Whyalla in Fall
In fall (March, April and May), Whyalla sees average daytime highs around 24°C and overnight lows near 13°C, with 50 mm of rain over about 9 wet days across the season. It is the 3rd-warmest season and the driest season of the year.
Over the season highs ease from about 30°C in early March to 19°C by late May. The sky is clear or mostly clear about 47% of the time across fall, and the air most often feels dry.
Fall is Whyalla's 2nd-best season to visit on our travel score. For the whole year in context, see Whyalla's year-round climate.
- Avg daytime high
- 24°C
- 3rd-warmest season
- Avg overnight low
- 13°C
- Rainfall
- 50 mm
- 9 wet days
- Avg wind
- 13 km/h
- Travel score
- 7.6
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Whyalla in Fall
Over the season highs ease from about 30°C in early March to 19°C by late May.
A typical fall day in Whyalla reaches about 24°C and drops to 13°C overnight. The warmest of the three months is March, the coolest May.
Whyalla weather by month
How the three fall months (March, April and May) 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 Fall
The sky is clear or mostly clear about 47% of the time across fall.
Chance of precipitation in Fall
Whyalla gets around 50 mm of rain over 9 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 13 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 48 min in early March to 10 hours by late May. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.4 kWh/m².
Hazard calendar for Whyalla
In fall, 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 fall a good time to visit Whyalla?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall 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 Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Whyalla sees daytime highs around 24°C and nights near 13°C. Pack light clothes. Worth having: sun protection. About 9 days see rain.
Sea temperature near Whyalla in Fall
The nearest coast averages about 20°C across fall — 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 Fall
Clear-sky midday UV across fall averages around 6 — enough to warrant sun protection. 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.