Whyalla weather in August

In August, Whyalla sees average daytime highs of 19°C and overnight lows near 7°C, with 20 mm of rain across 5 wet days and about 10.8 hours of daylight. It is the 10th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 20°C by the end. The sky is clear or mostly clear about 40% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 24 min at the start of August to 11 h 12 min by month's end. Set against the rest of the year, August is Whyalla's 9th-clearest and 8th-windiest month. For the whole year in context, see Whyalla's year-round climate.

Daytime high
19°
10th warmest
Overnight low
2nd coldest
Rainfall
20 mm
5 wet days
Daylight
10 h 48 min
8:01 AM – 6:47 PM
Cloud cover
47%
9th clearest
Wind
14 km/h
8th windiest
Solar energy
3.45 kWh/m²
Travel score
7.0
out of 10

Whyalla is city in South Australia.

Air quality
Good
PM10 22.2 µg/m³ · 2019
Founded
1901

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 20°C by the end.

A typical August day in Whyalla reaches about 19°C in the afternoon and slips back to 7°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 24°C. Set against its neighbours, August runs about 2°C warmer than July and about 3°C cooler than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1187
2187
3187
4187
5187
6187
7187
8187
9187
10187
11187
12187
13187
14187
15187
16197
17197
18197
19197
20197
21198
22198
23198
24198
25208
26208
27208
28208
29208
30208
31208

Whyalla weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 18°202.613.95.3
Feb31° / 18°21213.25.8
Mar28° / 16°132.312.37.2
Apr25° / 13°19311.28.2
May20° / 10°193.810.37.4
Jun17° / 254.99.96.3
Jul17° / 194.2106.3
Aug19° / 20510.87.0
Sep22° / 284.711.87.7
Oct25° / 12°223.712.88.1
Nov28° / 14°243.713.77.2
Dec30° / 16°304.114.16.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 22% of August, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26139
36139
46139
56139
66040
76040
86139
96139
106040
116040
126040
136139
146139
156139
166238
176238
186238
196238
206337
216337
226436
236436
246436
256535
266436
276436
286436
296436
306436
316436

Chance of precipitation in August

Any precipitation

Whyalla gets around 20 mm of rain over 5 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 16% and peaks near 17% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
115
215
316
416
516
616
716
816
916
1016
1116
1216
1316
1416
1516
1616
1716
1815
1915
2015
2115
2216
2316
2416
2516
2616
2716
2817
2917
3017
3117

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in August

Winds average 14 km/h in August.

Across August, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 24 min at the start of August to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over August. Sunrise moves from 8:15 AM to 7:42 AM, and sunset from 6:36 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.48:156:36
210.48:146:37
310.48:146:38
410.48:136:38
510.58:126:39
610.58:116:40
710.58:106:41
810.58:096:41
910.68:086:42
1010.68:076:43
1110.68:066:43
1210.78:056:44
1310.78:046:45
1410.78:036:46
1510.78:026:46
1610.88:016:47
1710.88:006:48
1810.87:586:48
1910.97:576:49
2010.97:566:50
2110.97:556:50
2211.07:546:51
2311.07:536:52
2411.07:516:52
2511.17:506:53
2611.17:496:54
2711.17:486:55
2811.27:466:55
2911.27:456:56
3011.27:446:57
3111.27:426:57

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.45 kWh/m².

For context, solar energy here swings from a low near 2.45 kWh/m² to a high of 7.95 kWh/m² in January across the year — August's 3.45 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.0Moderate
23.0Moderate
33.0Moderate
43.0Moderate
53.1Moderate
63.1Moderate
73.1Moderate
83.1Moderate
93.2Moderate
103.2Moderate
113.2Moderate
123.3Moderate
133.3Moderate
143.3Moderate
153.4Moderate
163.4Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.6Moderate
213.6Moderate
223.7Moderate
233.7Moderate
243.8Moderate
253.8Moderate
263.9Moderate
273.9Moderate
284.0Moderate
294.0Bright
304.1Bright
314.1Bright
Planning a trip in August

Hazard calendar for Whyalla

In seasonPeak

None of Whyalla's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Whyalla sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Cyclone
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Whyalla?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.0
Sightseeing
7th-best month of the year
2.8
Beach & pool
10th-best month of the year

August is one of the better times to visit Whyalla for general sightseeing.

What to pack for Whyalla in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Whyalla sees daytime highs around 19°C and nights near 7°C. Worth packing: a warm layer. About 5 days see rain.

a warm layer

Sea temperature near Whyalla in August

The nearest coast averages about 13°C in August — 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.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan23Refreshing
Feb23Refreshing
Mar22Refreshing
Apr20Refreshing
May18Cool
Jun15Cool
Jul14Bracing
Aug13Bracing
Sep15Bracing
Oct17Cool
Nov19Cool
Dec21Refreshing

UV index in Whyalla in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 4 — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 1UV 13Jul 12UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Very high
Apr6High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec13Extreme
Location & terrain

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.

ParalowieParafield GardensAdelaideAdelaide city centreAdelaide HillsMorphett ValeMount Barker

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.

3 km
63 m
16 km
169 m
80 km
946 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
August weather nearby: Gawler 206 km · Paralowie 215 km · Parafield Gardens 217 km · Adelaide 231 km · Adelaide city centre 232 km · Adelaide Hills 234 km · Morphett Vale 249 km · Mount Barker 256 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
none 38%Roman Catholic 20%Protestant 18%other Christian 4%

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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).