Morphett Vale weather in August

In August, Morphett Vale sees average daytime highs of 14°C and overnight lows near 9°C, with 75 mm of rain across 11.4 wet days and about 10.7 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 14°C through the month. The sky is clear or mostly clear about 28% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 12 min at the start of August to 11 h 12 min by month's end. Set against the rest of the year, August is Morphett Vale's 8th-clearest and 1st-windiest month. For the whole year in context, see Morphett Vale's year-round climate.

Daytime high
14°
11th warmest
Overnight low
1st coldest
Rainfall
75 mm
11.4 wet days
Daylight
10 h 42 min
8:00 AM – 6:40 PM
Cloud cover
53%
8th clearest
Wind
17 km/h
1st windiest
Solar energy
3.16 kWh/m²
Travel score
3.9
out of 10

Morphett Vale is suburb of Adelaide, South Australia.

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 14°C through the month.

A typical August day in Morphett Vale reaches about 14°C in the afternoon and slips back to 9°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 17°C. Set against its neighbours, August runs on par with July and about 2°C cooler than September.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1139
2139
3139
4139
5139
6139
7139
8139
9139
10139
11139
12139
13139
14139
15149
16149
17149
18149
19149
20149
21149
22149
23149
24149
25149
26149
27149
28149
29149
30159
31159

Morphett Vale weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 16°213.514.18.4
Feb24° / 16°192.813.38.5
Mar22° / 15°183.712.37.9
Apr19° / 13°365.611.16.9
May16° / 11°59910.25.3
Jun14° / 10°7210.19.74.0
Jul13° / 7811.39.93.6
Aug14° / 7511.410.73.9
Sep16° / 10°609.511.84.9
Oct18° / 11°376.312.96.4
Nov20° / 12°315.313.87.2
Dec22° / 14°254.814.37.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 27% of August, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35446
45545
55446
65446
75347
85347
95446
105347
115347
125347
135446
145446
155446
165545
175545
185644
195644
205743
215743
225644
235743
245743
255743
265743
275743
285743
295644
305644
315644

Chance of precipitation in August

Any precipitation

Morphett Vale gets around 75 mm of rain over 11.4 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 37% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
438
538
638
738
839
939
1039
1139
1239
1339
1439
1539
1638
1738
1837
1937
2036
2136
2235
2335
2435
2535
2634
2734
2834
2934
3034
3134

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 17 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 12 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 60 minutes over August. Sunrise moves from 8:16 AM to 7:40 AM, and sunset from 6:28 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.28:166:28
210.28:156:29
310.38:146:30
410.38:136:31
510.38:126:31
610.48:116:32
710.48:106:33
810.48:096:34
910.48:086:35
1010.58:076:35
1110.58:066:36
1210.58:056:37
1310.68:046:38
1410.68:026:38
1510.68:016:39
1610.78:006:40
1710.77:596:41
1810.77:586:42
1910.87:566:42
2010.87:556:43
2110.87:546:44
2210.97:536:45
2310.97:516:45
2410.97:506:46
2511.07:496:47
2611.07:476:48
2711.07:466:49
2811.17:456:49
2911.17:436:50
3011.27:426:51
3111.27:406:52

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.16 kWh/m².

For context, solar energy here swings from a low near 2.15 kWh/m² to a high of 7.72 kWh/m² in January across the year — August's 3.16 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.7Moderate
42.7Moderate
52.8Moderate
62.8Moderate
72.8Moderate
82.9Moderate
92.9Moderate
102.9Moderate
112.9Moderate
123.0Moderate
133.0Moderate
143.0Moderate
153.1Moderate
163.1Moderate
173.2Moderate
183.2Moderate
193.3Moderate
203.3Moderate
213.3Moderate
223.4Moderate
233.4Moderate
243.5Moderate
253.5Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.7Moderate
303.7Moderate
313.8Moderate
Planning a trip in August

Hazard calendar for Morphett Vale

In seasonPeak

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

Morphett Vale 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 Morphett Vale?

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

3.9
Sightseeing
11th-best month of the year
0.0
Beach & pool
11th-best month of the year

August is a weaker month for outdoor sightseeing in Morphett Vale.

What to pack for Morphett Vale in August

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

In August, Morphett Vale sees daytime highs around 14°C and nights near 9°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Morphett Vale 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 at the nearest coast (about 13 km away) is warmest in February at about 21°C and coldest in August near 13°C.

It's comfortable for a long swim from Jan 3 to Mar 30 — about 2.9 months when the water holds above 20°C.

15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb21Refreshing
Mar21Refreshing
Apr19Cool
May17Cool
Jun15Cool
Jul14Bracing
Aug13Bracing
Sep14Bracing
Oct15Cool
Nov17Cool
Dec19Cool

UV index in Morphett Vale 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 Morphett Vale peaks around January 10 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 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 10UV 13Jun 20UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar9Very high
Apr5High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov10Extreme
Dec13Extreme
Location & terrain

Where is Morphett Vale?

Morphett Vale sits at 35.1°S, 138.5°E, 92 m above sea level, in Australia. The nearest listed city is Adelaide, 24 km away.

Whyalla

Topography around Morphett Vale

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Morphett Vale.

Within 3 km, the terrain around Morphett Vale has only modest variations in elevation — a maximum elevation change of 171 m around an average of 83 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 425 m; within 80 km, large variations in elevation — a maximum elevation change of 700 m.

The land around Morphett Vale is covered by artificial surfaces (64%) within 3 km, water (38%), grassland (26%) and trees (22%) within 16 km, and water (49%) and grassland (24%) within 80 km.

3 km
171 m
16 km
425 m
80 km
700 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Adelaide 24 km · Adelaide city centre 24 km · Adelaide Hills 30 km · Mount Barker 33 km · Parafield Gardens 40 km · Paralowie 43 km · Gawler 63 km · Whyalla 249 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 Morphett Vale (-35.1333°, 138.5167°, elevation 92 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).