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Plan your vegetable garden in Minnesota

All the statistical weather information you need to prepare a bulletproof plan for your garden in Minnesota

Temperature range in Minnesota

Minnesota has temperatures ranging from -36°F to 95°F, with approximately 154 frost free days.

Minnesota has 139 days with average temperature range from 50°F to 90°F that are suitable for growing warm season vegetables and 112 days with average temperature range from 40°F to 80°F that are suitable for growing cool season vegetables

Chart displaying weekly air temperature in Minnesota

Minnesota air temperature chart based on weather statistics from 2019 to 2023

Total frost free days (after last frost and before first frost)154
Total days suitable to grow warm season vegetables139
Total days suitable to grow cool season vegetables112
Day with highest recorded temperature in past 4 yearsJune 05: 95°F
Day with lowest recorded temperature in past 4 yearsJanuary 31: -36°F
First expected frost dateOctober 14
Last expected frost dateMay 13

Notable temperature facts for gardening in Minnesota

Warm season vegetables you can grow in Minnesota

Chart displaying days suitable for growing warm season vegetables in Minnesota

Days suitable for growing warm season vegetables in Minnesota

Warm season vegetables can be planted in Minnesota after May 21 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 Minnesota
Pixel art image of Summer squash

Summer squash

Cool season vegetables you can grow in Minnesota

Chart displaying days suitable for growing cool season vegetables in Minnesota

Days suitable for growing cool season vegetables in Minnesota

Cool season vegetables can be planted in Minnesota after May 11 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.

Cool season vegetables that can be planted directly into soil in Minnesota
Cool season vegetables that need to be started indoors before transplanting outdoors in Minnesota

Table with days suitable to grow vegetables in Minnesota

Tolerable temperature range for cool season vegetables: 40°F to 80°F

Tolerable temperature range for warm season vegetables: 50°F to 90°F

WeekAverage temperaturePossible min and max temperatureSuitable for cool season vegetablesSuitable for warm season vegetables
1January 01 - January 038°F to 24°F-20°F to 38°F
2January 04 - January 1011°F to 25°F-23°F to 39°F
3January 11 - January 1714°F to 27°F-15°F to 39°F
4January 18 - January 246°F to 21°F-19°F to 38°F
5January 25 - January 310°F to 16°F-36°F to 32°F
6February 01 - February 075°F to 21°F-23°F to 41°F
7February 08 - February 142°F to 19°F-25°F to 41°F
8February 15 - February 213°F to 23°F-26°F to 40°F
9February 22 - February 289°F to 25°F-13°F to 42°F
10March 01 - March 0715°F to 32°F-13°F to 60°F
11March 08 - March 1422°F to 39°F-6°F to 63°F
12March 15 - March 2124°F to 41°F6°F to 62°F
13March 22 - March 2826°F to 43°F8°F to 60°F
14March 29 - April 0428°F to 46°F7°F to 70°F
15April 05 - April 1135°F to 52°F18°F to 75°F
16April 12 - April 1830°F to 48°F16°F to 72°F
17April 19 - April 2535°F to 53°F21°F to 71°F
18April 26 - May 0239°F to 57°F26°F to 81°F
19May 03 - May 0941°F to 61°F33°F to 77°FTRUE
20May 10 - May 1647°F to 67°F31°F to 84°FTRUE
21May 17 - May 2350°F to 68°F36°F to 81°FTRUETRUE
22May 24 - May 3053°F to 72°F39°F to 84°FTRUETRUE
23May 31 - June 0658°F to 79°F46°F to 95°FTRUETRUE
24June 07 - June 1360°F to 79°F46°F to 93°FTRUETRUE
25June 14 - June 2062°F to 81°F52°F to 93°FTRUETRUE
26June 21 - June 2762°F to 79°F50°F to 89°FTRUETRUE
27June 28 - July 0466°F to 84°F58°F to 93°FTRUE
28July 05 - July 1164°F to 81°F54°F to 91°FTRUE
29July 12 - July 1864°F to 82°F56°F to 92°FTRUE
30July 19 - July 2565°F to 83°F57°F to 92°FTRUE
31July 26 - August 0165°F to 82°F55°F to 92°FTRUE
32August 02 - August 0864°F to 81°F55°F to 92°FTRUE
33August 09 - August 1563°F to 79°F56°F to 86°FTRUETRUE
34August 16 - August 2263°F to 80°F55°F to 93°FTRUETRUE
35August 23 - August 2964°F to 79°F55°F to 92°FTRUETRUE
36August 30 - September 0560°F to 77°F52°F to 94°FTRUETRUE
37September 06 - September 1256°F to 72°F41°F to 86°FTRUETRUE
38September 13 - September 1957°F to 75°F43°F to 85°FTRUETRUE
39September 20 - September 2656°F to 72°F47°F to 85°FTRUETRUE
40September 27 - October 0354°F to 68°F39°F to 84°FTRUETRUE
41October 04 - October 1049°F to 64°F35°F to 78°FTRUE
42October 11 - October 1742°F to 55°F28°F to 77°FTRUE
43October 18 - October 2440°F to 54°F24°F to 73°FTRUE
44October 25 - October 3133°F to 46°F11°F to 63°F
45November 01 - November 0734°F to 49°F14°F to 71°F
46November 08 - November 1430°F to 42°F6°F to 68°F
47November 15 - November 2127°F to 40°F9°F to 60°F
48November 22 - November 2824°F to 37°F10°F to 49°F
49November 29 - December 0523°F to 36°F1°F to 49°F
50December 06 - December 1218°F to 32°F-12°F to 49°F
51December 13 - December 1916°F to 29°F-11°F to 51°F
52December 20 - December 2614°F to 28°F-16°F to 49°F
53December 27 - December 3114°F to 28°F-9°F to 41°F

Table with days suitable to grow vegetables in Minnesota

Counties in Minnesota

For more precise weather statisctics and planting information, please select a County.