Duncraig weather in December

In December, Duncraig sees average daytime highs of 27°C and overnight lows near 18°C, with 9 mm of rain across 1.4 wet days and about 14 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 28°C by the end. The sky is clear or mostly clear about 71% of the time in December, and the air most often feels dry.

Daylight stretches from about 13 h 54 min at the start of December to 14 h 06 min by month's end. Set against the rest of the year, December is Duncraig's 3rd-clearest and 1st-windiest month. For the whole year in context, see Duncraig's year-round climate.

Daytime high
27°
4th warmest
Overnight low
18°
9th coldest
Rainfall
9 mm
1.4 wet days
Daylight
14 h 06 min
5:11 AM – 7:15 PM
Cloud cover
26%
3rd clearest
Wind
19 km/h
1st windiest
Solar energy
8.39 kWh/m²
Travel score
8.3
out of 10

Duncraig is suburb of Perth, Western Australia.

Density
2,076/km²
people per km²

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 25°C in the first days to 28°C by the end.

A typical December day in Duncraig reaches about 27°C in the afternoon and slips back to 18°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 33°C. Set against its neighbours, December runs about 3°C warmer than November and about 2°C cooler than January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12516
22516
32517
42517
52617
62617
72617
82617
92617
102617
112617
122617
132717
142718
152718
162718
172718
182718
192718
202718
212818
222818
232818
242818
252819
262819
272819
282819
292819
302819
312819

Duncraig weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 19°181.713.87.3
Feb29° / 20°161.513.27.0
Mar28° / 19°182.412.27.7
Apr24° / 16°254.211.28.1
May21° / 14°637.510.47.1
Jun19° / 12°9510.4106.2
Jul17° / 11°10012.110.15.6
Aug18° / 11°8610.910.85.9
Sep19° / 12°548.611.86.5
Oct21° / 13°274.912.87.7
Nov24° / 16°193.613.68.4
Dec27° / 18°91.4148.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 71% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 17%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17921
28020
38020
48020
58119
68119
78119
88119
98218
108218
118218
128218
138317
148317
158317
168317
178317
188317
198317
208515
218515
228515
238515
248515
258515
268515
278515
288614
298614
308614
318614

Chance of precipitation in December

Any precipitation

Duncraig gets around 9 mm of rain over 1.4 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 5% and peaks near 8% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
18
28
37
47
57
67
76
86
96
106
116
126
136
146
156
166
175
185
195
205
214
224
234
243
253
263
273
283
293
303
313

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 51% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1632980
2642880
3632890
4632890
5642790
66227101
76128101
86028111
95928121
105829121
115630131
125531131
135332141
145332141
155133151
165034151
174835151
184736151
194637152
204538152
214439152
224339152
234340152
244240152
254141153
264141153
274141153
284041153
294041154
303941164
313941164

Wind in December

Winds average 19 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2120light breeze
2220light breeze
2320light breeze
2420light breeze
2520light breeze
2620light breeze
2720light breeze
2820light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 54 min at the start of December to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over December. Sunrise moves from 5:09 AM to 5:18 AM, and sunset from 7:05 PM to 7:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:097:05
213.95:097:05
314.05:097:06
414.05:097:07
514.05:097:08
614.05:097:08
714.05:097:09
814.05:097:10
914.05:097:11
1014.05:097:11
1114.05:107:12
1214.05:107:13
1314.15:107:13
1414.15:107:14
1514.15:117:15
1614.15:117:15
1714.15:117:16
1814.15:127:16
1914.15:127:17
2014.15:137:17
2114.15:137:18
2214.15:137:18
2314.15:147:19
2414.15:147:19
2514.15:157:20
2614.15:157:20
2714.15:167:20
2814.15:177:21
2914.15:177:21
3014.15:187:21
3114.15:187:22

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 8.39 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.62 kWh/m² to a high of 8.39 kWh/m² in December across the year — December's 8.39 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.1Intense
28.1Intense
38.2Intense
48.2Intense
58.2Intense
68.2Intense
78.2Intense
88.2Intense
98.3Intense
108.3Intense
118.3Intense
128.3Intense
138.3Intense
148.3Intense
158.4Intense
168.4Intense
178.4Intense
188.4Intense
198.5Intense
208.5Intense
218.5Intense
228.5Intense
238.6Intense
248.6Intense
258.6Intense
268.6Intense
278.7Intense
288.7Intense
298.7Intense
308.7Intense
318.7Intense
Planning a trip in December

Hazard calendar for Duncraig

In seasonPeak

In December, Duncraig sits inside its cyclone season. The full year is below, with each hazard's peak months called out.

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

Duncraig's rainy season runs May–September, when most of the year's rain falls.

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

Is December a good time to visit Duncraig?

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

8.3
Sightseeing
2nd-best month of the year
8.4
Beach & pool
3rd-best month of the year

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

What to pack for Duncraig in December

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

In December, Duncraig sees daytime highs around 27°C and nights near 18°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

Sea temperature near Duncraig in December

The nearest coast averages about 21°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 15 km away) is warmest in February at about 22°C and coldest in September near 19°C.

It's comfortable for a long swim from Nov 22 to Jul 12 — about 7.7 months when the water holds above 20°C.

18°20°22°24°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb22Refreshing
Mar22Refreshing
Apr22Refreshing
May22Refreshing
Jun21Refreshing
Jul20Cool
Aug19Cool
Sep19Cool
Oct19Cool
Nov20Cool
Dec21Refreshing

UV index in Duncraig 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 Duncraig peaks around December 24 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 — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateVery highExtremeDec 24UV 13Jun 20UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Extreme
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug5Moderate
Sep8Very high
Oct9Very high
Nov10Extreme
Dec13Extreme
Location & terrain

Where is Duncraig?

Duncraig sits at 31.8°S, 115.8°E, 50 m above sea level, in Australia. The nearest listed city is Scarborough, 7.0 km away.

Topography around Duncraig

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

Within 3 km, the terrain around Duncraig has only modest variations in elevation — a maximum elevation change of 63 m around an average of 27 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 104 m; within 80 km, significant variations in elevation — a maximum elevation change of 528 m.

The land around Duncraig is covered by artificial surfaces (72%) within 3 km, water (38%) and artificial surfaces (34%) within 16 km, and trees (38%) and water (34%) within 80 km.

3 km
63 m
16 km
104 m
80 km
528 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Scarborough 7.0 km · Landsdale 9.0 km · Dianella 11 km · Ballajura 11 km · Morley 14 km · Perth 16 km · Ellenbrook 20 km · Willetton 27 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 Duncraig (-31.8329°, 115.7759°, elevation 50 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).