Whyalla in Spring
In spring (September, October and November), Whyalla sees average daytime highs around 25°C and overnight lows near 12°C, with 73 mm of rain over about 12 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs climb from about 21°C in early September to 29°C by late November. The sky is clear or mostly clear about 47% of the time across spring, and the air most often feels dry.
Spring is Whyalla's best season of the year to visit on our travel score. For the whole year in context, see Whyalla's year-round climate.
- Avg daytime high
- 25°C
- 2nd-warmest season
- Avg overnight low
- 12°C
- Rainfall
- 73 mm
- 12 wet days
- Avg wind
- 15 km/h
- Travel score
- 7.7
- best season of the year
- Months
- Sep · Oct · Nov
Temperature in Whyalla in Spring
Over the season highs climb from about 21°C in early September to 29°C by late November.
A typical spring day in Whyalla reaches about 25°C and drops to 12°C overnight. The warmest of the three months is November, the coolest September.
Whyalla 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° | 20 | 2.6 | 13.9 | 5.3 |
| Feb | 31° / 18° | 21 | 2 | 13.2 | 5.8 |
| Mar | 28° / 16° | 13 | 2.3 | 12.3 | 7.2 |
| Apr | 25° / 13° | 19 | 3 | 11.2 | 8.2 |
| May | 20° / 10° | 19 | 3.8 | 10.3 | 7.4 |
| Jun | 17° / 8° | 25 | 4.9 | 9.9 | 6.3 |
| Jul | 17° / 7° | 19 | 4.2 | 10 | 6.3 |
| Aug | 19° / 7° | 20 | 5 | 10.8 | 7.0 |
| Sep | 22° / 9° | 28 | 4.7 | 11.8 | 7.7 |
| Oct | 25° / 12° | 22 | 3.7 | 12.8 | 8.1 |
| Nov | 28° / 14° | 24 | 3.7 | 13.7 | 7.2 |
| Dec | 30° / 16° | 30 | 4.1 | 14.1 | 6.1 |
Cloud cover in Spring
The sky is clear or mostly clear about 47% of the time across spring.
Chance of precipitation in Spring
Whyalla gets around 73 mm of rain over 12 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 15 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 18 min in early September to 14 hours 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 6.1 kWh/m².
Hazard calendar for Whyalla
In spring, Whyalla overlaps its cyclone season. The full year is below, with each hazard's peak months called out.
Whyalla sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Is spring a good time to visit Whyalla?
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 Whyalla for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Whyalla in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Whyalla sees daytime highs around 25°C and nights near 12°C. Pack light clothes and sun protection. About 12 days see rain.
Sea temperature near Whyalla in Spring
The nearest coast averages about 17°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in February at about 23°C and coldest in August near 13°C.
It's comfortable for a long swim from Nov 28 to Apr 16 — about 4.6 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 | 22 | 20 | 18 | 15 | 14 | 13 | 15 | 17 | 19 | 21 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Cool | Cool | Bracing | Bracing | Bracing | Cool | Cool | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 23 | Refreshing |
| Feb | 23 | Refreshing |
| Mar | 22 | Refreshing |
| Apr | 20 | Refreshing |
| May | 18 | Cool |
| Jun | 15 | Cool |
| Jul | 14 | Bracing |
| Aug | 13 | Bracing |
| Sep | 15 | Bracing |
| Oct | 17 | Cool |
| Nov | 19 | Cool |
| Dec | 21 | Refreshing |
UV index in Whyalla in Spring
Clear-sky midday UV across spring averages around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Whyalla peaks around January 1 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 | 12 | 10 | 6 | 3 | 3 | 3 | 4 | 6 | 8 | 11 | 13 |
| Level | Extreme | Extreme | Very high | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 12 | Extreme |
| Mar | 10 | Very high |
| Apr | 6 | High |
| May | 3 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 8 | Very high |
| Nov | 11 | Extreme |
| Dec | 13 | Extreme |
Where is Whyalla?
Whyalla sits at 33.0°S, 137.6°E, 20 m above sea level, in Australia. The nearest listed city is Gawler, 206 km away.
Topography around Whyalla
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Whyalla.
Within 3 km, the terrain around Whyalla has only modest variations in elevation — a maximum elevation change of 63 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 169 m; within 80 km, large variations in elevation — a maximum elevation change of 946 m.
The land around Whyalla is covered by artificial surfaces (32%) within 3 km, water (45%), grassland (26%) and shrubs (21%) within 16 km, and grassland (33%) and water (22%) 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 Whyalla (-33.0327°, 137.5648°, elevation 20 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.