Willetton in Spring
In spring (September, October and November), Willetton sees average daytime highs around 22°C and overnight lows near 11°C, with 111 mm of rain over about 18 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 18°C in early September to 26°C by late November. The sky is clear or mostly clear about 46% of the time across spring, and the air most often feels dry.
Spring is Willetton's best season of the year to visit on our travel score. For the whole year in context, see Willetton's year-round climate.
- Avg daytime high
- 22°C
- 3rd-warmest season
- Avg overnight low
- 11°C
- Rainfall
- 111 mm
- 18 wet days
- Avg wind
- 14 km/h
- Travel score
- 7.4
- best season of the year
- Months
- Sep · Oct · Nov
Temperature in Willetton in Spring
Over the season highs climb from about 18°C in early September to 26°C by late November.
A typical spring day in Willetton reaches about 22°C and drops to 11°C overnight. The warmest of the three months is November, the coolest September.
Willetton weather by month
How the three spring months (September, October and November) 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 | 31° / 18° | 19 | 2.1 | 13.9 | 5.7 |
| Feb | 31° / 19° | 17 | 1.7 | 13.2 | 5.7 |
| Mar | 29° / 17° | 18 | 2.7 | 12.2 | 7.0 |
| Apr | 25° / 14° | 26 | 4 | 11.2 | 8.0 |
| May | 21° / 11° | 62 | 7 | 10.4 | 7.1 |
| Jun | 18° / 9° | 87 | 10 | 9.9 | 6.0 |
| Jul | 17° / 9° | 96 | 11.6 | 10.1 | 5.3 |
| Aug | 17° / 9° | 87 | 10.7 | 10.8 | 5.7 |
| Sep | 19° / 9° | 60 | 8.7 | 11.8 | 6.4 |
| Oct | 22° / 11° | 29 | 5 | 12.8 | 7.8 |
| Nov | 26° / 14° | 22 | 4 | 13.6 | 8.1 |
| Dec | 29° / 16° | 11 | 1.9 | 14.1 | 7.1 |
Cloud cover in Spring
The sky is clear or mostly clear about 46% of the time across spring.
Chance of precipitation in Spring
Willetton gets around 111 mm of rain over 18 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 14 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 18 min in early September to 13 h 54 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 6.3 kWh/m².
Hazard calendar for Willetton
In spring, Willetton overlaps its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.
Willetton sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Willetton's rainy season runs May–September, when most of the year's rain falls.
Is spring a good time to visit Willetton?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is one of the better times to visit Willetton for general sightseeing.
What to pack for Willetton in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Willetton sees daytime highs around 22°C and nights near 11°C. Pack sun protection. Worth having: light clothes and rain gear. About 18 days see rain.
Sea temperature near Willetton in Spring
The nearest coast averages about 19°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 26 km away) is warmest in February at about 22°C and coldest in September near 19°C.
It's comfortable for a long swim from Nov 26 to Jul 9 — about 7.4 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 22 | 22 | 22 | 22 | 22 | 21 | 20 | 19 | 19 | 19 | 20 | 21 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Cool | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 22 | Refreshing |
| Feb | 22 | Refreshing |
| Mar | 22 | Refreshing |
| Apr | 22 | Refreshing |
| May | 22 | Refreshing |
| Jun | 21 | Refreshing |
| Jul | 20 | Cool |
| Aug | 19 | Cool |
| Sep | 19 | Cool |
| Oct | 19 | Cool |
| Nov | 20 | Cool |
| Dec | 21 | Refreshing |
UV index in Willetton in Spring
Clear-sky midday UV across spring averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Willetton peaks around December 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 12 | 11 | 6 | 4 | 3 | 3 | 5 | 8 | 9 | 10 | 13 |
| Level | Extreme | Extreme | Extreme | High | Moderate | Moderate | Moderate | Moderate | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 12 | Extreme |
| Mar | 11 | Extreme |
| Apr | 6 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 5 | Moderate |
| Sep | 8 | Very high |
| Oct | 9 | Very high |
| Nov | 10 | Extreme |
| Dec | 13 | Extreme |
Air quality in Willetton in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Willetton is worst in May — around 18 µg/m³ PM2.5 (moderate), about 4.4× the cleanest month (December, 4 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) | 8 | 7 | 5 | 10 | 18 | 8 | 6 | 7 | 15 | 15 | 10 | 4 |
| Level | Good | Good | Good | Good | Moderate | Good | Good | Good | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 7 | Good |
| Mar | 5 | Good |
| Apr | 10 | Good |
| May | 18 | Moderate |
| Jun | 8 | Good |
| Jul | 6 | Good |
| Aug | 7 | Good |
| Sep | 15 | Moderate |
| Oct | 15 | Moderate |
| Nov | 10 | Good |
| Dec | 4 | Good |
Where is Willetton?
Willetton sits at 32.1°S, 115.9°E, 22 m above sea level, in Australia. The nearest listed city is Canning Vale, 3.0 km away.
Topography around Willetton
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Willetton.
Within 3 km, the terrain around Willetton has only modest variations in elevation — a maximum elevation change of 46 m around an average of 19 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 311 m; within 80 km, significant variations in elevation — a maximum elevation change of 567 m.
The land around Willetton is covered by artificial surfaces (75%) within 3 km, artificial surfaces (48%) and trees (24%) within 16 km, and trees (43%) and water (31%) 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 Willetton (-32.0525°, 115.8878°, elevation 22 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.