Newcastle weather in March

In March, Newcastle sees average daytime highs of 23°C and overnight lows near 20°C, with 98 mm of rain across 11.7 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 47% of the time in March, and the air most often feels humid.

Daylight stretches from about 12 h 48 min at the start of March to 11 h 42 min by month's end. Set against the rest of the year, March is Newcastle's 7th-clearest and 10th-windiest month. For the whole year in context, see Newcastle's year-round climate.

Daytime high
23°
3rd warmest
Overnight low
20°
10th coldest
Rainfall
98 mm
11.7 wet days
Daylight
12 h 18 min
6:55 AM – 7:10 PM
Cloud cover
46%
7th clearest
Wind
18 km/h
10th windiest
Solar energy
4.77 kWh/m²
Travel score
6.8
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 March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical March day in Newcastle reaches about 23°C in the afternoon and slips back to 20°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 25°C. Set against its neighbours, March runs about 1°C cooler than February and about 2°C warmer than April.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12321
22321
32321
42321
52321
62321
72321
82321
92321
102321
112321
122320
132320
142320
152320
162320
172320
182320
192320
202320
212320
222320
232320
242320
252320
262320
272220
282220
292220
302219
312219

Newcastle weather by month

How March compares with the rest of the year at a glance. March is the 3rd-warmest and 2nd-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 19% of March, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26238
36337
46337
56337
66535
76535
86634
96634
106733
116733
126832
136832
146832
156832
166832
176832
186733
196733
206634
216634
226634
236634
246634
256634
266634
276634
286733
296733
306733
316832

Chance of precipitation in March

Any precipitation

Newcastle gets around 98 mm of rain over 11.7 wet days in March. 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%151015202531
Rain chance (%)
136
236
336
436
536
636
736
836
936
1036
1136
1236
1336
1436
1536
1636
1736
1837
1937
2037
2138
2238
2338
2438
2539
2639
2739
2839
2939
3039
3139

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the humid band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 38% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
131434445
231435435
331436434
431437424
531537414
631538403
741638403
841638393
941638393
1041738393
1141738383
1241737383
1341737383
1441737384
1551837374
1651836374
1751836374
1851936364
1961936364
2062036354
2162036343
2272137333
2372237313
2482337303
2582438283
2692538272
2792638252
28102738242
29112838221
30112938211
31123038191

Wind in March

Winds average 18 km/h in March.

Across March, daily wind ranges from about 17 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 48 min at the start of March to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over March. Sunrise moves from 6:43 AM to 7:06 AM, and sunset from 7:29 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:437:29
212.76:447:28
312.76:457:27
412.76:467:25
512.66:467:24
612.66:477:23
712.66:487:22
812.56:497:20
912.56:507:19
1012.56:507:18
1112.46:517:17
1212.46:527:15
1312.46:537:14
1412.36:537:13
1512.36:547:11
1612.36:557:10
1712.26:567:09
1812.26:567:07
1912.16:577:06
2012.16:587:05
2112.16:597:03
2212.06:597:02
2312.07:007:01
2412.07:016:59
2511.97:026:58
2611.97:026:57
2711.97:036:55
2811.87:046:54
2911.87:046:52
3011.87:056:51
3111.77:066:50

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.77 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 — March's 4.77 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.1Bright
45.1Bright
55.1Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.7Bright
214.7Bright
224.7Bright
234.6Bright
244.6Bright
254.5Bright
264.5Bright
274.5Bright
284.4Bright
294.4Bright
304.4Bright
314.3Bright
Planning a trip in March

Hazard calendar for Newcastle

In seasonPeak

In March, 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 March a good time to visit Newcastle?

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

6.8
Sightseeing
5th-best month of the year
5.2
Beach & pool
3rd-best month of the year

March is a reasonable time to visit Newcastle for sightseeing.

What to pack for Newcastle in March

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

In March, Newcastle sees daytime highs around 23°C and nights near 20°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Newcastle in March

The nearest coast averages about 23°C in March — 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 March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 9 (very high — sun protection essential). 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 March

GoodModeratePoorUnhealthyVery unhealthy

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