When to plant in Kea‘au, HI
Planting dates worked out from Kea‘au's own frost records, not a generic zone chart.
Frost is rare in Kea‘au: in 15 of the last 15 springs there was none at all. Frost dates matter less here than heat, so the planting table below is left out.
Station used: Hilo 5 S · 5.4 km away · station 190 m, town 98 m. How we match towns to stations
Kea‘au's weather over time
How the growing season has shifted here, year by year, from the station's own records.
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 2006 | 363 |
| 2007 | 363 |
| 2008 | 363 |
| 2009 | 363 |
| 2010 | 363 |
| 2011 | 363 |
| 2012 | 363 |
| 2013 | 363 |
| 2014 | 363 |
| 2015 | 363 |
| 2016 | 363 |
| 2017 | 363 |
| 2018 | 363 |
| 2019 | 363 |
| 2020 | 363 |
| 2021 | 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 |
|---|---|
| 2006 | 21.7 °C |
| 2007 | 21.9 °C |
| 2008 | 21.7 °C |
| 2009 | 21.9 °C |
| 2010 | 21.4 °C |
| 2011 | 21.5 °C |
| 2012 | 21.2 °C |
| 2013 | 22.1 °C |
| 2014 | 22.5 °C |
| 2015 | 22.9 °C |
| 2016 | 22.7 °C |
| 2017 | 22.7 °C |
| 2019 | 23.1 °C |
| 2020 | 22.4 °C |
| 2021 | 21.9 °C |
| 2023 | 22.1 °C |
| 2024 | 22.2 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Hilo 5 S (NOAA GHCN-Daily). Years with too many missing days are left out.