Morphett Vale in Summer

In summer (December, January and February), Morphett Vale sees average daytime highs around 24°C and overnight lows near 15°C, with 65 mm of rain over about 11 wet days across the season. It is the warmest season of the year and the driest season of the year.

Over the season highs climb from about 21°C in early December to 24°C by late February. The sky is clear or mostly clear about 52% of the time across summer, and the air most often feels dry.

Summer is Morphett Vale's best season of the year to visit on our travel score. For the whole year in context, see Morphett Vale's year-round climate.

Avg daytime high
24°C
warmest season of the year
Avg overnight low
15°C
Rainfall
65 mm
11 wet days
Avg wind
16 km/h
Travel score
8.2
best season of the year
Months
Dec · Jan · Feb

Temperature in Morphett Vale in Summer

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 21°C in early December to 24°C by late February.

A typical summer day in Morphett Vale reaches about 24°C and drops to 15°C overnight. The warmest of the three months is January, the coolest December.

10°15°20°25°30°35°DecJanFeb

Morphett Vale weather by month

How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.

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 Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Morphett Vale gets around 65 mm of rain over 11 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%DecJanFeb

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%DecJanFeb

Wind in Summer

Winds average 16 km/h across summer.

05101520DecJanFeb

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 14 h 12 min in early December to 12 h 54 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 7.3 kWh/m².

02468DecJanFeb
Planning a trip in summer

Hazard calendar for Morphett Vale

In seasonPeak

In summer, Morphett Vale overlaps its cyclone season. The full year is below, with each hazard's peak months called out.

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 summer a good time to visit Morphett Vale?

Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

8.2
Sightseeing
1st-best month of the year
6.7
Beach & pool
1st-best month of the year

summer is one of the better times to visit Morphett Vale for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Morphett Vale in Summer

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

In summer, Morphett Vale sees daytime highs around 24°C and nights near 15°C. Pack sun protection. Worth having: light clothes. About 11 days see rain.

sun protectionlight clothes

Sea temperature near Morphett Vale in Summer

The nearest coast averages about 20°C across summer — 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 Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). 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
Summer 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.