Newcastle climate — normals and trends
Newcastle (Australia) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.3 °C and it receives 1,001 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is February (22.1 °C on average) and the coldest is July (14.1 °C). Rainfall peaks in June.
Newcastle averages 0 frost days, 2 hot days (≥ 30 °C) and 122 rainy days per year.
Newcastle has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.2 °C (on 19 November 1944) and the coldest 6.8 °C (on 4 July 1984).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
NewcastleNew South Wales
- coords
- -32.93°, 151.78°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.3°C
Average daily high
20.0°C
Average daily low
16.7°C
Annual rainfall
1,001mm
Sunshine / day
10.3h
Mean relative humidity
74%
Average peak wind
26.9km/h
Seasonal range
8.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
122 d/yr
Annual snowfall
0.0 cm
Average feels-like high
19.5 °C
Average feels-like low
14.8 °C
Average peak gust
38.9 km/h
Tropical nights (≥ 20 °C)
79 d/yr
Solar radiation
16.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.55 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
36.2 °C
19 November 1944
Coldest day
6.8 °C
4 July 1984
Wettest day
170 mm
11 March 1974
Windiest day
71.2 km/h
21 April 2015
Strongest gust
108.4 km/h
21 April 2015
Hottest feels-like
38.2 °C
19 November 1944
Coldest feels-like
-0.5 °C
4 July 1984
Sunniest day
14.0 h
3 January 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 24.0 °C | +0.7 °C | 170 mm | +84 mm |
| Feb | 24.1 °C | +0.7 °C | 71 mm | -27 mm |
| Mar | 23.8 °C | +1.1 °C | 184 mm | +79 mm |
| Apr | 22.2 °C | +1.1 °C | 191 mm | +94 mm |
| May | 19.5 °C | +0.7 °C | 280 mm | +181 mm |
| Jun | 16.6 °C | 0.0 °C | 61 mm | -52 mm |
| Jul | 16.4 °C | +0.4 °C | 111 mm | +43 mm |
| Aug | 16.6 °C | 0.0 °C | 271 mm | +201 mm |
| Sep | 20.1 °C | +1.9 °C | 59 mm | +4 mm |
| Oct | 22.9 °C | +3.3 °C | 29 mm | -38 mm |
| Nov | 23.2 °C | +2.3 °C | 19 mm | -54 mm |
| Dec | 23.5 °C | +1.1 °C | 80 mm | +8 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Newcastle?
Newcastle has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.3 °C and it receives 1,001 mm of precipitation per year.
What is the hottest day ever recorded in Newcastle?
The hottest day measured in Newcastle between 1940 and 2025 was 19 November 1944, reaching 36.2 °C.
What is the coldest day in Newcastle?
The coldest day measured in Newcastle between 1940 and 2025 was 4 July 1984, at 6.8 °C.
Does it snow in Newcastle?
Almost never: Newcastle sees virtually no snow, with about 0 frost days per year.
Has the climate of Newcastle warmed?
Yes: Newcastle warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Newcastle?
The wettest day measured in Newcastle between 1940 and 2025 was 11 March 1974, with 170 mm of rain in 24 hours.
What was the windiest day in Newcastle?
The windiest day measured in Newcastle between 1940 and 2025 was 21 April 2015, with winds reaching 71.2 km/h.
What is the warmest month in Newcastle?
The warmest month in Newcastle is February (22.1 °C on average); the coldest is July (14.1 °C).
How much does it rain in Newcastle?
Newcastle receives on average 1,001 mm of precipitation per year, spread over about 122 rainy days.
Is it sunny in Newcastle?
Newcastle gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in Newcastle?
Yes: Newcastle has on average 79 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Newcastle?
In Newcastle, between 1940 and 2025, the highest apparent temperature reached 38.2 °C on 19 November 1944, and the lowest was -0.5 °C on 4 July 1984.
Compare Newcastle with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Newcastle