Frost Dates for Vienna, IL

Based on data from Dixon Springs Agric Ctr weather station, 13 miles away

Elevation: 404 ft

Frost Dates

Last Spring Frost (50%) April 14

First Fall Frost (50%) October 21

30% Probability

Last Spring Frost April 20

First Fall Frost October 16

Hard Freeze (28°F)

Last Spring Hard Freeze April 2

First Fall Hard Freeze October 31

37.42°N, 88.90°W © OpenStreetMap

Growing Season

190 Days April 14 to October 21

USDA Hardiness Zone

Zone 6b

Avg. annual minimum: −5 to 0°F

Learn more

Köppen Climate

Cfa Humid Subtropical

Hot, humid summers and mild winters with rain year-round. Long growing seasons support a wide variety of vegetables, fruits, and ornamentals. The most common climate in the eastern US.

Köppen climate map

Temperature

20° 40° 60° 80°

34°

Jan

39°

Feb

48°

Mar

58°

Apr

66°

May

74°

Jun

77°

Jul

76°

Aug

70°

Sep

59°

Oct

47°

Nov

38°

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	43°	34°	26°
February	49°	39°	29°
March	59°	48°	37°
April	70°	58°	46°
May	77°	66°	56°
June	85°	74°	63°
July	88°	77°	67°
August	87°	76°	65°
September	82°	70°	58°
October	71°	59°	46°
November	57°	47°	37°
December	46°	38°	29°

Precipitation

0" 3" 6" 9" 10.3"

6.5"

Jan

6.2"

Feb

9.0"

Mar

9.1"

Apr

8.7"

May

8.8"

Jun

9.1"

Jul

10.2"

Aug

10.3"

Sep

9.8"

Oct

7.8"

Nov

8.1"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	6.5
February	6.2
March	9.0
April	9.1
May	8.7
June	8.8
July	9.1
August	10.2
September	10.3
October	9.8
November	7.8
December	8.1

Sunrise / Sunset

Jan: 7:13 AM – 4:55 PM · 9h 41m

Feb: 6:51 AM – 5:28 PM · 10h 37m

Mar: 7:13 AM – 6:56 PM · 11h 43m

Apr: 6:26 AM – 7:24 PM · 12h 58m

May: 5:51 AM – 7:51 PM · 14h 01m

Jun: 5:38 AM – 8:12 PM · 14h 34m

Jul: 5:50 AM – 8:11 PM · 14h 21m

Aug: 6:16 AM – 7:42 PM · 13h 27m

Sep: 6:42 AM – 6:56 PM · 12h 14m

Oct: 7:10 AM – 6:10 PM · 11h 00m

Nov: 6:41 AM – 4:38 PM · 9h 57m

Dec: 7:08 AM – 4:33 PM · 9h 26m

Daylight Central Time (CT) Longest: 14h 35m · Shortest: 9h 25m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (Central Time (CT))
Month	Sunrise	Sunset	Daylight
January	7:13 AM	4:55 PM	9h 41m
February	6:51 AM	5:28 PM	10h 37m
March	7:13 AM	6:56 PM	11h 43m
April	6:26 AM	7:24 PM	12h 58m
May	5:51 AM	7:51 PM	14h 01m
June	5:38 AM	8:12 PM	14h 34m
July	5:50 AM	8:11 PM	14h 21m
August	6:16 AM	7:42 PM	13h 27m
September	6:42 AM	6:56 PM	12h 14m
October	7:10 AM	6:10 PM	11h 00m
November	6:41 AM	4:38 PM	9h 57m
December	7:08 AM	4:33 PM	9h 26m

Nearby Stations

Rosiclare 5nw, IL April 19 - October 20 Brookport Dam 52, IL April 6 - October 27 Harrisburg, IL April 7 - October 26 Smithland L&D, IL April 3 - October 30 Grand Chain Dam 53, IL April 3 - November 5 Paducah, KYApril 5 - October 28

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!