GreenlyLast and first frost dates in Whangarei
New Zealand
Whangarei had no frost in 2016–2025, so crops are planted by warmth and rain rather than by frost dates.
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| Last spring frost | none in ten years |
|---|---|
| First autumn frost | none in ten years |
Median of 2016–2025 for the 25 km grid cell of the city: the last day at or below 0 °C in spring and the first in autumn (ERA5 reanalysis via Open-Meteo). In a cold year a frost can come a week or two later — Greenly warns 48 hours ahead.
There is no frost season here: crops are planted by warmth and rain rather than by frost dates.
When the soil warms up in Whangarei
The day the top 7 cm of soil first averages each temperature over a week, median of 2016–2025 (ERA5 via Open-Meteo).
| Soil | Date |
|---|---|
| 5 °C | already in the first week of July |
| 10 °C | already in the first week of July |
| 15 °C | 11 October |
| 18 °C | 17 November |
Frost dates near Whangarei
Of the nearest cities on our list, the last spring frost ends earliest in Hamilton (New Zealand) (6 August) and latest in Rotorua (10 September).
| City | Distance | Last spring frost | First autumn frost |
|---|---|---|---|
| Auckland | 131 km | — | — |
| Hamilton (New Zealand) | 243 km | 6 August | 15 June |
| Tauranga | 273 km | 18 August | — |
| Rotorua | 318 km | 10 September | 26 May |
| New Plymouth | 372 km | — | — |
Seeds, seedlings and markets in Whangarei
Within 15 km of Whangarei OpenStreetMap lists 2 garden centres and 11 farm-supply shops (collected 20 October 2026). The nearest garden centre to the city centre is Palmers, 1 km away.
- Palmers — garden centre
Mon–Sun 08:30+ · 1 km - Northland Seed & Supplies Ltd — farm supply
Okara Drive 8a, Whangārei · Mon–Fri 08:00–17:00 · 1 km · northseedsupplies.co.nz - Advance Dairy & Pump — farm supply
Mon–Fri 08:00–16:30 · 1 km - PGG Wrightson — farm supply
Mon–Fri 07:30–17:00; Sat 09:00–12:00 · 1 km · pggwrightson.co.nz - McQuinn Pumps — farm supply
Kioreroa Road 72, 0110 Whangārei · Mon–Fri 08:00–17:00; Sat, Sun, public holidays closed; Dec–Feb Sat 09:00–12:00 · 2 km · mcquinnpumps.co.nz - Roger Gill Agriculture Farm Machinery — farm supply
Mon–Fri 07:30–17:00; Sat, Sun, public holidays closed · 2 km
Places: © OpenStreetMap contributors, ODbL.
Whangarei: weather for the next 7 days
Forecast by Open-Meteo. Nights at or below 0 °C are marked as frost.
Weather in Whangarei by month
Average weather in Whangarei over 2016–2025: the warmest month is February. Months that average 20 °C or more by day: November–April (20.1–24 °C). No month averages below 0 °C at night; the coldest nights, in August, average 8.7 °C. About 1174 mm of rain falls in a year, on 155 days; July is the wettest month (128 mm) and March the driest (57 mm).
| Month | Day, °C | Night, °C | Rain, mm | Rainy days |
|---|---|---|---|---|
| January | 23.6 | 16 | 91 | 11 |
| February | 24 | 16.3 | 102 | 10 |
| March | 22.4 | 14.9 | 57 | 11 |
| April | 20.1 | 13.5 | 115 | 12 |
| May | 17.7 | 11.5 | 90 | 11 |
| June | 15.7 | 9.8 | 105 | 13 |
| July | 14.9 | 8.9 | 128 | 15 |
| August | 15.1 | 8.7 | 110 | 15 |
| September | 16.4 | 9.6 | 92 | 15 |
| October | 18.1 | 11 | 92 | 14 |
| November | 20.3 | 12.6 | 110 | 15 |
| December | 22.5 | 14.7 | 82 | 13 |
Average of the daily highs and lows, rain per month and days with at least 1 mm (ERA5 via Open-Meteo, the same grid cell as the frost dates).
