Plan your vegetable garden in South Dakota
All the statistical weather information you need to prepare a bulletproof plan for your garden in South Dakota
Temperature range in South Dakota
South Dakota has temperatures ranging from -26°F to 100°F, with approximately 152 frost free days.
South Dakota has 126 days with average temperature range from 50°F to 90°F that are suitable for growing warm season vegetables and 67 days with average temperature range from 40°F to 80°F that are suitable for growing cool season vegetables
South Dakota air temperature chart based on weather statistics from 2019 to 2023
| Total frost free days (after last frost and before first frost) | 152 |
| Total days suitable to grow warm season vegetables | 126 |
| Total days suitable to grow cool season vegetables | 67 |
| Day with highest recorded temperature in past 4 years | July 28: 100°F |
| Day with lowest recorded temperature in past 4 years | January 30: -26°F |
| First expected frost date | October 11 |
| Last expected frost date | May 12 |
Notable temperature facts for gardening in South Dakota
Warm season vegetables you can grow in South Dakota
Days suitable for growing warm season vegetables in South Dakota
Warm season vegetables can be planted in South Dakota after May 22 when air temperatures are consistently above 50°F (10°C) and soil temperature is above 50°F (10°C)
Good temperature range for warm season vegetables is between 50°F and 90°F. With warm season vegetables it is important to wait until all conditions are optimal, because sudden temperature drop can stun new vegetable growth, this way delaying overall harvest.
Warm season vegetables that can be planted directly into soil in South Dakota
Warm season vegetables that need to be started indoors before transplanting outdoors in South Dakota
Cool season vegetables you can grow in South Dakota
Days suitable for growing cool season vegetables in South Dakota
Cool season vegetables can be planted in South Dakota after May 05 when average air temperature is consistently above 40°F (4°C) and soil temperature is above 45°F (7°C)
Good temperature range for cool season vegetables is between 40°F and 80°F. With cool season vegetables it is important to avoid high air temperatures because exposure to high temperatures is most likely to stun growth, cause bitterness and encourage premature bolting in some plants. Plan your cool vegetable planting so they are harvested before hot weather stretch, provide them with additional shading.
Table with days suitable to grow vegetables in South Dakota
Tolerable temperature range for cool season vegetables: 40°F to 80°F
Tolerable temperature range for warm season vegetables: 50°F to 90°F
| Week | Average temperature | Possible min and max temperature | Suitable for cool season vegetables | Suitable for warm season vegetables | |
|---|---|---|---|---|---|
| 1 | January 01 - January 03 | 10°F to 28°F | -13°F to 41°F | ||
| 2 | January 04 - January 10 | 15°F to 30°F | -10°F to 42°F | ||
| 3 | January 11 - January 17 | 18°F to 33°F | -12°F to 49°F | ||
| 4 | January 18 - January 24 | 11°F to 28°F | -11°F to 46°F | ||
| 5 | January 25 - January 31 | 9°F to 27°F | -26°F to 48°F | ||
| 6 | February 01 - February 07 | 11°F to 29°F | -8°F to 51°F | ||
| 7 | February 08 - February 14 | 7°F to 27°F | -19°F to 50°F | ||
| 8 | February 15 - February 21 | 8°F to 28°F | -18°F to 49°F | ||
| 9 | February 22 - February 28 | 10°F to 29°F | -18°F to 55°F | ||
| 10 | March 01 - March 07 | 19°F to 38°F | -17°F to 63°F | ||
| 11 | March 08 - March 14 | 23°F to 42°F | 4°F to 66°F | ||
| 12 | March 15 - March 21 | 25°F to 44°F | 5°F to 67°F | ||
| 13 | March 22 - March 28 | 27°F to 48°F | 13°F to 60°F | ||
| 14 | March 29 - April 04 | 29°F to 51°F | 8°F to 75°F | ||
| 15 | April 05 - April 11 | 34°F to 56°F | 13°F to 78°F | ||
| 16 | April 12 - April 18 | 29°F to 48°F | 15°F to 73°F | ||
| 17 | April 19 - April 25 | 36°F to 59°F | 23°F to 77°F | ||
| 18 | April 26 - May 02 | 40°F to 62°F | 27°F to 82°F | TRUE | |
| 19 | May 03 - May 09 | 43°F to 63°F | 33°F to 75°F | TRUE | |
| 20 | May 10 - May 16 | 46°F to 67°F | 31°F to 82°F | TRUE | |
| 21 | May 17 - May 23 | 49°F to 68°F | 35°F to 83°F | TRUE | |
| 22 | May 24 - May 30 | 53°F to 73°F | 41°F to 84°F | TRUE | TRUE |
| 23 | May 31 - June 06 | 58°F to 80°F | 46°F to 96°F | TRUE | TRUE |
| 24 | June 07 - June 13 | 61°F to 81°F | 49°F to 96°F | TRUE | |
| 25 | June 14 - June 20 | 64°F to 85°F | 53°F to 98°F | TRUE | |
| 26 | June 21 - June 27 | 61°F to 81°F | 52°F to 96°F | TRUE | |
| 27 | June 28 - July 04 | 66°F to 87°F | 60°F to 98°F | TRUE | |
| 28 | July 05 - July 11 | 65°F to 83°F | 52°F to 96°F | TRUE | |
| 29 | July 12 - July 18 | 65°F to 86°F | 56°F to 97°F | TRUE | |
| 30 | July 19 - July 25 | 66°F to 87°F | 57°F to 95°F | TRUE | |
| 31 | July 26 - August 01 | 66°F to 86°F | 57°F to 100°F | TRUE | |
| 32 | August 02 - August 08 | 65°F to 84°F | 55°F to 99°F | TRUE | |
| 33 | August 09 - August 15 | 65°F to 84°F | 57°F to 92°F | TRUE | |
| 34 | August 16 - August 22 | 64°F to 85°F | 56°F to 97°F | TRUE | |
| 35 | August 23 - August 29 | 65°F to 84°F | 53°F to 96°F | TRUE | |
| 36 | August 30 - September 05 | 62°F to 83°F | 52°F to 96°F | TRUE | |
| 37 | September 06 - September 12 | 56°F to 76°F | 39°F to 93°F | TRUE | TRUE |
| 38 | September 13 - September 19 | 58°F to 79°F | 48°F to 88°F | TRUE | TRUE |
| 39 | September 20 - September 26 | 56°F to 75°F | 46°F to 86°F | TRUE | TRUE |
| 40 | September 27 - October 03 | 55°F to 72°F | 38°F to 89°F | TRUE | TRUE |
| 41 | October 04 - October 10 | 48°F to 68°F | 33°F to 81°F | TRUE | |
| 42 | October 11 - October 17 | 41°F to 58°F | 26°F to 78°F | TRUE | |
| 43 | October 18 - October 24 | 40°F to 56°F | 24°F to 76°F | TRUE | |
| 44 | October 25 - October 31 | 30°F to 47°F | 7°F to 65°F | ||
| 45 | November 01 - November 07 | 35°F to 54°F | 14°F to 74°F | ||
| 46 | November 08 - November 14 | 29°F to 45°F | 8°F to 70°F | ||
| 47 | November 15 - November 21 | 30°F to 46°F | 9°F to 63°F | ||
| 48 | November 22 - November 28 | 26°F to 42°F | 15°F to 56°F | ||
| 49 | November 29 - December 05 | 25°F to 40°F | 8°F to 62°F | ||
| 50 | December 06 - December 12 | 22°F to 37°F | 0°F to 56°F | ||
| 51 | December 13 - December 19 | 18°F to 32°F | -8°F to 48°F | ||
| 52 | December 20 - December 26 | 16°F to 32°F | -20°F to 54°F | ||
| 53 | December 27 - December 31 | 16°F to 30°F | -1°F to 40°F |
Table with days suitable to grow vegetables in South Dakota
Counties in South Dakota
For more precise weather statisctics and planting information, please select a County.
Aurora County
Beadle County
Bennett County
Bon Homme County
Brookings County
Brown County
Brule County
Buffalo County
Butte County
Campbell County
Charles Mix County
Clark County
Clay County
Codington County
Corson County
Custer County
Davison County
Day County
Deuel County
Dewey County
Douglas County
Edmunds County
Fall River County
Faulk County
Grant County
Gregory County
Haakon County
Hamlin County
Hand County
Hanson County
Harding County
Hughes County
Hutchinson County
Hyde County
Jackson County
Jerauld County
Jones County
Kingsbury County
Lake County
Lawrence County
Lincoln County
Lyman County
Marshall County
McCook County
McPherson County
Meade County
Mellette County
Miner County
Minnehaha County
Moody County
Oglala Lakota County
Pennington County
Perkins County
Potter County
Roberts County
Sanborn County
Spink County
Stanley County
Sully County
Todd County
Tripp County
Turner County
Union County
Walworth County
Yankton County
Ziebach County
All data is provided “as is” without warranty or any representation of accuracy, timeliness or completeness.
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Average daily temperatures were calculated using
