When to plant in Paradise Valley, AZ
Planting dates worked out from Paradise Valley's own frost records, not a generic zone chart.
Frost is rare in Paradise Valley: in 9 of the last 19 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 4
1 year in 10 has a later frost
Average last frost
Jan 11
about a 50% chance of a later one
Average first fall frost
Dec 21
1 year in 10 by Nov 30
Frost-free days
344
median, 1991–2020
Station used: Scottsdale Muni Ap · 9.2 km away · station 436 m, town 409 m. How we match towns to stations
Paradise Valley'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 |
|---|---|
| 2002 | Feb 1 |
| 2004 | Jan 5 |
| 2007 | Jan 15 |
| 2008 | Jan 18 |
| 2011 | Feb 4 |
| 2013 | Jan 16 |
| 2015 | Jan 4 |
| 2016 | Feb 4 |
| 2019 | Jan 4 |
| 2020 | Feb 4 |
| 2023 | Jan 24 |
| 2024 | Jan 13 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 2002 | 332 |
| 2003 | 360 |
| 2004 | 328 |
| 2005 | 349 |
| 2006 | 332 |
| 2007 | 344 |
| 2008 | 342 |
| 2009 | 358 |
| 2010 | 332 |
| 2011 | 304 |
| 2012 | 363 |
| 2013 | 324 |
| 2014 | 359 |
| 2015 | 345 |
| 2016 | 329 |
| 2017 | 363 |
| 2018 | 362 |
| 2019 | 358 |
| 2020 | 329 |
| 2021 | 363 |
| 2022 | 349 |
| 2023 | 340 |
| 2024 | 351 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 2002 | 29.4 °C |
| 2003 | 29.3 °C |
| 2004 | 29.1 °C |
| 2005 | 29.4 °C |
| 2006 | 29.6 °C |
| 2007 | 30.0 °C |
| 2008 | 29.6 °C |
| 2009 | 29.8 °C |
| 2010 | 29.2 °C |
| 2011 | 29.6 °C |
| 2012 | 30.0 °C |
| 2013 | 29.9 °C |
| 2014 | 29.5 °C |
| 2015 | 29.6 °C |
| 2016 | 29.6 °C |
| 2017 | 30.0 °C |
| 2018 | 30.6 °C |
| 2019 | 29.6 °C |
| 2020 | 31.1 °C |
| 2021 | 30.1 °C |
| 2022 | 30.6 °C |
| 2023 | 30.3 °C |
| 2024 | 31.1 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Scottsdale Muni Ap (NOAA GHCN-Daily). Years with too many missing days are left out.