Cessnock in Summer
In summer (December, January and February), Cessnock sees average daytime highs around 29°C and overnight lows near 17°C, with 224 mm of rain over about 30 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 34% of the time across summer, and the air most often feels humid.
Summer is Cessnock's weakest season of the year to visit on our travel score. For the whole year in context, see Cessnock's year-round climate.
- Avg daytime high
- 29°C
- warmest season of the year
- Avg overnight low
- 17°C
- Rainfall
- 224 mm
- 30 wet days
- Avg wind
- 10 km/h
- Travel score
- 5.5
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Cessnock in Summer
Across summer, daytime highs hold fairly steady around 29°C.
A typical summer day in Cessnock reaches about 29°C and drops to 17°C overnight. The warmest of the three months is January, the coolest December.
Cessnock weather by month
How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 18° | 69 | 10.1 | 13.9 | 5.1 |
| Feb | 29° / 18° | 82 | 9.9 | 13.2 | 5.6 |
| Mar | 27° / 16° | 67 | 10.3 | 12.2 | 6.6 |
| Apr | 24° / 12° | 44 | 7.3 | 11.2 | 7.4 |
| May | 20° / 9° | 39 | 6.7 | 10.3 | 7.1 |
| Jun | 17° / 8° | 52 | 6.8 | 9.9 | 6.3 |
| Jul | 17° / 6° | 34 | 5.4 | 10.1 | 6.4 |
| Aug | 19° / 7° | 30 | 4.6 | 10.8 | 7.3 |
| Sep | 22° / 9° | 36 | 5.9 | 11.8 | 7.7 |
| Oct | 25° / 12° | 53 | 7.8 | 12.8 | 7.4 |
| Nov | 27° / 14° | 73 | 9.5 | 13.7 | 6.6 |
| Dec | 28° / 16° | 74 | 10 | 14.1 | 5.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 34% of the time across summer.
Chance of precipitation in Summer
Cessnock gets around 224 mm of rain over 30 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 10 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 hours in early December to 12 h 48 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.2 kWh/m².
Hazard calendar for Cessnock
In summer, Cessnock overlaps its cyclone season. The full year is below, with each hazard's peak months called out.
Cessnock sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Is summer a good time to visit Cessnock?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Cessnock for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Cessnock in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Cessnock sees daytime highs around 29°C and nights near 17°C. Pack light clothes and sun protection. Worth having: rain gear. About 30 days see rain.
Sea temperature near Cessnock in Summer
The nearest coast averages about 22°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 41 km away) is warmest in February at about 23°C and coldest in August near 18°C.
It's comfortable for a long swim from Nov 16 to Jun 7 — about 6.7 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 23 | 23 | 23 | 22 | 21 | 20 | 19 | 18 | 18 | 19 | 20 | 21 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Cool | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 23 | Refreshing |
| Feb | 23 | Refreshing |
| Mar | 23 | Refreshing |
| Apr | 22 | Refreshing |
| May | 21 | Refreshing |
| Jun | 20 | Cool |
| Jul | 19 | Cool |
| Aug | 18 | Cool |
| Sep | 18 | Cool |
| Oct | 19 | Cool |
| Nov | 20 | Refreshing |
| Dec | 21 | Refreshing |
UV index in Cessnock in Summer
Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Cessnock peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 12 | 9 | 6 | 4 | 2 | 3 | 4 | 6 | 8 | 10 | 12 |
| Level | Extreme | Extreme | Very high | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 12 | Extreme |
| Mar | 9 | Very high |
| Apr | 6 | High |
| May | 4 | Moderate |
| Jun | 2 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 8 | Very high |
| Nov | 10 | Very high |
| Dec | 12 | Extreme |
Air quality in Cessnock in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Cessnock is worst in December — around 23 µg/m³ PM2.5 (moderate), about 4.3× the cleanest month (June, 5 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 9 | 7 | 7 | 6 | 6 | 5 | 6 | 7 | 8 | 8 | 11 | 23 |
| Level | Good | Good | Good | Good | Good | Good | Good | Good | Good | Good | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 7 | Good |
| Mar | 7 | Good |
| Apr | 6 | Good |
| May | 6 | Good |
| Jun | 5 | Good |
| Jul | 6 | Good |
| Aug | 7 | Good |
| Sep | 8 | Good |
| Oct | 8 | Good |
| Nov | 11 | Good |
| Dec | 23 | Moderate |
Where is Cessnock?
Cessnock sits at 32.8°S, 151.4°E, 71 m above sea level, in Australia. The nearest listed city is Maitland, 22 km away.
Topography around Cessnock
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cessnock.
Within 3 km, the terrain around Cessnock has only modest variations in elevation — a maximum elevation change of 70 m around an average of 82 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 587 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,482 m.
The land around Cessnock is covered by trees (46%), artificial surfaces (26%) and grassland (25%) within 3 km, trees (63%) and grassland (32%) within 16 km, and trees (58%) and grassland (20%) within 80 km.
Australia travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type I
- 230 V · 50 Hz
- Prices
- ≈ 90% of US
- price level, 2025
- GDP per capita
- $65,130
- 2025
- Happiness
- 6.9 / 10
- World Happiness, 2025
- Homicide rate
- 0.9
- per 100k, 2023
- Road deaths
- 4.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Cessnock (-32.8321°, 151.3562°, elevation 71 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.