Muswellbrook weather in August

In August, Muswellbrook sees average daytime highs of 18°C and overnight lows near 6°C, with 31 mm of rain across 4.7 wet days and about 10.8 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 19°C by the end. The sky is clear or mostly clear about 59% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 24 min at the start of August to 11 h 18 min by month's end. Set against the rest of the year, August is Muswellbrook's 1st-clearest and 1st-windiest month. For the whole year in context, see Muswellbrook's year-round climate.

Daytime high
18°
10th warmest
Overnight low
2nd coldest
Rainfall
31 mm
4.7 wet days
Daylight
10 h 48 min
7:36 AM – 6:25 PM
Cloud cover
36%
1st clearest
Wind
11 km/h
1st windiest
Solar energy
3.85 kWh/m²
Travel score
7.0
out of 10

Muswellbrook is town in New South Wales, Australia.

Air quality
Moderate
PM2.5 12.2 µg/m³ · 2019

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 17°C in the first days to 19°C by the end.

A typical August day in Muswellbrook 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 14°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
3176
4176
5176
6176
7176
8176
9186
10186
11186
12186
13186
14186
15186
16186
17186
18186
19186
20186
21187
22197
23197
24197
25197
26197
27197
28197
29197
30198
31208

Muswellbrook weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 18°597.613.95.3
Feb29° / 18°707.213.25.9
Mar27° / 16°527.412.27.1
Apr23° / 12°384.911.27.9
May20° / 345.110.47.2
Jun17° / 466.39.95.9
Jul16° / 36510.15.9
Aug18° / 314.710.87.0
Sep22° / 375.311.87.7
Oct24° / 12°51712.87.7
Nov27° / 14°708.413.76.9
Dec29° / 16°67814.16.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27525
37525
47624
57624
67822
77822
87822
97822
107822
117921
127921
137921
147921
157822
167723
177723
187723
197624
207426
217426
227228
237228
247129
257030
267030
276931
286931
296931
306931
316832

Chance of precipitation in August

Any precipitation

Muswellbrook gets around 31 mm of rain over 4.7 wet days in August, the driest month. 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 19% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
116
216
315
415
514
614
714
813
913
1013
1113
1214
1314
1414
1514
1614
1715
1815
1915
2016
2116
2217
2317
2417
2518
2618
2718
2818
2919
3019
3119

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
171000
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28982
29982
30982
31982

Wind in August

Winds average 11 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 24 min at the start of August to 11 h 18 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 7:50 AM to 7:18 AM, and sunset from 6:15 PM to 6:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.47:506:15
210.47:506:15
310.47:496:16
410.57:486:17
510.57:476:17
610.57:466:18
710.67:456:19
810.67:446:19
910.67:446:20
1010.67:436:21
1110.77:426:21
1210.77:416:22
1310.77:406:23
1410.77:396:23
1510.87:376:24
1610.87:366:25
1710.87:356:25
1810.97:346:26
1910.97:336:27
2010.97:326:27
2111.07:316:28
2211.07:306:29
2311.07:286:29
2411.07:276:30
2511.17:266:31
2611.17:256:31
2711.17:236:32
2811.27:226:33
2911.27:216:33
3011.27:206:34
3111.37:186:35

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.85 kWh/m².

For context, solar energy here swings from a low near 2.46 kWh/m² to a high of 6.82 kWh/m² in January across the year — August's 3.85 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.4Moderate
43.5Moderate
53.5Moderate
63.6Moderate
73.6Moderate
83.6Moderate
93.7Moderate
103.7Moderate
113.8Moderate
123.8Moderate
133.8Moderate
143.8Moderate
153.9Moderate
163.9Moderate
173.9Moderate
183.9Moderate
194.0Moderate
204.0Moderate
214.0Moderate
224.0Bright
234.0Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.2Bright
294.2Bright
304.2Bright
314.3Bright
Planning a trip in August

Is August a good time to visit Muswellbrook?

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

7.0
Sightseeing
6th-best month of the year
2.4
Beach & pool
10th-best month of the year

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

What to pack for Muswellbrook in August

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

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

a warm layer

UV index in Muswellbrook in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Muswellbrook peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 17UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar9Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug5Moderate
Sep6High
Oct9Very high
Nov10Extreme
Dec12Extreme

Air quality in Muswellbrook 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 Muswellbrook is worst in December — around 45 µg/m³ PM2.5 (poor), about 7.1× the cleanest month (June, 6 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Muswellbrook's WHO annual average of 12.2 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorDec 1741 µg/m³Jun 206 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb10Good
Mar8Good
Apr8Good
May7Good
Jun6Good
Jul7Good
Aug8Good
Sep8Good
Oct10Good
Nov14Moderate
Dec45Poor
Location & terrain

Where is Muswellbrook?

Muswellbrook sits at 32.3°S, 150.9°E, 164 m above sea level, in Australia. The nearest listed city is Cessnock, 77 km away.

Topography around Muswellbrook

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

Within 3 km, the terrain around Muswellbrook has only modest variations in elevation — a maximum elevation change of 170 m around an average of 165 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 635 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,689 m.

The land around Muswellbrook is covered by grassland (37%) and trees (29%) within 3 km, grassland (57%) and trees (30%) within 16 km, and trees (59%) and grassland (36%) within 80 km.

3 km
170 m
16 km
635 m
80 km
1,689 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Cessnock 77 km · Maitland 82 km · Newcastle 112 km · Tamworth 130 km · Central Coast 138 km · Umina Beach 146 km · Taree 152 km · Pittwater 161 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 Muswellbrook (-32.2612°, 150.8901°, elevation 164 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. 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).