Duncraig weather in July

In July, Duncraig sees average daytime highs of 17°C and overnight lows near 11°C, with 100 mm of rain across 12.1 wet days and about 10.1 hours of daylight. It is the 12th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 17°C through the month. The sky is clear or mostly clear about 36% of the time in July, and the air most often feels dry.

Daylight stretches from about 9 h 54 min at the start of July to 10 h 24 min by month's end. Set against the rest of the year, July is Duncraig's 12th-clearest and 8th-windiest month. For the whole year in context, see Duncraig's year-round climate.

Daytime high
17°
12th warmest
Overnight low
11°
1st coldest
Rainfall
100 mm
12.1 wet days
Daylight
10 h 06 min
7:19 AM – 5:26 PM
Cloud cover
48%
12th clearest
Wind
16 km/h
8th windiest
Solar energy
2.73 kWh/m²
Travel score
5.6
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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 17°C through the month.

A typical July day in Duncraig reaches about 17°C in the afternoon and slips back to 11°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 20°C. Set against its neighbours, July runs about 1°C cooler than June and on par with August.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11811
21811
31811
41711
51711
61711
71711
81711
91711
101711
111711
121711
131711
141711
151711
161711
171711
181711
191711
201711
211711
221711
231711
241811
251811
261811
271811
281811
291811
301811
311811

Duncraig weather by month

How July compares with the rest of the year at a glance. July is the 12th-warmest and 1st-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 28% of July, with mostly cloudy or overcast conditions the remaining 37%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26436
36337
46337
56436
66436
76535
86535
96535
106535
116535
126535
136535
146535
156535
166535
176535
186436
196436
206337
216337
226337
236238
246238
256238
266238
276139
286139
296139
306139
316040

Chance of precipitation in July

Any precipitation

Duncraig gets around 100 mm of rain over 12.1 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
140
240
340
439
539
639
738
838
937
1037
1137
1237
1337
1437
1537
1637
1737
1837
1938
2038
2139
2239
2339
2440
2540
2640
2740
2840
2940
3039
3139

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19280
29280
39370
49370
59370
69460
79460
89460
99460
109460
119460
129460
139550
149550
159550
169550
179550
189550
199460
209460
219460
229460
239460
249271
259271
269271
279271
289271
299271
309271
319271

Wind in July

Winds average 16 km/h in July.

Across July, 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 July

DaylightNight

Daylight runs from about 9 h 54 min at the start of July to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over July. Sunrise moves from 7:22 AM to 7:11 AM, and sunset from 5:19 PM to 5:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.97:225:19
29.97:225:19
310.07:225:19
410.07:225:20
510.07:225:20
610.07:225:21
710.07:225:21
810.07:215:22
910.07:215:22
1010.07:215:23
1110.07:215:23
1210.17:215:24
1310.17:205:24
1410.17:205:25
1510.17:205:25
1610.17:195:26
1710.17:195:26
1810.17:185:27
1910.27:185:28
2010.27:185:28
2110.27:175:29
2210.27:175:29
2310.27:165:30
2410.37:165:31
2510.37:155:31
2610.37:145:32
2710.37:145:32
2810.37:135:33
2910.47:125:34
3010.47:125:34
3110.47:115:35

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 2.73 kWh/m².

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 — July's 2.73 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.6Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.6Moderate
82.6Moderate
92.6Moderate
102.7Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.7Moderate
152.7Moderate
162.7Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.9Moderate
252.9Moderate
262.9Moderate
272.9Moderate
282.9Moderate
293.0Moderate
303.0Moderate
313.0Moderate
Planning a trip in July

Hazard calendar for Duncraig

In seasonPeak

In July, Duncraig sits inside its rainy season 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 July a good time to visit Duncraig?

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

5.6
Sightseeing
12th-best month of the year
1.6
Beach & pool
12th-best month of the year

July is a reasonable time to visit Duncraig for sightseeing.

What to pack for Duncraig in July

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

In July, Duncraig sees daytime highs around 17°C and nights near 11°C. Worth packing: rain gear. About 12 days see rain.

rain gear

Sea temperature near Duncraig in July

The nearest coast averages about 20°C in July — 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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 3 — enough to warrant sun protection. 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
July 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).