Morphett Vale weather in December

In December, Morphett Vale sees average daytime highs of 22°C and overnight lows near 14°C, with 25 mm of rain across 4.8 wet days and about 14.3 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 23°C by the end. The sky is clear or mostly clear about 44% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 12 min at the start of December to 14 h 18 min by month's end. Set against the rest of the year, December is Morphett Vale's 4th-clearest and 6th-windiest month. For the whole year in context, see Morphett Vale's year-round climate.

Daytime high
22°
3rd warmest
Overnight low
14°
9th coldest
Rainfall
25 mm
4.8 wet days
Daylight
14 h 24 min
6:01 AM – 8:23 PM
Cloud cover
47%
4th clearest
Wind
16 km/h
6th windiest
Solar energy
7.41 kWh/m²
Travel score
7.7
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 December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 23°C by the end.

A typical December day in Morphett Vale reaches about 22°C in the afternoon and slips back to 14°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 29°C. Set against its neighbours, December runs about 2°C warmer than November and about 2°C cooler than January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12113
22113
32113
42213
52213
62214
72214
82214
92214
102214
112214
122214
132214
142214
152214
162214
172314
182314
192314
202314
212314
222314
232314
242315
252315
262315
272315
282315
292315
302315
312415

Morphett Vale weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 9th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, 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 (%)
16139
26139
36040
46040
56040
66040
75941
85941
95941
105941
115941
125941
135941
145941
155941
166040
176040
186040
196139
206139
216238
226337
236436
246535
256535
266634
276733
286733
296733
306832
316832

Chance of precipitation in December

Any precipitation

Morphett Vale gets around 25 mm of rain over 4.8 wet days in December. 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 18% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
118
218
318
418
518
618
718
818
918
1018
1118
1218
1317
1417
1517
1617
1716
1816
1916
2015
2115
2214
2314
2413
2512
2612
2712
2811
2911
3011
3110

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 79% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1841420
2841420
3831520
4831520
5831520
6831520
7821530
8811630
9811630
10811630
11801730
12801730
13791740
14791740
15791740
16791740
17781750
18781750
19781750
20781750
21781750
22781750
23781750
24781750
25791740
26781840
27781840
28771940
29771940
30752041
31742141

Wind in December

Winds average 16 km/h in December.

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

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light 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 December

DaylightNight

Daylight runs from about 14 h 12 min at the start of December to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 6:00 AM to 6:09 AM, and sunset from 8:12 PM to 8:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.26:008:12
214.26:008:12
314.26:008:13
414.26:008:14
514.36:008:15
614.36:008:16
714.36:008:16
814.36:008:17
914.36:008:18
1014.36:008:19
1114.36:008:19
1214.36:008:20
1314.36:018:21
1414.36:018:21
1514.36:018:22
1614.46:018:23
1714.46:028:23
1814.46:028:24
1914.46:038:24
2014.46:038:25
2114.46:038:25
2214.46:048:26
2314.46:048:26
2414.46:058:27
2514.46:058:27
2614.46:068:28
2714.46:068:28
2814.46:078:28
2914.36:088:29
3014.36:088:29
3114.36:098:29

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.41 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 — December's 7.41 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.3Intense
27.3Intense
37.3Intense
47.3Intense
57.3Intense
67.3Intense
77.3Intense
87.3Intense
97.3Intense
107.3Intense
117.3Intense
127.3Intense
137.3Intense
147.3Intense
157.3Intense
167.4Intense
177.4Intense
187.4Intense
197.5Intense
207.5Intense
217.5Intense
227.6Intense
237.6Intense
247.7Intense
257.8Intense
267.8Intense
277.8Intense
287.9Intense
297.9Intense
308.0Intense
318.0Intense
Planning a trip in December

Hazard calendar for Morphett Vale

In seasonPeak

In December, Morphett Vale sits inside 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 December a good time to visit Morphett Vale?

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

7.7
Sightseeing
4th-best month of the year
5.6
Beach & pool
4th-best month of the year

December is one of the better times to visit Morphett Vale for general sightseeing.

What to pack for Morphett Vale in December

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

In December, Morphett Vale sees daytime highs around 22°C and nights near 14°C. Pack sun protection. Worth having: light clothes. About 5 days see rain.

sun protectionlight clothes

Sea temperature near Morphett Vale in December

The nearest coast averages about 19°C in December — 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 December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (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
December 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).