When to plant in Novato, CA
Planting dates worked out from Novato's own frost records, not a generic zone chart.
Frost is rare in Novato: in 15 of the last 27 springs there was none at all. Frost dates matter less here than heat, so the planting table below is left out.
Station used: San Rafael-Civic Ctr · 12.5 km away · station 37 m, town 9 m. How we match towns to stations
Novato's weather over time
How the growing season has shifted here, year by year, from the station's own records.
See the data as a table
| Year | Last spring frost |
|---|---|
| 1894 | Jun 14 |
| 1895 | Mar 16 |
| 1904 | Feb 25 |
| 1905 | Feb 13 |
| 1948 | Feb 7 |
| 1949 | Feb 14 |
| 1950 | Feb 3 |
| 1951 | Mar 3 |
| 1952 | Jan 9 |
| 1954 | Jan 25 |
| 1955 | Mar 1 |
| 1957 | Feb 2 |
| 1960 | Jan 2 |
| 1961 | Jan 7 |
| 1962 | Feb 27 |
| 1963 | Jan 21 |
| 1966 | Mar 17 |
| 1968 | Jan 11 |
| 1969 | Jan 9 |
| 1971 | Jan 5 |
| 1972 | Feb 2 |
| 1973 | Jan 8 |
| 1975 | Jan 30 |
| 1976 | May 22 |
| 1977 | Apr 4 |
| 1979 | Jan 29 |
| 1980 | Jan 30 |
| 1985 | Jan 13 |
| 1989 | Feb 8 |
| 1990 | Feb 19 |
| 1993 | May 7 |
| 1996 | Feb 27 |
| 1997 | Apr 12 |
| 1999 | Jan 5 |
| 2002 | Jan 31 |
| 2003 | Feb 8 |
| 2006 | Feb 20 |
| 2007 | Jan 18 |
| 2009 | Jan 4 |
| 2011 | Feb 27 |
| 2017 | Jan 6 |
| 2018 | Feb 20 |
| 2024 | Jan 11 |
See the data as a table
| Year | Frost-free days |
|---|---|
| 1947 | 325 |
| 1948 | 317 |
| 1949 | 299 |
| 1950 | 330 |
| 1951 | 280 |
| 1952 | 355 |
| 1953 | 363 |
| 1954 | 334 |
| 1955 | 301 |
| 1957 | 331 |
| 1958 | 363 |
| 1959 | 363 |
| 1960 | 362 |
| 1961 | 357 |
| 1964 | 363 |
| 1966 | 288 |
| 1967 | 363 |
| 1968 | 343 |
| 1969 | 355 |
| 1970 | 363 |
| 1971 | 339 |
| 1972 | 305 |
| 1973 | 356 |
| 1975 | 334 |
| 1976 | 222 |
| 1977 | 270 |
| 1978 | 362 |
| 1979 | 335 |
| 1985 | 303 |
| 1986 | 363 |
| 1988 | 358 |
| 1990 | 303 |
| 1991 | 363 |
| 1992 | 346 |
| 1994 | 341 |
| 1995 | 363 |
| 1996 | 288 |
| 1998 | 353 |
| 1999 | 359 |
| 2000 | 314 |
| 2001 | 363 |
| 2002 | 333 |
| 2005 | 363 |
| 2007 | 337 |
| 2008 | 349 |
| 2009 | 335 |
| 2010 | 326 |
| 2012 | 351 |
| 2014 | 363 |
| 2017 | 358 |
| 2018 | 313 |
| 2023 | 363 |
| 2024 | 353 |
| 2025 | 363 |
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1904 | 17.5 °C |
| 1947 | 18.4 °C |
| 1948 | 16.9 °C |
| 1949 | 17.8 °C |
| 1950 | 17.8 °C |
| 1951 | 17.0 °C |
| 1952 | 17.8 °C |
| 1954 | 17.8 °C |
| 1955 | 17.2 °C |
| 1957 | 18.7 °C |
| 1958 | 19.0 °C |
| 1959 | 18.9 °C |
| 1960 | 18.2 °C |
| 1961 | 18.7 °C |
| 1963 | 17.5 °C |
| 1964 | 17.8 °C |
| 1966 | 18.7 °C |
| 1967 | 17.8 °C |
| 1968 | 18.9 °C |
| 1969 | 18.7 °C |
| 1970 | 18.2 °C |
| 1971 | 18.4 °C |
| 1972 | 18.5 °C |
| 1974 | 18.4 °C |
| 1975 | 17.4 °C |
| 1976 | 18.2 °C |
| 1977 | 18.0 °C |
| 1978 | 19.1 °C |
| 1979 | 19.2 °C |
| 1985 | 18.2 °C |
| 1986 | 17.2 °C |
| 1987 | 18.1 °C |
| 1988 | 18.6 °C |
| 1990 | 18.6 °C |
| 1991 | 17.2 °C |
| 1992 | 18.4 °C |
| 1994 | 17.4 °C |
| 1995 | 17.6 °C |
| 1996 | 18.1 °C |
| 1997 | 18.6 °C |
| 1998 | 17.7 °C |
| 1999 | 17.1 °C |
| 2001 | 17.9 °C |
| 2002 | 17.3 °C |
| 2003 | 17.7 °C |
| 2005 | 17.1 °C |
| 2006 | 17.8 °C |
| 2007 | 17.5 °C |
| 2008 | 17.9 °C |
| 2009 | 17.8 °C |
| 2010 | 16.6 °C |
| 2012 | 17.6 °C |
| 2013 | 18.9 °C |
| 2014 | 19.3 °C |
| 2015 | 19.1 °C |
| 2017 | 19.1 °C |
| 2018 | 18.1 °C |
| 2023 | 18.6 °C |
| 2024 | 19.2 °C |
| 2025 | 19.4 °C |
| 2026 | 19.2 °C |
What this means for you: Since 1894, Novato's last spring frost has come about 3 days 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 San Rafael-Civic Ctr (NOAA GHCN-Daily). Years with too many missing days are left out.