USDA Hardiness Zone 10b
Frost Dates for 90503 — Torrance, California
NOAA 1991–2020 normals from Redondo Beach, CA (142 ft), 1 miles west.
Updated
Frost is not a yearly event in Torrance: a night at or below 32°F came in 3% of the winters of 1991–2020 at Redondo Beach, CA, and a 36°F night, cold enough for frost on exposed leaves, in 50%. There is no reliable "last frost date" here; most years have none.
- Winters with a freeze
- 3%
- Winters with 36°F
- 50%
- Coldest month low
- —
- Hardiness zone
- 10b
32°F or below, 1991–2020
frost possible on leaves
35 to 40°F (1.7 to 4.4°C) coldest night
- First snow
- Rare
- Last snow
- Rare
- Winters with snow
- 0%
- Snow per year
- 0"
median, 1991–2020
median, 1991–2020
0 of 20 observed
NOAA normal
Frost risk by date in Torrance
At Redondo Beach, CA, 1 mile west of Torrance, 3% of the winters of 1991–2020 had at least one night at or below 32°F, and none reached 28°F. Nights of 36°F, enough for frost on exposed leaves, are more common (50% of winters) and, when they come, fall between about December 29 and January 10. 62 of the 283 other California stations behind this site's ZIP pages freeze in fewer than half of winters too.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F50% of yrs | Dec 16 | Dec 24 | Dec 31 | Jan 3 | Jan 10 | Jan 18 | Jan 28 | Feb 7 | Feb 21 |
| 32°F3% of yrs | too rare for a date | ||||||||
| 28°F0% of yrs | never in 1991–2020 | ||||||||
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F50% of yrs | Dec 10 | Dec 15 | Dec 20 | Dec 24 | Dec 29 | Jan 2 | Jan 8 | Jan 21 | Feb 5 |
| 32°F3% of yrs | too rare for a date | ||||||||
| 28°F0% of yrs | never in 1991–2020 | ||||||||
Freeze probabilities 1991–2020 at Redondo Beach, CA, from NOAA NCEI U.S. Climate Normals. Where a temperature is reached in fewer than 99.5% of years, the dates describe only the years that reach it. Not a forecast.
Frost risk on any date in 90503 →Compare Torrance with another place →
Compared with the next station
The nearest other station, Torrance Airport, CA, 3 miles south of Torrance, has a 32°F night in 11% of winters against 3% here.
When it snows in Torrance, California
Measurable snow is rare here: only 0 of 20 winters from 1991 to 2020 recorded 0.1 inch or more at Torrance Airport, CA, 2.8 miles away, so there is no typical first-snow date to plan around.
Where these figures come from
ZIP 90503 is 1 mile from Redondo Beach, CA, which stands at 142 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 4 other ZIP codes share the station. The 2023 USDA Plant Hardiness Zone Map lists ZIP 90503 in zone 10b, the band where the coldest night of the year averaged 35 to 40°F (1.7 to 4.4°C) over 1991–2020; a zone describes winter lows, not frost dates.
Frost dates across California →
Hardiness zone and temperature range: USDA Plant Hardiness Zone Map 2023 (USDA-ARS, Oregon State University), ZIP-code listing, unchanged. °C converted from °F by this site.
Thirty-year averages, not a forecast: check the forecast before planting out. How stations are matched and which pages are offered to search engines: methodology.