Last frost date in Roseville, CA
The average last frost in Roseville is February 22. By April 1 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about November 24, which leaves 277 frost-free days. An early freeze before November 9 happens one year in ten.
- Safe after (10% risk)
- Apr 1
- Average first frost
- Nov 24
- Frost-free season
- 277 days
- Hard freeze (28°F) ends
- Jan 17
No frost in the next 6 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2253°
- FriOct 2345°
- SatOct 2446°
- SunOct 2548°
- MonOct 2648°
- TueOct 2748°
Planting calendar for Roseville
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 | Jan 10 | Feb 22 | Apr 1 | Nov 9 | Nov 24 | Dec 21 |
| Hard freeze, 28°F | Dec 17 | Jan 17 | Feb 19 | Nov 21 | Dec 10 | Jan 18 |
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 Sacramento Metro Airport (USW00093225) sits 15.4 miles from the center of Roseville at 23 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 Roseville, CA?
The average last frost date in Roseville is February 22, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 1.
When is the first frost in Roseville?
The first frost in fall usually comes around November 24. One year in ten it arrives before November 9.
How long is the growing season in Roseville?
About 277 days between the average last and first frost.
When should I plant tomatoes in Roseville?
Plant tomato seedlings outside from March 1 to March 15. Start seeds indoors six to eight weeks earlier.
Nearby in California
- AntelopeJan 12
- RocklinFeb 25
- Citrus HeightsJan 12
- Foothill FarmsJan 12
- LincolnFeb 25
- North HighlandsJan 12
- OrangevaleJan 12
- Granite BayFeb 25
- Fair OaksJan 12
- CarmichaelJan 12
- FolsomJan 12
- Arden-ArcadeJan 12