Last frost date in Beaumont, CA
In Beaumont, the last spring frost comes around January 31 in an average year. Wait until February 28 if you want 90% odds of no more frost. The first fall frost usually arrives about December 10, which leaves 315 frost-free days. An early freeze before November 22 happens one year in ten.
- Safe after (10% risk)
- Feb 28
- Average first frost
- Dec 10
- Frost-free season
- 315 days
- Hard freeze (28°F) ends
- Jan 3
No frost in the next 6 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2250°
- FriOct 2352°
- SatOct 2456°
- SunOct 2557°
- MonOct 2657°
- TueOct 2758°
Planting calendar for Beaumont
Windows count forward or back from the average frost dates above. Click a crop for dates across California.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Dec 31 | Jan 31 | Feb 28 | Nov 22 | Dec 10 | Jan 6 |
| Hard freeze, 28°F | Dec 11 | Jan 3 | Jan 29 | Dec 2 | Dec 21 | Jan 15 |
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 San Jacinto (USC00047813) sits 5.7 miles from the center of Beaumont at 1,525 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 Beaumont, CA?
The average last frost date in Beaumont is January 31, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after February 28.
When is the first frost in Beaumont?
The first frost in fall usually comes around December 10. One year in ten it arrives before November 22.
How long is the growing season in Beaumont?
About 315 days between the average last and first frost.
When should I plant tomatoes in Beaumont?
Plant tomato seedlings outside from February 15 to March 1. Start seeds indoors six to eight weeks earlier.
Nearby in California
- BanningJan 31
- San JacintoJan 31
- East HemetJan 10
- HemetJan 31
- YucaipaJan 27
- Moreno ValleyJan 27
- PerrisJan 28
- RedlandsJan 27
- MenifeeJan 28
- Loma LindaJan 27
- HighlandJan 27
- French ValleyFeb 2