Muswellbrook weather in January

In January, Muswellbrook sees average daytime highs of 30°C and overnight lows near 18°C, with 59 mm of rain across 7.6 wet days and about 13.9 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 46% of the time in January, and the air most often feels humid.

Daylight stretches from about 14 h 06 min at the start of January to 13 h 36 min by month's end. Set against the rest of the year, January is Muswellbrook's 8th-clearest and 5th-windiest month. For the whole year in context, see Muswellbrook's year-round climate.

Daytime high
30°
1st warmest
Overnight low
18°
12th coldest
Rainfall
59 mm
7.6 wet days
Daylight
13 h 54 min
6:09 AM – 8:03 PM
Cloud cover
48%
8th clearest
Wind
10 km/h
5th windiest
Solar energy
6.82 kWh/m²
Travel score
5.3
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical January day in Muswellbrook reaches about 30°C in the afternoon and slips back to 18°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 37°C. Set against its neighbours, January runs about 2°C warmer than December and about 1°C warmer than February.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13018
23018
33018
43018
53018
63018
73018
83018
93018
103018
113018
123018
133018
143018
153018
163018
173018
183118
193118
203118
213118
223118
233018
243018
253018
263018
273018
283018
293018
303018
313018

Muswellbrook weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 4th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26238
36238
46337
56337
66238
76139
86139
96139
106040
116040
126040
136040
146040
155941
165941
176040
185941
195941
205941
215941
225941
235941
245941
256040
266040
276040
286040
296040
306040
316238

Chance of precipitation in January

Any precipitation

Muswellbrook gets around 59 mm of rain over 7.6 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 24% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
123
222
322
421
521
621
721
821
921
1021
1122
1222
1322
1423
1524
1624
1725
1826
1927
2027
2128
2228
2328
2428
2528
2628
2727
2827
2927
3026
3126

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the humid band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 20% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
124363190
2243531100
3243431110
4243331120
5243231120
6243132130
7233032140
8232933150
9222834150
10222734160
11222735170
12212635170
13212635180
14202535190
15192536191
16182536201
17182536211
18172437211
19162437221
20152437231
21152337241
22152337241
23142237252
24142237252
25142237262
26142137262
27142136272
28142136272
29142136272
30142236272
31142235271

Wind in January

Winds average 10 km/h in January.

Across January, 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
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 14 h 06 min at the start of January to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over January. Sunrise moves from 5:57 AM to 6:22 AM, and sunset from 8:02 PM to 7:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:578:02
214.15:588:02
314.15:598:02
414.15:598:03
514.06:008:03
614.06:018:03
714.06:018:03
814.06:028:03
914.06:038:03
1014.06:048:03
1114.06:058:03
1214.06:058:03
1313.96:068:03
1413.96:078:03
1513.96:088:03
1613.96:098:03
1713.96:108:03
1813.96:108:02
1913.86:118:02
2013.86:128:02
2113.86:138:02
2213.86:148:01
2313.86:158:01
2413.76:168:01
2513.76:178:00
2613.76:188:00
2713.76:187:59
2813.76:197:59
2913.66:207:58
3013.66:217:58
3113.66:227:57

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.82 kWh/m² — the sunniest month for solar.

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 — January's 6.82 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.2Intense
37.2Intense
47.2Intense
57.1Intense
67.1Intense
77.0Intense
87.0Intense
97.0Intense
106.9Intense
116.8Intense
126.8Intense
136.8Intense
146.7Intense
156.7Intense
166.6Intense
176.6Intense
186.6Intense
196.5Intense
206.5Intense
216.5Intense
226.4Intense
236.4Intense
246.4Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.2Intense
316.2Intense
Planning a trip in January

Is January a good time to visit Muswellbrook?

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

5.3
Sightseeing
12th-best month of the year
7.3
Beach & pool
2nd-best month of the year

January is a reasonable time to visit Muswellbrook for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Muswellbrook in January

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

In January, Muswellbrook sees daytime highs around 30°C and nights near 18°C. Pack light clothes and sun protection. About 8 days see rain.

light clothessun protection

UV index in Muswellbrook in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).