Byron Bay weather in March

In March, Byron Bay sees average daytime highs of 26°C and overnight lows near 20°C, with 128 mm of rain across 15.3 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 34% of the time in March, and the air most often feels muggy.

Daylight stretches from about 12 h 36 min at the start of March to 11 h 48 min by month's end. Set against the rest of the year, March is Byron Bay's 9th-clearest and 7th-windiest month. For the whole year in context, see Byron Bay's year-round climate.

Daytime high
26°
4th warmest
Overnight low
20°
9th coldest
Rainfall
128 mm
15.3 wet days
Daylight
12 h 12 min
6:49 AM – 7:02 PM
Cloud cover
54%
9th clearest
Wind
12 km/h
7th windiest
Solar energy
5.1 kWh/m²
Travel score
6.0
out of 10

Byron Bay is town in New South Wales, Australia.

Density
1/km²
people per km²

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 26°C through the month.

A typical March day in Byron Bay reaches about 26°C in the afternoon and slips back to 20°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°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)
12721
22721
32721
42621
52620
62620
72620
82620
92620
102620
112620
122620
132620
142620
152620
162620
172620
182620
192620
202620
212620
222620
232620
242619
252619
262619
272619
282619
292519
302519
312519

Byron Bay weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 21°14013.613.66.0
Feb27° / 21°13813.7135.7
Mar26° / 20°12815.312.26.0
Apr24° / 17°7812.511.36.6
May22° / 14°8710.410.66.8
Jun20° / 12°1029.710.26.5
Jul19° / 11°50710.47.0
Aug20° / 11°556.4117.4
Sep22° / 14°406.811.87.6
Oct24° / 16°789.512.77.3
Nov25° / 18°10411.113.46.7
Dec27° / 20°10912.513.86.2

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 26% of March, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35347
45446
55545
65644
75743
85842
96040
106139
116139
126238
136337
146337
156436
166436
176436
186436
196436
206337
216337
226238
236238
246238
256238
266139
276238
286238
296337
306535
316535

Chance of precipitation in March

Any precipitation

Byron Bay gets around 128 mm of rain over 15.3 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 48% and peaks near 53% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
153
253
353
452
552
651
751
850
949
1048
1147
1246
1346
1445
1545
1645
1745
1845
1945
2046
2147
2247
2348
2448
2549
2649
2749
2849
2949
3048
3148

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the muggy band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 55% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
103295018
203305017
303314916
404324816
504334815
604344715
704354615
805364514
905374514
1005384413
1105384412
1205394412
1306394411
1406394411
1506394511
1606384510
1707384510
1807384510
1907374510
2008374510
2108374510
220837459
230937459
240937459
250938448
2611039428
2711140418
2811141397
2911243386
3021344366
3121445345

Wind in March

Winds average 12 km/h in March.

Across March, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 36 min at the start of March to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over March. Sunrise moves from 6:39 AM to 6:57 AM, and sunset from 7:18 PM to 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:397:18
212.66:407:17
312.66:417:16
412.66:417:15
512.56:427:14
612.56:437:13
712.56:437:12
812.46:447:11
912.46:457:10
1012.46:457:08
1112.46:467:07
1212.36:467:06
1312.36:477:05
1412.36:487:04
1512.26:487:03
1612.26:497:02
1712.26:497:00
1812.26:506:59
1912.16:516:58
2012.16:516:57
2112.16:526:56
2212.06:526:54
2312.06:536:53
2412.06:536:52
2511.96:546:51
2611.96:556:50
2711.96:556:49
2811.96:566:47
2911.86:566:46
3011.86:576:45
3111.86:576:44

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.1 kWh/m².

For context, solar energy here swings from a low near 2.92 kWh/m² to a high of 6.81 kWh/m² in December across the year — March's 5.1 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.1Bright
195.1Bright
205.1Bright
215.0Bright
225.0Bright
235.0Bright
244.9Bright
254.9Bright
264.9Bright
274.8Bright
284.8Bright
294.8Bright
304.7Bright
314.7Bright
Planning a trip in March

Hazard calendar for Byron Bay

In seasonPeak

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

Byron Bay 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 Byron Bay?

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

6.0
Sightseeing
10th-best month of the year
5.8
Beach & pool
6th-best month of the year

March is a reasonable time to visit Byron Bay for sightseeing.

What to pack for Byron Bay in March

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

In March, Byron Bay sees daytime highs around 26°C and nights near 20°C. Pack rain gear. Worth having: light clothes and sun protection. About 15 days see rain.

rain gearlight clothessun protection

Sea temperature near Byron Bay in March

The nearest coast averages about 26°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 26°C and coldest in August near 21°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar26Warm
Apr25Warm
May24Refreshing
Jun22Refreshing
Jul21Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov24Refreshing
Dec25Warm

UV index in Byron Bay in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Byron Bay peaks around January 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 21UV 13Jun 18UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug6High
Sep7Very high
Oct10Very high
Nov11Extreme
Dec13Extreme
Location & terrain

Where is Byron Bay?

Byron Bay sits at 28.6°S, 153.6°E, 0 m above sea level, in Australia. The nearest listed city is Banora Point, 49 km away.

Topography around Byron Bay

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

Within 3 km, the terrain around Byron Bay has only modest variations in elevation — a maximum elevation change of 91 m around an average of 8 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 263 m; within 80 km, large variations in elevation — a maximum elevation change of 1,197 m.

The land around Byron Bay is covered by water (40%) and trees (38%) within 3 km, water (58%) and trees (22%) within 16 km, and water (39%) and trees (38%) within 80 km.

3 km
91 m
16 km
263 m
80 km
1,197 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
March weather nearby: Banora Point 49 km · Palm Beach 61 km · Robina 68 km · Surfers Paradise 74 km · Gold Coast 74 km · Nerang 78 km · Southport 79 km · Labrador 81 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 Byron Bay (-28.6499°, 153.6125°, elevation 0 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).