Busselton in Summer
In summer (December, January and February), Busselton sees average daytime highs around 25°C and overnight lows near 16°C, with 32 mm of rain over about 5 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 22°C in early December to 26°C by late February. The sky is clear or mostly clear about 63% of the time across summer, and the air most often feels dry.
Summer is Busselton's best season of the year to visit on our travel score. For the whole year in context, see Busselton's year-round climate.
- Avg daytime high
- 25°C
- warmest season of the year
- Avg overnight low
- 16°C
- Rainfall
- 32 mm
- 5 wet days
- Avg wind
- 18 km/h
- Travel score
- 8.6
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Busselton in Summer
Over the season highs climb from about 22°C in early December to 26°C by late February.
A typical summer day in Busselton reaches about 25°C and drops to 16°C overnight. The warmest of the three months is February, the coolest December.
Busselton 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 | 25° / 16° | 11 | 1.4 | 14 | 8.7 |
| Feb | 26° / 17° | 10 | 1.4 | 13.3 | 8.6 |
| Mar | 24° / 16° | 22 | 2.9 | 12.3 | 8.3 |
| Apr | 21° / 15° | 29 | 4.5 | 11.2 | 7.5 |
| May | 19° / 13° | 82 | 9.1 | 10.3 | 6.2 |
| Jun | 17° / 12° | 113 | 12.3 | 9.8 | 5.0 |
| Jul | 16° / 11° | 125 | 14.3 | 10 | 4.5 |
| Aug | 16° / 11° | 97 | 12.5 | 10.8 | 4.7 |
| Sep | 16° / 11° | 66 | 10.5 | 11.8 | 5.1 |
| Oct | 19° / 12° | 33 | 5.8 | 12.8 | 6.6 |
| Nov | 21° / 13° | 27 | 4.6 | 13.7 | 7.5 |
| Dec | 24° / 15° | 11 | 2.2 | 14.2 | 8.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 63% of the time across summer.
Chance of precipitation in Summer
Busselton gets around 32 mm of rain over 5 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 18 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 06 min 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 7.7 kWh/m².
Hazard calendar for Busselton
In summer, Busselton overlaps its cyclone season. The full year is below, with each hazard's peak months called out.
Busselton sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Busselton's rainy season runs May–September, when most of the year's rain falls.
Is summer a good time to visit Busselton?
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 one of the better times to visit Busselton for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Busselton in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Busselton sees daytime highs around 25°C and nights near 16°C. Pack sun protection. Worth having: light clothes. About 5 days see rain.
Sea temperature near Busselton in Summer
The nearest coast averages about 21°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in March at about 21°C and coldest in September near 17°C.
It's comfortable for a long swim from Dec 14 to May 18 — about 5.1 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 21 | 21 | 21 | 21 | 20 | 19 | 18 | 17 | 17 | 18 | 19 | 20 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Cool | Cool | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 21 | Refreshing |
| Feb | 21 | Refreshing |
| Mar | 21 | Refreshing |
| Apr | 21 | Refreshing |
| May | 20 | Refreshing |
| Jun | 19 | Cool |
| Jul | 18 | Cool |
| Aug | 17 | Cool |
| Sep | 17 | Cool |
| Oct | 18 | Cool |
| Nov | 19 | Cool |
| Dec | 20 | Refreshing |
UV index in Busselton 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 Busselton peaks around January 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 11 | 10 | 6 | 4 | 3 | 3 | 4 | 7 | 8 | 10 | 12 |
| Level | Extreme | Extreme | Extreme | High | Moderate | Moderate | Moderate | Moderate | Very high | Very high | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 11 | Extreme |
| Mar | 10 | Extreme |
| Apr | 6 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 7 | Very high |
| Oct | 8 | Very high |
| Nov | 10 | Very high |
| Dec | 12 | Extreme |
Where is Busselton?
Busselton sits at 33.7°S, 115.3°E, 7 m above sea level, in Australia. The nearest listed city is Margaret River, 42 km away.
Topography around Busselton
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Busselton.
Within 3 km, the terrain around Busselton has only modest variations in elevation — a maximum elevation change of 16 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 165 m; within 80 km, significant variations in elevation — a maximum elevation change of 376 m.
The land around Busselton is covered by water (37%), grassland (27%) and artificial surfaces (22%) within 3 km, water (41%) and grassland (36%) within 16 km, and trees (43%) and water (39%) 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 Busselton (-33.6525°, 115.3455°, elevation 7 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.