When to plant in Rolling Hills, CA

Planting dates worked out from Rolling Hills's own frost records, not a generic zone chart.

Frost is rare in Rolling Hills: in 24 of the last 25 springs there was none at all. Frost dates matter less here than heat, so the planting table below is left out.

Safe to plant out

Jan 1

1 year in 10 has a later frost

Average last frost

Jan 1

about a 50% chance of a later one

Average first fall frost

Dec 29

1 year in 10 by Dec 31

Frost-free days

363

median, 1991–2020

Station used: Torrance Ap · 5.2 km away · station 27 m, town 389 m. How we match towns to stations

The station sits 362 m lower than the town, so frost dates here may be off by a week or more. Check them against local experience.

Rolling Hills's weather over time

How the growing season has shifted here, year by year, from the station's own records.

Each year's last spring frostLong-term trend

See the data as a table

Year	Last spring frost
1932	Mar 4
1933	Jan 23
1936	Apr 1
1937	Jan 26
1938	Jan 8
1939	Mar 2
1940	Mar 13
1942	Feb 20
1943	Jan 20
1944	Mar 15
1945	Mar 22
1946	Jan 31
1947	Jan 16
1948	Feb 13
1949	Jan 25
1950	Jan 27
1952	Jan 5
1954	Feb 20
1956	Apr 6
1960	Jan 3
1963	Apr 18
1971	Jan 7
1973	Jan 5
1976	Jan 3
1987	Jan 17
1989	Mar 3
2000	Jan 10

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1933	341
1936	273
1937	338
1938	308
1939	303
1940	254
1942	313
1943	344
1944	275
1945	283
1946	333
1947	348
1948	313
1949	320
1950	337
1951	340
1952	359
1953	358
1954	310
1956	245
1958	319
1959	363
1960	361
1962	363
1963	256
1964	363
1965	363
1966	363
1967	346
1969	363
1971	357
1972	344
1973	359
1974	363
1975	363
1976	361
1977	363
1978	338
1979	363
1980	363
1981	363
1983	363
1984	363
1985	363
1986	363
1987	342
1988	363
1989	302
1990	354
1991	363
1992	363
1993	363
1994	328
1995	363
1996	363
1997	363
1998	363
1999	363
2000	354
2001	363
2002	363
2003	363
2004	334
2010	363
2012	363
2013	363
2014	363
2015	363
2016	363
2017	363
2018	363
2019	363
2020	363
2021	363
2022	363
2023	363
2024	363

Each year's average temperature, April to SeptemberLong-term trend

See the data as a table

Year	Growing-season temperature
1933	16.6 °C
1935	17.8 °C
1936	18.5 °C
1937	18.1 °C
1938	17.7 °C
1939	18.5 °C
1940	18.1 °C
1942	17.3 °C
1943	17.7 °C
1944	17.3 °C
1945	18.5 °C
1946	18.6 °C
1947	18.9 °C
1948	17.8 °C
1949	18.7 °C
1950	17.9 °C
1951	18.1 °C
1952	18.1 °C
1953	17.6 °C
1954	18.7 °C
1955	17.9 °C
1956	17.6 °C
1958	19.9 °C
1959	19.8 °C
1960	19.2 °C
1961	18.7 °C
1962	17.9 °C
1963	18.5 °C
1964	18.3 °C
1965	18.2 °C
1966	19.3 °C
1967	18.9 °C
1968	19.2 °C
1969	19.0 °C
1971	19.3 °C
1972	19.6 °C
1973	18.8 °C
1974	19.1 °C
1975	17.8 °C
1976	19.2 °C
1977	18.9 °C
1978	19.7 °C
1979	19.9 °C
1980	19.2 °C
1981	20.4 °C
1983	20.0 °C
1984	21.2 °C
1985	19.7 °C
1986	19.2 °C
1987	19.4 °C
1988	19.6 °C
1989	19.5 °C
1990	20.3 °C
1991	18.2 °C
1992	20.4 °C
1993	19.6 °C
1994	19.2 °C
1995	18.5 °C
1996	19.8 °C
1997	20.4 °C
1998	19.0 °C
1999	17.6 °C
2000	19.4 °C
2001	18.6 °C
2002	18.2 °C
2003	18.9 °C
2004	19.6 °C
2010	18.1 °C
2011	18.5 °C
2012	19.3 °C
2013	19.5 °C
2014	20.5 °C
2015	20.4 °C
2016	20.1 °C
2017	20.0 °C
2018	20.0 °C
2019	19.3 °C
2020	19.8 °C
2021	19.3 °C
2022	20.4 °C
2023	18.7 °C
2024	19.1 °C

What this means for you: This station's record is too short to show a reliable trend yet.

Source: daily records from Torrance Ap (NOAA GHCN-Daily). Years with too many missing days are left out.

Nearby towns

Rancho Palos Verdes Rolling Hills Estates Lomita Palos Verdes Estates Torrance West Carson