Cessnock climate — normals and trends
Cessnock (Australia) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.1 °C and it receives 663 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 (22.9 °C on average) and the coldest is July (10.5 °C). Rainfall peaks in February.
Cessnock averages 0 frost days, 54 hot days (≥ 30 °C) and 99 rainy days per year.
Cessnock has warmed by +1.0 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The hottest day of the period reached 44.2 °C (on 19 November 1944) and the coldest -2.1 °C (on 15 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
CessnockNew South Wales
- coords
- -32.83°, 151.36°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.1°C
Average daily high
23.2°C
Average daily low
12.1°C
Annual rainfall
663mm
Sunshine / day
9.8h
Mean relative humidity
70%
Average peak wind
15.7km/h
Seasonal range
12.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
54 d/yr
Rainy days (≥ 1 mm)
99 d/yr
Annual snowfall
0.0 cm
Average feels-like high
22.5 °C
Average feels-like low
11.1 °C
Average peak gust
37.0 km/h
Tropical nights (≥ 20 °C)
16 d/yr
Solar radiation
16.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.31 · 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
44.2 °C
19 November 1944
Coldest day
-2.1 °C
15 July 1978
Wettest day
119 mm
8 June 2007
Windiest day
42.5 km/h
23 September 2009
Strongest gust
102.2 km/h
8 June 2007
Hottest feels-like
46.1 °C
10 February 2017
Coldest feels-like
-5.6 °C
15 July 1978
Snowiest day
0.6 cm
18 July 1965
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 | 28.9 °C | -0.2 °C | 123 mm | +49 mm |
| Feb | 29.3 °C | +1.1 °C | 41 mm | -42 mm |
| Mar | 26.9 °C | +0.6 °C | 140 mm | +69 mm |
| Apr | 24.4 °C | +1.2 °C | 85 mm | +34 mm |
| May | 19.7 °C | +0.1 °C | 127 mm | +85 mm |
| Jun | 17.1 °C | +0.3 °C | 7 mm | -40 mm |
| Jul | 16.9 °C | +0.5 °C | 61 mm | +31 mm |
| Aug | 17.4 °C | -0.8 °C | 153 mm | +115 mm |
| Sep | 23.5 °C | +2.0 °C | 32 mm | -5 mm |
| Oct | 27.5 °C | +3.2 °C | 24 mm | -31 mm |
| Nov | 28.9 °C | +2.3 °C | 26 mm | -39 mm |
| Dec | 29.5 °C | +1.1 °C | 60 mm | -11 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 Cessnock?
Cessnock has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.1 °C and it receives 663 mm of precipitation per year.
What is the hottest day ever recorded in Cessnock?
The hottest day measured in Cessnock between 1940 and 2025 was 19 November 1944, reaching 44.2 °C.
What is the coldest day in Cessnock?
The coldest day measured in Cessnock between 1940 and 2025 was 15 July 1978, at -2.1 °C.
Does it snow in Cessnock?
Almost never: Cessnock sees virtually no snow, with about 0 frost days per year.
Has the climate of Cessnock warmed?
Yes: Cessnock warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Cessnock?
The wettest day measured in Cessnock between 1940 and 2025 was 8 June 2007, with 119 mm of rain in 24 hours.
What was the windiest day in Cessnock?
The windiest day measured in Cessnock between 1940 and 2025 was 23 September 2009, with winds reaching 42.5 km/h.
What is the warmest month in Cessnock?
The warmest month in Cessnock is January (22.9 °C on average); the coldest is July (10.5 °C).
How much does it rain in Cessnock?
Cessnock receives on average 663 mm of precipitation per year, spread over about 99 rainy days.
Is it sunny in Cessnock?
Cessnock gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
What is the biggest single-day snowfall in Cessnock?
The heaviest 24-hour snowfall measured in Cessnock between 1940 and 2025 was 18 July 1965, with 0.6 cm.
Are there tropical nights in Cessnock?
Yes: Cessnock has on average 16 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Cessnock?
In Cessnock, between 1940 and 2025, the highest apparent temperature reached 46.1 °C on 10 February 2017, and the lowest was -5.6 °C on 15 July 1978.
Compare Cessnock with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Cessnock