When to plant in Seaside, CA
Planting dates worked out from Seaside's own frost records, not a generic zone chart.
Frost is rare in Seaside: in 23 of the last 28 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 14
1 year in 10 has a later frost
Average last frost
Jan 4
about a 50% chance of a later one
Average first fall frost
Dec 30
1 year in 10 by Dec 31
Frost-free days
363
median, 1991–2020
Station used: Monterey · 2.1 km away · station 37 m, town 7 m. How we match towns to stations
Seaside'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 |
|---|---|
| 1942 | Feb 14 |
| 1949 | Feb 14 |
| 1950 | Mar 12 |
| 1952 | Jan 2 |
| 1953 | Mar 2 |
| 1956 | Feb 2 |
| 1957 | Jan 30 |
| 1960 | Jan 4 |
| 1962 | Feb 27 |
| 1972 | Jan 4 |
| 1974 | Jan 2 |
| 1975 | Jan 30 |
| 1976 | Mar 3 |
| 1982 | Jan 8 |
| 1987 | Jan 10 |
| 1989 | Feb 7 |
| 1993 | Jan 4 |
| 1997 | Jan 14 |
| 2002 | Jan 29 |
| 2007 | Jan 15 |
| 2013 | Jan 14 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1942 | 261 |
| 1949 | 299 |
| 1952 | 362 |
| 1953 | 303 |
| 1954 | 359 |
| 1956 | 309 |
| 1957 | 334 |
| 1958 | 363 |
| 1959 | 363 |
| 1960 | 360 |
| 1961 | 363 |
| 1962 | 300 |
| 1964 | 363 |
| 1965 | 363 |
| 1966 | 363 |
| 1967 | 346 |
| 1968 | 363 |
| 1969 | 363 |
| 1970 | 363 |
| 1971 | 363 |
| 1972 | 334 |
| 1973 | 363 |
| 1974 | 362 |
| 1975 | 334 |
| 1976 | 302 |
| 1977 | 363 |
| 1978 | 339 |
| 1979 | 363 |
| 1980 | 363 |
| 1981 | 363 |
| 1982 | 356 |
| 1983 | 363 |
| 1984 | 363 |
| 1985 | 363 |
| 1986 | 363 |
| 1987 | 354 |
| 1988 | 361 |
| 1989 | 326 |
| 1990 | 352 |
| 1991 | 363 |
| 1992 | 363 |
| 1993 | 360 |
| 1994 | 363 |
| 1995 | 363 |
| 1996 | 363 |
| 1997 | 350 |
| 1998 | 353 |
| 1999 | 363 |
| 2000 | 363 |
| 2001 | 363 |
| 2002 | 335 |
| 2003 | 363 |
| 2004 | 363 |
| 2005 | 363 |
| 2006 | 363 |
| 2007 | 349 |
| 2008 | 363 |
| 2009 | 363 |
| 2010 | 363 |
| 2011 | 363 |
| 2012 | 363 |
| 2013 | 328 |
| 2014 | 363 |
| 2015 | 363 |
| 2018 | 363 |
| 2021 | 363 |
| 2022 | 363 |
| 2023 | 363 |
| 2024 | 363 |
| 2025 | 363 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1949 | 14.7 °C |
| 1950 | 14.4 °C |
| 1952 | 14.3 °C |
| 1953 | 14.3 °C |
| 1954 | 14.2 °C |
| 1955 | 13.3 °C |
| 1956 | 14.3 °C |
| 1957 | 15.4 °C |
| 1958 | 16.2 °C |
| 1959 | 15.4 °C |
| 1960 | 15.0 °C |
| 1961 | 15.6 °C |
| 1962 | 14.2 °C |
| 1964 | 13.8 °C |
| 1965 | 14.1 °C |
| 1966 | 14.8 °C |
| 1967 | 14.3 °C |
| 1968 | 14.8 °C |
| 1969 | 14.2 °C |
| 1970 | 14.7 °C |
| 1971 | 14.5 °C |
| 1972 | 15.2 °C |
| 1973 | 14.9 °C |
| 1974 | 14.6 °C |
| 1975 | 14.1 °C |
| 1976 | 15.1 °C |
| 1977 | 14.7 °C |
| 1978 | 15.3 °C |
| 1979 | 15.6 °C |
| 1980 | 14.8 °C |
| 1981 | 14.7 °C |
| 1982 | 14.5 °C |
| 1983 | 15.8 °C |
| 1984 | 15.6 °C |
| 1985 | 15.3 °C |
| 1986 | 14.7 °C |
| 1987 | 15.4 °C |
| 1988 | 15.1 °C |
| 1989 | 15.0 °C |
| 1990 | 15.7 °C |
| 1991 | 14.3 °C |
| 1992 | 16.4 °C |
| 1993 | 15.9 °C |
| 1994 | 14.8 °C |
| 1995 | 15.5 °C |
| 1996 | 15.5 °C |
| 1997 | 16.3 °C |
| 1998 | 15.0 °C |
| 1999 | 13.9 °C |
| 2000 | 15.1 °C |
| 2001 | 14.5 °C |
| 2002 | 14.2 °C |
| 2003 | 14.9 °C |
| 2004 | 15.1 °C |
| 2005 | 14.3 °C |
| 2006 | 14.5 °C |
| 2007 | 14.2 °C |
| 2008 | 14.2 °C |
| 2009 | 14.6 °C |
| 2010 | 13.7 °C |
| 2011 | 13.8 °C |
| 2012 | 13.6 °C |
| 2013 | 14.9 °C |
| 2014 | 15.7 °C |
| 2015 | 16.1 °C |
| 2016 | 15.0 °C |
| 2018 | 15.2 °C |
| 2021 | 14.6 °C |
| 2022 | 15.2 °C |
| 2023 | 14.4 °C |
| 2024 | 14.5 °C |
| 2025 | 15.0 °C |
| 2026 | 15.5 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Monterey (NOAA GHCN-Daily). Years with too many missing days are left out.