Last frost date in West Fargo, ND
Expect the last frost in West Fargo around May 4. Frost after May 18 happens in only one year out of ten. The first fall frost usually arrives about October 2, which leaves 151 frost-free days. An early freeze before September 22 happens one year in ten.
- Safe after (10% risk)
- May 18
- Average first frost
- Oct 2
- Frost-free season
- 151 days
- Hard freeze (28°F) ends
- Apr 25
Frost likely Sun night, low 32°F
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2257°
- FriOct 2356°
- SatOct 2433°possible frost
- SunOct 2532°frost
- MonOct 2630°frost
- TueOct 2735°possible frost
- WedOct 2835°possible frost
Planting calendar for West Fargo
Windows count forward or back from the average frost dates above. Click a crop for dates across North Dakota.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Apr 21 | May 4 | May 18 | Sep 22 | Oct 2 | Oct 15 |
| Hard freeze, 28°F | Apr 10 | Apr 25 | May 9 | Sep 29 | Oct 12 | Oct 26 |
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 Fargo 3S (USC00322860) sits 5.5 miles from the center of West Fargo at 908 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 West Fargo, ND?
The average last frost date in West Fargo is May 4, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 18.
When is the first frost in West Fargo?
The first frost in fall usually comes around October 2. One year in ten it arrives before September 22.
How long is the growing season in West Fargo?
About 151 days between the average last and first frost.
When should I plant tomatoes in West Fargo?
Plant tomato seedlings outside from May 11 to May 25. Start seeds indoors six to eight weeks earlier.