Greenly Garden

Last and first frost dates in Newcastle

Australia

Newcastle had no frost in 2016–2025, so crops are planted by warmth and rain rather than by frost dates.

Last spring frostnone in ten years
First autumn frostnone 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 Newcastle

The day the top 7 cm of soil first averages each temperature over a week, median of 2016–2025 (ERA5 via Open-Meteo).

SoilDate
5 °Calready in the first week of July
10 °Calready in the first week of July
15 °C16 August
18 °C21 September

Frost dates near Newcastle

Of the nearest cities on our list, the last spring frost ends earliest in Dubbo (29 July) and latest in Canberra (18 September).

CityDistanceLast spring frostFirst autumn frost
Sydney117 km——
Wollongong185 km——
Orange253 km24 August13 June
Dubbo307 km29 July19 June
Canberra357 km18 September30 May

Seeds, seedlings and markets in Newcastle

Within 15 km of Newcastle OpenStreetMap lists 5 garden centres and 1 market (collected 20 October 2026). The nearest garden centre to the city centre is Lee Rowan's, 12 km away.

Places: © OpenStreetMap contributors, ODbL.

Weather in Newcastle by month

Average weather in Newcastle over 2016–2025: the warmest month is January. Months that average 20 °C or more by day: September–May (20–27.8 °C). No month averages below 0 °C at night; the coldest nights, in July, average 9.9 °C. About 1010 mm of rain falls in a year, on 126 days; March is the wettest month (150 mm) and September the driest (60 mm).

MonthDay, °CNight, °CRain, mmRainy days
January27.820.99912
February2720.79612
March25.519.615015
April2316.48112
May20137810
June17.210.59510
July17.49.9658
August18.510.4658
September21.612.8608
October23.515.38311
November24.917.27310
December2719.26510

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).