When to plant in Ehrenberg, AZ

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

Frost is rare in Ehrenberg: in 15 of the last 29 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

Feb 24

1 year in 10 has a later frost

Average last frost

Jan 15

about a 50% chance of a later one

Average first fall frost

Dec 18

1 year in 10 by Nov 28

Frost-free days

334

median, 1991–2020

Station used: Blythe Asos · 17.6 km away · station 120 m, town 93 m. How we match towns to stations

Ehrenberg'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
1949	Feb 15
1950	Feb 1
1951	Mar 4
1952	Jan 11
1953	Feb 23
1954	Jan 4
1955	Feb 22
1956	Mar 13
1960	Feb 25
1961	Jan 8
1962	Feb 28
1963	Jan 21
1964	Feb 27
1965	Feb 13
1966	Feb 14
1967	Jan 9
1968	Jan 5
1969	Feb 1
1970	Jan 30
1971	Mar 3
1972	Feb 14
1973	Jan 25
1974	Jan 3
1975	Feb 1
1976	Jan 8
1977	Jan 10
1979	Jan 29
1982	Jan 4
1985	Feb 7
1986	Feb 10
1987	Jan 22
1988	Jan 21
1989	Feb 7
1990	Feb 20
1993	Jan 4
1994	Feb 3
1996	Feb 27
2001	Feb 9
2002	Mar 4
2006	Jan 11
2007	Jan 18
2008	Feb 6
2009	Jan 5
2011	Feb 4
2013	Jan 14
2015	Jan 4
2018	Feb 26
2019	Feb 23
2022	Feb 25
2023	Jan 22
2024	Jan 12

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1949	299
1950	283
1951	291
1952	317
1953	286
1954	358
1955	311
1956	292
1957	363
1958	363
1959	363
1960	285
1961	337
1962	305
1963	326
1964	289
1965	320
1966	313
1967	355
1968	346
1969	332
1970	321
1971	240
1972	294
1973	339
1974	357
1975	301
1976	349
1977	354
1978	339
1979	335
1980	363
1982	360
1983	363
1984	363
1985	308
1986	303
1987	326
1988	336
1989	309
1990	313
1991	334
1992	330
1993	360
1994	289
1996	294
1997	363
1998	363
1999	363
2000	316
2001	306
2002	290
2003	360
2004	357
2005	339
2006	323
2007	341
2008	327
2009	333
2010	329
2011	305
2012	363
2013	329
2014	360
2015	346
2016	363
2017	355
2018	307
2019	310
2020	363
2021	348
2022	292
2023	342
2024	352

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

See the data as a table

Year	Growing-season temperature
1949	30.3 °C
1950	29.6 °C
1951	29.6 °C
1952	30.3 °C
1953	29.2 °C
1954	30.4 °C
1955	29.0 °C
1956	29.9 °C
1957	29.7 °C
1958	30.7 °C
1959	30.4 °C
1960	31.2 °C
1961	29.9 °C
1962	30.5 °C
1963	29.5 °C
1964	29.4 °C
1965	29.1 °C
1966	30.8 °C
1967	29.1 °C
1968	29.3 °C
1969	30.9 °C
1970	29.7 °C
1971	28.7 °C
1972	30.7 °C
1973	30.3 °C
1974	30.6 °C
1975	28.6 °C
1976	28.2 °C
1977	29.3 °C
1978	29.6 °C
1979	29.9 °C
1980	29.8 °C
1981	31.8 °C
1982	29.1 °C
1983	29.3 °C
1984	30.2 °C
1985	30.2 °C
1986	29.6 °C
1987	30.2 °C
1988	29.2 °C
1989	30.3 °C
1990	29.6 °C
1991	28.7 °C
1992	30.5 °C
1993	29.7 °C
1994	30.9 °C
1996	30.8 °C
1997	31.0 °C
1998	29.2 °C
1999	29.3 °C
2000	31.3 °C
2001	30.5 °C
2002	30.3 °C
2003	30.2 °C
2004	30.0 °C
2005	29.7 °C
2006	30.6 °C
2007	30.4 °C
2008	30.3 °C
2009	30.8 °C
2010	29.6 °C
2011	30.1 °C
2012	30.7 °C
2013	30.5 °C
2014	30.2 °C
2015	30.3 °C
2016	30.6 °C
2017	30.8 °C
2018	31.3 °C
2019	30.1 °C
2020	31.4 °C
2021	31.5 °C
2022	31.4 °C
2023	30.4 °C
2024	32.0 °C

What this means for you: Since 1949, Ehrenberg's last spring frost has come about 1 day earlier per decade, on average. The frost-free season has grown by about 3 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.

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

Nearby towns

Blythe, CA Mesa Verde, CA Quartzsite Big River, CA Parker Cienega Springs