Last frost date in Roseville, MN
The average last frost in Roseville is April 28. By May 14 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about October 8, which leaves 162 frost-free days. An early freeze before September 25 happens one year in ten.
- Safe after (10% risk)
- May 14
- Average first frost
- Oct 8
- Frost-free season
- 162 days
- Hard freeze (28°F) ends
- Apr 18
No frost in the next 7 nights
Later than usual: the average first frost here is October 8.
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2253°
- FriOct 2361°
- SatOct 2449°
- SunOct 2543°
- MonOct 2640°
- TueOct 2741°
- WedOct 2843°
Planting calendar for Roseville
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 14 | Apr 28 | May 14 | Sep 25 | Oct 8 | Oct 22 |
| Hard freeze, 28°F | Apr 4 | Apr 18 | May 1 | Oct 3 | Oct 21 | Nov 4 |
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 University Of Mn St Paul (USC00218450) sits 2.2 miles from the center of Roseville at 970 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 Roseville, MN?
The average last frost date in Roseville is April 28, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 14.
When is the first frost in Roseville?
The first frost in fall usually comes around October 8. One year in ten it arrives before September 25.
How long is the growing season in Roseville?
About 162 days between the average last and first frost.
When should I plant tomatoes in Roseville?
Plant tomato seedlings outside from May 5 to May 19. Start seeds indoors six to eight weeks earlier.
Nearby in Minnesota
- New BrightonApr 28
- ShoreviewApr 23
- Columbia HeightsApr 23
- St. PaulApr 24
- MaplewoodApr 23
- MinneapolisApr 23
- FridleyApr 30
- White Bear LakeApr 23
- West St. PaulApr 24
- Brooklyn CenterApr 30
- OakdaleApr 26
- Lino LakesApr 23