Last frost date in Apple Valley, MN
Expect the last frost in Apple Valley around May 2. Frost after May 16 happens in only one year out of ten. The first fall frost usually arrives about October 5, which leaves 155 frost-free days. An early freeze before September 22 happens one year in ten.
- Safe after (10% risk)
- May 16
- Average first frost
- Oct 5
- Frost-free season
- 155 days
- Hard freeze (28°F) ends
- Apr 22
No frost in the next 7 nights
Later than usual: the average first frost here is October 5.
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2254°
- FriOct 2359°
- SatOct 2449°
- SunOct 2543°
- MonOct 2639°
- TueOct 2740°
- WedOct 2841°
Planting calendar for Apple Valley
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 19 | May 2 | May 16 | Sep 22 | Oct 5 | Oct 19 |
| Hard freeze, 28°F | Apr 8 | Apr 22 | May 7 | Oct 2 | Oct 17 | Oct 31 |
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 Rosemount Rsch & Outreach Center (USC00217107) sits 5.4 miles from the center of Apple Valley at 945 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 Apple Valley, MN?
The average last frost date in Apple Valley is May 2, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 16.
When is the first frost in Apple Valley?
The first frost in fall usually comes around October 5. One year in ten it arrives before September 22.
How long is the growing season in Apple Valley?
About 155 days between the average last and first frost.
When should I plant tomatoes in Apple Valley?
Plant tomato seedlings outside from May 9 to May 23. Start seeds indoors six to eight weeks earlier.
Nearby in Minnesota
- BurnsvilleApr 27
- EaganApr 23
- LakevilleApr 27
- FarmingtonApr 27
- RosemountMay 2
- BloomingtonApr 23
- SavageApr 23
- Inver Grove HeightsApr 24
- RichfieldApr 23
- Prior LakeApr 23
- West St. PaulApr 24
- South St. PaulApr 24