Last frost date in Eagan, MN
The average last frost in Eagan is April 23. By May 7 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about October 18, which leaves 176 frost-free days. An early freeze before October 1 happens one year in ten.
- Safe after (10% risk)
- May 7
- Average first frost
- Oct 18
- Frost-free season
- 176 days
- Hard freeze (28°F) ends
- Apr 13
No frost in the next 7 nights
Later than usual: the average first frost here is October 18.
National Weather Service forecast, updated Oct 22, 12:24 UTC
- ThuOct 2256°
- FriOct 2361°
- SatOct 2450°
- SunOct 2544°
- MonOct 2640°
- TueOct 2741°
- WedOct 2843°
Planting calendar for Eagan
Windows count forward or back from the average frost dates above. Click a crop for dates across Minnesota.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Apr 8 | Apr 23 | May 7 | Oct 1 | Oct 18 | Oct 31 |
| Hard freeze, 28°F | Apr 1 | Apr 13 | Apr 28 | Oct 15 | Oct 29 | Nov 11 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Minneapolis/st Paul Airport (USW00014922) sits 5.7 miles from the center of Eagan at 872 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Eagan, MN?
The average last frost date in Eagan is April 23, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 7.
When is the first frost in Eagan?
The first frost in fall usually comes around October 18. One year in ten it arrives before October 1.
How long is the growing season in Eagan?
About 176 days between the average last and first frost.
When should I plant tomatoes in Eagan?
Plant tomato seedlings outside from April 30 to May 14. Start seeds indoors six to eight weeks earlier.
Nearby in Minnesota
- Inver Grove HeightsApr 24
- Apple ValleyMay 2
- RosemountMay 2
- BurnsvilleApr 27
- West St. PaulApr 24
- RichfieldApr 23
- BloomingtonApr 23
- South St. PaulApr 24
- St. PaulApr 24
- LakevilleApr 27
- SavageApr 23
- FarmingtonApr 27