Muswellbrook weather in May

In May, Muswellbrook sees average daytime highs of 20°C and overnight lows near 9°C, with 34 mm of rain across 5.1 wet days and about 10.4 hours of daylight. It is the 9th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 18°C by the end. The sky is clear or mostly clear about 45% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 42 min at the start of May to 10 h 06 min by month's end. Set against the rest of the year, May is Muswellbrook's 5th-clearest and 11th-windiest month. For the whole year in context, see Muswellbrook's year-round climate.

Daytime high
20°
9th warmest
Overnight low
5th coldest
Rainfall
34 mm
5.1 wet days
Daylight
10 h 24 min
7:42 AM – 6:03 PM
Cloud cover
46%
5th clearest
Wind
9 km/h
11th windiest
Solar energy
3.04 kWh/m²
Travel score
7.2
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 May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 18°C by the end.

A typical May day in Muswellbrook reaches about 20°C in the afternoon and slips back to 9°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 23°C. Set against its neighbours, May runs about 4°C cooler than April and about 3°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12211
22110
32110
42110
52110
62110
72110
82110
92010
10209
11209
12209
13209
14209
15209
16209
17209
18199
19199
20199
21199
22199
23198
24198
25198
26198
27188
28188
29188
30188
31188

Muswellbrook weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 11th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36238
46238
56238
66238
76238
86238
96238
106337
116238
126238
136238
146040
156040
166040
176040
186040
195941
205941
215941
226040
236040
245941
255941
265941
276040
285941
295941
305842
315743

Chance of precipitation in May

Any precipitation

Muswellbrook gets around 34 mm of rain over 5.1 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 17% and peaks near 20% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
117
217
316
416
516
616
716
815
915
1015
1115
1215
1315
1415
1515
1615
1716
1816
1916
2017
2117
2217
2318
2418
2518
2618
2719
2819
2919
3020
3120

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
182162
282162
383152
484142
585132
686122
787112
888111
989101
1089101
119091
129091
139190
149280
159280
169280
179280
189280
199280
209370
219370
229370
239460
249460
259460
269550
279550
289550
299550
309640
319640

Wind in May

Winds average 9 km/h in May.

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

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 42 min at the start of May to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over May. Sunrise moves from 7:31 AM to 7:52 AM, and sunset from 6:16 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.77:316:16
210.77:326:15
310.77:336:14
410.77:336:13
510.67:346:12
610.67:356:11
710.67:366:10
810.67:366:10
910.57:376:09
1010.57:386:08
1110.57:396:07
1210.47:396:06
1310.47:406:05
1410.47:416:05
1510.47:416:04
1610.47:426:03
1710.37:436:03
1810.37:446:02
1910.37:446:01
2010.37:456:01
2110.27:466:00
2210.27:466:00
2310.27:475:59
2410.27:485:59
2510.27:485:58
2610.17:495:58
2710.17:505:57
2810.17:505:57
2910.17:515:56
3010.17:515:56
3110.17:525:56

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.04 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 — May's 3.04 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.4Moderate
43.3Moderate
53.3Moderate
63.3Moderate
73.3Moderate
83.2Moderate
93.2Moderate
103.2Moderate
113.2Moderate
123.1Moderate
133.1Moderate
143.1Moderate
153.1Moderate
163.0Moderate
173.0Moderate
183.0Moderate
193.0Moderate
202.9Moderate
212.9Moderate
222.9Moderate
232.9Moderate
242.8Moderate
252.8Moderate
262.8Moderate
272.8Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.6Moderate
Planning a trip in May

Is May a good time to visit Muswellbrook?

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

7.2
Sightseeing
4th-best month of the year
3.5
Beach & pool
9th-best month of the year

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

What to pack for Muswellbrook in May

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

In May, Muswellbrook sees daytime highs around 20°C and nights near 9°C. Little to plan around — just the basics. About 5 days see rain.

UV index in Muswellbrook in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 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 May

GoodModeratePoorUnhealthyVery unhealthy

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