mar

6.2"

Apr

6.2"

May

7.1"

Jun

6.8"

Jul

6.0"

Aug

5.7"

Sep

5.8"

Oct

5.0"

Nov

4.3"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	3.2
February	3.4
March	5.3
April	6.2
May	6.2
June	7.1
July	6.8
August	6.0
September	5.7
October	5.8
November	5.0
December	4.3

Sunrise / Sunset

Jan: 7:24 AM – 4:58 PM · 9h 34m

Feb: 6:60 AM – 5:32 PM · 10h 33m

Mar: 7:20 AM – 7:02 PM · 11h 42m

Apr: 6:31 AM – 7:32 PM · 13h 01m

May: 5:54 AM – 8:01 PM · 14h 07m

Jun: 5:41 AM – 8:23 PM · 14h 42m

Jul: 5:53 AM – 8:21 PM · 14h 28m

Aug: 6:20 AM – 7:51 PM · 13h 31m

Sep: 6:49 AM – 7:03 PM · 12h 14m

Oct: 7:18 AM – 6:15 PM · 10h 58m

Nov: 6:51 AM – 4:42 PM · 9h 51m

Dec: 7:18 AM – 4:36 PM · 9h 18m

Daylight Central Time (CT) Longest: 14h 43m · Shortest: 9h 17m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (Central Time (CT))
Month	Sunrise	Sunset	Daylight
January	7:24 AM	4:58 PM	9h 34m
February	6:60 AM	5:32 PM	10h 33m
March	7:20 AM	7:02 PM	11h 42m
April	6:31 AM	7:32 PM	13h 01m
May	5:54 AM	8:01 PM	14h 07m
June	5:41 AM	8:23 PM	14h 42m
July	5:53 AM	8:21 PM	14h 28m
August	6:20 AM	7:51 PM	13h 31m
September	6:49 AM	7:03 PM	12h 14m
October	7:18 AM	6:15 PM	10h 58m
November	6:51 AM	4:42 PM	9h 51m
December	7:18 AM	4:36 PM	9h 18m

Nearby Stations

St Charles Elm Pt, MO April 8 - October 29 St Charles 7 Ssw, MO April 4 - October 29 St Louis Sci Ctr, MO April 1 - November 4 St Peters 2 Se, MO April 9 - October 26 St Charles Co AP, MO April 5 - October 27 Alton - Melvin Price L&D, IL April 4 - November 5

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