Last frost date in Woodbury, MN
In Woodbury, the last spring frost comes around April 26 in an average year. Wait until May 11 if you want 90% odds of no more frost. The first fall frost usually arrives about October 12, which leaves 166 frost-free days. An early freeze before September 27 happens one year in ten.
- Safe after (10% risk)
- May 11
- Average first frost
- Oct 12
- Frost-free season
- 166 days
- Hard freeze (28°F) ends
- Apr 16
No frost in the next 7 nights
Later than usual: the average first frost here is October 12.
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2253°
- FriOct 2359°
- SatOct 2449°
- SunOct 2543°
- MonOct 2639°
- TueOct 2740°
- WedOct 2842°
Planting calendar for Woodbury
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 12 | Apr 26 | May 11 | Sep 27 | Oct 12 | Oct 25 |
| Hard freeze, 28°F | Apr 2 | Apr 16 | Apr 30 | Oct 7 | Oct 24 | Nov 6 |
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 St Paul (USC00217377) sits 5.9 miles from the center of Woodbury at 900 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 Woodbury, MN?
The average last frost date in Woodbury is April 26, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 11.
When is the first frost in Woodbury?
The first frost in fall usually comes around October 12. One year in ten it arrives before September 27.
How long is the growing season in Woodbury?
About 166 days between the average last and first frost.
When should I plant tomatoes in Woodbury?
Plant tomato seedlings outside from May 3 to May 17. Start seeds indoors six to eight weeks earlier.
Nearby in Minnesota
- South St. PaulApr 24
- OakdaleApr 26
- Cottage GroveApr 23
- West St. PaulApr 24
- Inver Grove HeightsApr 24
- St. PaulApr 24
- MaplewoodApr 23
- White Bear LakeApr 23
- HastingsApr 23
- RosemountMay 2
- EaganApr 23
- RosevilleApr 28