Last frost date in Ridgecrest, CA
The average last frost in Ridgecrest is March 11. By April 9 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about November 12, which leaves 244 frost-free days. An early freeze before October 29 happens one year in ten.
- Safe after (10% risk)
- Apr 9
- Average first frost
- Nov 12
- Frost-free season
- 244 days
- Hard freeze (28°F) ends
- Feb 20
No frost in the next 6 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2243°
- FriOct 2346°
- SatOct 2446°
- SunOct 2547°
- MonOct 2647°
- TueOct 2747°
Planting calendar for Ridgecrest
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 | Feb 18 | Mar 11 | Apr 9 | Oct 29 | Nov 12 | Nov 25 |
| Hard freeze, 28°F | Jan 29 | Feb 20 | Mar 9 | Nov 6 | Nov 23 | Dec 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 China Lake Naf (USW00093104) sits 4.4 miles from the center of Ridgecrest at 2,230 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 Ridgecrest, CA?
The average last frost date in Ridgecrest is March 11, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 9.
When is the first frost in Ridgecrest?
The first frost in fall usually comes around November 12. One year in ten it arrives before October 29.
How long is the growing season in Ridgecrest?
About 244 days between the average last and first frost.
When should I plant tomatoes in Ridgecrest?
Plant tomato seedlings outside from March 18 to April 1. Start seeds indoors six to eight weeks earlier.
Nearby in California
- RosamondApr 3
- BarstowFeb 22
- LancasterApr 3
- East NilesJan 31
- AdelantoMar 18
- PalmdaleMar 10
- VictorvilleMar 18
- OildaleJan 31
- BakersfieldJan 31
- Apple ValleyMar 18
- PortervilleJan 20
- ShafterFeb 20