Newcastle weather in April

In April, Newcastle sees average daytime highs of 21°C and overnight lows near 18°C, with 87 mm of rain across 11.2 wet days and about 11.2 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 20°C by the end. The sky is clear or mostly clear about 47% of the time in April, and the air most often feels comfortable.

Daylight stretches from about 11 h 42 min at the start of April to 10 h 42 min by month's end. Set against the rest of the year, April is Newcastle's 5th-clearest and 12th-windiest month. For the whole year in context, see Newcastle's year-round climate.

Daytime high
21°
5th warmest
Overnight low
18°
8th coldest
Rainfall
87 mm
11.2 wet days
Daylight
11 h 12 min
7:18 AM – 6:29 PM
Cloud cover
44%
5th clearest
Wind
17 km/h
12th windiest
Solar energy
3.89 kWh/m²
Travel score
6.6
out of 10

Newcastle is city in New South Wales, Australia.

Density
1,942/km²
people per km²
Founded
1804

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 20°C by the end.

A typical April day in Newcastle reaches about 21°C in the afternoon and slips back to 18°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 24°C. Set against its neighbours, April runs about 2°C cooler than March and about 2°C warmer than May.

15°18°20°23°25°151015202530
Avg high (°C)Avg low (°C)
12219
22219
32219
42219
52219
62219
72219
82219
92219
102219
112218
122118
132118
142118
152118
162118
172118
182118
192118
202118
212118
222118
232118
242118
252118
262118
272117
282017
292017
302017

Newcastle weather by month

How April compares with the rest of the year at a glance. April is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 21°769.513.97.2
Feb24° / 21°979.813.27.0
Mar23° / 20°9811.712.36.8
Apr21° / 18°8711.211.26.6
May19° / 16°9410.710.36.2
Jun17° / 14°11311.69.95.5
Jul16° / 13°739105.6
Aug17° / 13°567.210.86.3
Sep19° / 15°536.611.86.9
Oct20° / 16°638.412.86.8
Nov21° / 18°819.613.76.6
Dec23° / 20°709.814.17.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 21% of April, with mostly cloudy or overcast conditions the remaining 32%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16832
26931
36931
46832
56832
66931
76931
86931
96931
106931
116931
126931
136931
146931
156931
166931
176832
186931
196931
206931
216832
226733
236733
246733
256733
266733
276634
286634
296634
306733

Chance of precipitation in April

Any precipitation

Newcastle gets around 87 mm of rain over 11.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
139
239
339
438
538
638
738
838
938
1038
1137
1237
1337
1437
1536
1636
1736
1836
1936
2036
2136
2236
2336
2436
2537
2637
2737
2837
2937
3037

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the comfortable band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1133138181
2143238160
3153238150
4163338130
5173437120
6173537110
7183637100
818363790
919373780
1019383770
1119383760
1219383760
1319393650
1420393650
1520393650
1620393650
1720393640
1821403540
1922403540
2022403440
2123403430
2224403330
2325403230
2426403130
2527403030
2629402920
2730402720
2832402620
2933402510
3035412310

Wind in April

Winds average 17 km/h in April, the calmest month.

Across April, daily wind ranges from about 17 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 42 min at the start of April to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over April. Sunrise moves from 7:07 AM to 7:28 AM, and sunset from 6:48 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:076:48
211.77:076:47
311.67:086:46
411.67:096:44
511.67:106:43
611.57:106:42
711.57:116:40
811.57:126:39
911.47:126:38
1011.47:136:36
1111.47:146:35
1211.37:156:34
1311.37:156:32
1411.37:166:31
1511.27:176:30
1611.27:186:29
1711.27:186:27
1811.17:196:26
1911.17:206:25
2011.17:206:24
2111.07:216:23
2211.07:226:21
2311.07:236:20
2410.97:236:19
2510.97:246:18
2610.97:256:17
2710.87:266:16
2810.87:266:15
2910.87:276:14
3010.77:286:13

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.89 kWh/m².

For context, solar energy here swings from a low near 2.46 kWh/m² to a high of 6.64 kWh/m² in January across the year — April's 3.89 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.1Bright
94.1Bright
104.1Bright
114.0Bright
124.0Bright
134.0Moderate
144.0Moderate
153.9Moderate
163.9Moderate
173.9Moderate
183.8Moderate
193.8Moderate
203.7Moderate
213.7Moderate
223.7Moderate
233.6Moderate
243.6Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.4Moderate
293.4Moderate
303.4Moderate
Planning a trip in April

Hazard calendar for Newcastle

In seasonPeak

In April, Newcastle sits inside its cyclone season. The full year is below, with each hazard's peak months called out.

Newcastle 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 April a good time to visit Newcastle?

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

6.6
Sightseeing
7th-best month of the year
4.1
Beach & pool
5th-best month of the year

April is a reasonable time to visit Newcastle for sightseeing.

What to pack for Newcastle in April

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

In April, Newcastle sees daytime highs around 21°C and nights near 18°C. Worth packing: rain gear. About 11 days see rain.

rain gear

Sea temperature near Newcastle in April

The nearest coast averages about 22°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in February at about 23°C and coldest in August near 18°C.

It's comfortable for a long swim from Nov 13 to Jun 11 — about 6.9 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
Jun20Cool
Jul19Cool
Aug18Cool
Sep18Cool
Oct19Cool
Nov20Refreshing
Dec21Refreshing

UV index in Newcastle in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Newcastle peaks around January 18 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 18UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar9Very high
Apr6High
May4Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov10Very high
Dec11Extreme

Air quality in Newcastle in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Newcastle is worst in December — around 23 µg/m³ PM2.5 (moderate), about 4.3× the cleanest month (June, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateDec 1621 µg/m³Jun 205 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb7Good
Mar7Good
Apr6Good
May6Good
Jun5Good
Jul6Good
Aug7Good
Sep8Good
Oct8Good
Nov11Good
Dec23Moderate
Location & terrain

Where is Newcastle?

Newcastle sits at 32.9°S, 151.8°E, 48 m above sea level, in Australia. The nearest listed city is Maitland, 30 km away.

Topography around Newcastle

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

Within 3 km, the terrain around Newcastle has only modest variations in elevation — a maximum elevation change of 76 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 158 m; within 80 km, large variations in elevation — a maximum elevation change of 863 m.

The land around Newcastle is covered by water (61%) and artificial surfaces (31%) within 3 km, water (53%) within 16 km, and trees (44%) and water (33%) within 80 km.

3 km
76 m
16 km
158 m
80 km
863 m
treesgrasslandartificial surfacesbare terrainwaterwetlandmangroves
April weather nearby: Maitland 30 km · Cessnock 41 km · Central Coast 67 km · Umina Beach 79 km · Pittwater 93 km · Dee Why 102 km · Saint Ives 106 km · Hornsby 107 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 Newcastle (-32.9295°, 151.7801°, elevation 48 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).