Frost Dates for Eureka, SD

Elevation: 570 m

Frost Dates

Last Spring Frost (50%) May 12

First Fall Frost (50%) September 27

30% Probability

Last Spring Frost May 18

First Fall Frost September 22

Hard Freeze (28°F)

Last Spring Hard Freeze May 2

First Fall Hard Freeze October 4

45.77°N, 99.62°W © OpenStreetMap

Growing Season

138 Days May 12 to September 27

USDA Hardiness Zone

Zone 4a

Avg. annual minimum: −30 to −25°F

Learn more

Köppen Climate

Dwa Hot-Summer Continental (Dry Winter)

Hot, wet summers and cold, dry winters. Monsoon influence brings most rain in summer. Good for warm-season crops during the rainy season; winters are harsh but dry.

Köppen climate map

Temperature

0° 30° 60° 90°

11°

Jan

15°

Feb

28°

Mar

42°

Apr

55°

May

65°

Jun

70°

Jul

68°

Aug

59°

Sep

44°

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°	2°
February	25°	15°	6°
March	38°	28°	18°
April	54°	42°	30°
May	67°	55°	42°
June	76°	65°	53°
July	82°	70°	58°
August	81°	68°	56°
September	72°	59°	46°
October	56°	44°	32°
November	39°	29°	19°
December	25°	17°	8°

Precipitation

0" 2" 4" 6" 6.1"

1.3"

Jan

1.4"

Feb

2.3"

Mar

4.7"

Apr

5.6"

May

5.5"

Jun

6.1"

Jul

4.7"

Aug

4.2"

Sep

4.0"

Oct

1.9"

Nov

1.4"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	1.3
February	1.4
March	2.3
April	4.7
May	5.6
June	5.5
July	6.1
August	4.7
September	4.2
October	4.0
November	1.9
December	1.4

Sunrise / Sunset

Jan: 7:34 AM – 4:26 PM · 8h 51m

Feb: 6:56 AM – 5:04 PM · 10h 08m

Mar: 6:12 AM – 5:48 PM · 11h 37m

Apr: 5:21 AM – 6:39 PM · 13h 18m

May: 4:38 AM – 7:22 PM · 14h 44m

Jun: 4:15 AM – 7:45 PM · 15h 30m

Jul: 4:24 AM – 7:36 PM · 15h 11m

Aug: 5:02 AM – 6:58 PM · 13h 57m

Sep: 5:51 AM – 6:09 PM · 12h 18m

Oct: 6:40 AM – 5:20 PM · 10h 40m

Nov: 7:24 AM – 4:36 PM · 9h 13m

Dec: 7:45 AM – 4:15 PM · 8h 30m

Daylight Longest: 15h 32m · Shortest: 8h 28m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month	Sunrise	Sunset	Daylight
January	7:34 AM	4:26 PM	8h 51m
February	6:56 AM	5:04 PM	10h 08m
March	6:12 AM	5:48 PM	11h 37m
April	5:21 AM	6:39 PM	13h 18m
May	4:38 AM	7:22 PM	14h 44m
June	4:15 AM	7:45 PM	15h 30m
July	4:24 AM	7:36 PM	15h 11m
August	5:02 AM	6:58 PM	13h 57m
September	5:51 AM	6:09 PM	12h 18m
October	6:40 AM	5:20 PM	10h 40m
November	7:24 AM	4:36 PM	9h 13m
December	7:45 AM	4:15 PM	8h 30m

Nearby Stations

Ashley, NDMay 13 - September 28 Aberdeen 35 Wnw, SD May 10 - September 30 Roscoe, SDMay 7 - October 3 Selby, SDMay 8 - October 1 Leola, SDMay 9 - September 28 Pollock, SDMay 8 - September 30

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