Muswellbrook climate — normals and trends
Muswellbrook (Australia) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.9 °C and it receives 595 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 January (23.2 °C on average) and the coldest is July (9.9 °C). Rainfall peaks in February.
Muswellbrook averages 1 frost days, 55 hot days (≥ 30 °C) and 81 rainy days per year.
Muswellbrook has warmed by +0.8 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.
The hottest day of the period reached 42.9 °C (on 12 February 2017) and the coldest -2.9 °C (on 16 July 1978).
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
MuswellbrookNew South Wales
- coords
- -32.26°, 150.89°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.9°C
Average daily high
22.8°C
Average daily low
11.9°C
Annual rainfall
595mm
Sunshine / day
10.0h
Mean relative humidity
67%
Average peak wind
15.9km/h
Seasonal range
13.3°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
55 d/yr
Rainy days (≥ 1 mm)
81 d/yr
Annual snowfall
0.0 cm
Average feels-like high
21.8 °C
Average feels-like low
10.7 °C
Average peak gust
37.4 km/h
Tropical nights (≥ 20 °C)
17 d/yr
Solar radiation
17.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.19 · 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
42.9 °C
12 February 2017
Coldest day
-2.9 °C
16 July 1978
Wettest day
131 mm
24 February 1955
Windiest day
45.2 km/h
6 November 1994
Strongest gust
108.0 km/h
6 October 1998
Hottest feels-like
44.1 °C
26 January 2011
Coldest feels-like
-5.9 °C
16 July 1978
Snowiest day
1.6 cm
18 July 1965
Sunniest day
14.0 h
23 December 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 | 29.1 °C | -0.3 °C | 105 mm | +38 mm |
| Feb | 29.6 °C | +1.2 °C | 39 mm | -30 mm |
| Mar | 26.8 °C | +0.5 °C | 127 mm | +71 mm |
| Apr | 23.7 °C | +0.8 °C | 55 mm | +15 mm |
| May | 19.1 °C | +0.1 °C | 133 mm | +94 mm |
| Jun | 16.0 °C | +0.2 °C | 13 mm | -29 mm |
| Jul | 15.9 °C | +0.5 °C | 68 mm | +35 mm |
| Aug | 16.5 °C | -0.7 °C | 120 mm | +83 mm |
| Sep | 22.4 °C | +1.8 °C | 37 mm | +0 mm |
| Oct | 26.9 °C | +3.0 °C | 23 mm | -30 mm |
| Nov | 28.3 °C | +1.8 °C | 43 mm | -18 mm |
| Dec | 29.8 °C | +1.2 °C | 37 mm | -25 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 Muswellbrook?
Muswellbrook has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.9 °C and it receives 595 mm of precipitation per year.
What is the hottest day ever recorded in Muswellbrook?
The hottest day measured in Muswellbrook between 1940 and 2025 was 12 February 2017, reaching 42.9 °C.
What is the coldest day in Muswellbrook?
The coldest day measured in Muswellbrook between 1940 and 2025 was 16 July 1978, at -2.9 °C.
Does it snow in Muswellbrook?
Almost never: Muswellbrook sees virtually no snow, with about 1 frost days per year.
Has the climate of Muswellbrook warmed?
Yes: Muswellbrook warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Muswellbrook?
The wettest day measured in Muswellbrook between 1940 and 2025 was 24 February 1955, with 131 mm of rain in 24 hours.
What was the windiest day in Muswellbrook?
The windiest day measured in Muswellbrook between 1940 and 2025 was 6 November 1994, with winds reaching 45.2 km/h.
What is the warmest month in Muswellbrook?
The warmest month in Muswellbrook is January (23.2 °C on average); the coldest is July (9.9 °C).
How much does it rain in Muswellbrook?
Muswellbrook receives on average 595 mm of precipitation per year, spread over about 81 rainy days.
Is it sunny in Muswellbrook?
Muswellbrook gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
What is the biggest single-day snowfall in Muswellbrook?
The heaviest 24-hour snowfall measured in Muswellbrook between 1940 and 2025 was 18 July 1965, with 1.6 cm.
Are there tropical nights in Muswellbrook?
Yes: Muswellbrook has on average 17 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Muswellbrook?
In Muswellbrook, between 1940 and 2025, the highest apparent temperature reached 44.1 °C on 26 January 2011, and the lowest was -5.9 °C on 16 July 1978.
Compare Muswellbrook with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Muswellbrook