Prestons weather in August

In August, Prestons sees average daytime highs of 18°C and overnight lows near 6°C, with 32 mm of rain across 4.8 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 19°C by the end. The sky is clear or mostly clear about 62% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 18 min at the start of August to 11 h 12 min by month's end. Set against the rest of the year, August is Prestons's 1st-clearest and 1st-windiest month. For the whole year in context, see Prestons's year-round climate.

Daytime high
18°
10th warmest
Overnight low
2nd coldest
Rainfall
32 mm
4.8 wet days
Daylight
10 h 42 min
7:39 AM – 6:22 PM
Cloud cover
34%
1st clearest
Wind
10 km/h
1st windiest
Solar energy
3.8 kWh/m²
Travel score
7.1
out of 10

Prestons is locality in New South Wales, Australia.

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 19°C by the end.

A typical August day in Prestons reaches about 18°C in the afternoon and slips back to 6°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 22°C. Set against its neighbours, August runs about 2°C warmer than July and about 3°C cooler than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1176
2176
3186
4186
5186
6186
7186
8186
9186
10186
11186
12186
13186
14186
15186
16186
17186
18186
19186
20187
21197
22197
23197
24197
25197
26197
27197
28197
29197
30197
31198

Prestons weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 18°709.8146.0
Feb27° / 18°8810.413.36.2
Mar25° / 16°6610.412.36.8
Apr23° / 12°426.511.27.5
May20° / 405.310.37.2
Jun17° / 536.49.86.2
Jul17° / 305106.3
Aug18° / 324.810.77.1
Sep21° / 375.711.87.5
Oct23° / 11°517.512.97.4
Nov25° / 14°709.413.86.9
Dec27° / 16°649.414.26.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 23%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17921
28020
38020
48119
58020
68119
78119
88119
98020
108020
118020
128020
138020
147921
157921
167822
177822
187723
197723
207624
217624
227426
237426
247426
257228
267228
277228
287129
297129
307129
317030

Chance of precipitation in August

Any precipitation

Prestons gets around 32 mm of rain over 4.8 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 16% and peaks near 21% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
115
214
314
414
513
613
713
813
913
1013
1114
1214
1314
1414
1514
1615
1715
1815
1916
2016
2117
2217
2318
2418
2519
2619
2719
2820
2920
3021
3121

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
17991
18991
19991
20991
21991
22991
23991
24991
25991
26982
27982
28982
29982
30982
31973

Wind in August

Winds average 10 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 18 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 54 minutes over August. Sunrise moves from 7:54 AM to 7:20 AM, and sunset from 6:11 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.37:546:11
210.37:536:12
310.37:526:13
410.47:516:14
510.47:506:14
610.47:496:15
710.57:486:16
810.57:476:16
910.57:466:17
1010.57:456:18
1110.67:446:19
1210.67:436:19
1310.67:426:20
1410.77:416:21
1510.77:406:22
1610.77:396:22
1710.87:386:23
1810.87:376:24
1910.87:356:25
2010.97:346:25
2110.97:336:26
2210.97:326:27
2311.07:306:27
2411.07:296:28
2511.07:286:29
2611.17:276:30
2711.17:256:30
2811.17:246:31
2911.27:236:32
3011.27:216:33
3111.27:206:33

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.8 kWh/m².

For context, solar energy here swings from a low near 2.47 kWh/m² to a high of 6.54 kWh/m² in December across the year — August's 3.8 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.4Moderate
43.5Moderate
53.5Moderate
63.5Moderate
73.6Moderate
83.6Moderate
93.6Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.9Moderate
183.9Moderate
193.9Moderate
203.9Moderate
213.9Moderate
224.0Moderate
234.0Moderate
244.0Moderate
254.0Bright
264.0Bright
274.1Bright
284.1Bright
294.1Bright
304.2Bright
314.2Bright
Planning a trip in August

Hazard calendar for Prestons

In seasonPeak

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

Prestons 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 Prestons?

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

7.1
Sightseeing
5th-best month of the year
2.6
Beach & pool
10th-best month of the year

August is one of the better times to visit Prestons for general sightseeing.

What to pack for Prestons in August

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

In August, Prestons sees daytime highs around 18°C and nights near 6°C. Worth packing: a warm layer. About 5 days see rain.

a warm layer

Sea temperature near Prestons in August

The nearest coast averages about 18°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 31 km away) is warmest in February at about 23°C and coldest in August near 18°C.

It's comfortable for a long swim from Nov 16 to Jun 2 — about 6.5 months when the water holds above 20°C.

16°18°20°22°24°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan23Refreshing
Feb23Refreshing
Mar23Refreshing
Apr22Refreshing
May21Refreshing
Jun19Cool
Jul18Cool
Aug18Cool
Sep18Cool
Oct19Cool
Nov20Refreshing
Dec21Refreshing

UV index in Prestons 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 Prestons peaks around January 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 14UV 12Jun 18UV 2
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar9Very high
Apr6High
May4Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep5High
Oct8Very high
Nov10Very high
Dec12Extreme

Air quality in Prestons in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Prestons is worst in December — around 49 µg/m³ PM2.5 (poor), about 8.1× the cleanest month (June, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorDec 1545 µg/m³Jun 236 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb7Good
Mar7Good
Apr8Good
May8Good
Jun6Good
Jul6Good
Aug8Good
Sep10Good
Oct10Good
Nov25Moderate
Dec49Poor
Location & terrain

Where is Prestons?

Prestons sits at 33.9°S, 150.9°E, 32 m above sea level, in Australia. The nearest listed city is Casula, 3.0 km away.

Topography around Prestons

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

Within 3 km, the terrain around Prestons has only modest variations in elevation — a maximum elevation change of 55 m around an average of 40 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 220 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,361 m.

The land around Prestons is covered by artificial surfaces (63%) and trees (22%) within 3 km, trees (39%), artificial surfaces (32%) and grassland (25%) within 16 km, and trees (59%) and water (25%) within 80 km.

3 km
55 m
16 km
220 m
80 km
1,361 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Casula 3.0 km · Liverpool 6.0 km · Cabramatta 8.0 km · Fairfield 11 km · Yagoona 14 km · Greystanes 15 km · Bankstown 15 km · Merrylands 16 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 Prestons (-33.9419°, 150.8717°, elevation 32 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).