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Byron Bay, New South Wales climate
Cfa Humid subtropical
Byron Bay has a mildly seasonal warm-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is January with an average daily high near 28°C, while the coldest is July averaging around 9°C at night. Around 1766 mm of precipitation falls each year, peaking in March (209 mm) and easing off in September (64 mm).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Byron Bay climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 28 | 27 | 25 | 23 | 20 | 20 | 21 | 24 | 25 | 26 | 28 |
| Avg temp (°C) | 24 | 24 | 23 | 20 | 17 | 15 | 14 | 15 | 18 | 19 | 21 | 23 |
| Avg low (°C) | 20 | 20 | 18 | 15 | 12 | 10 | 9 | 9 | 11 | 14 | 17 | 18 |
| Precipitation (mm) | 168 | 202 | 209 | 188 | 158 | 209 | 111 | 91 | 64 | 98 | 123 | 146 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 28 | 27 | 25 | 23 | 20 |
| Avg temp (°C) | 24 | 24 | 23 | 20 | 17 | 15 |
| Avg low (°C) | 20 | 20 | 18 | 15 | 12 | 10 |
| Precipitation (mm) | 168 | 202 | 209 | 188 | 158 | 209 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 20 | 21 | 24 | 25 | 26 | 28 |
| Avg temp (°C) | 14 | 15 | 18 | 19 | 21 | 23 |
| Avg low (°C) | 9 | 9 | 11 | 14 | 17 | 18 |
| Precipitation (mm) | 111 | 91 | 64 | 98 | 123 | 146 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 13 | 15 | 17 | 15 | 14 | 13 | 11 | 8 | 9 | 11 | 11 | 13 |
| Days with high ≥ 32°C (days) | 2 | 2 | 0.8 | 0.0 | — | — | — | 0.1 | 0.2 | 0.6 | 1 | 2 |
| Days with low ≤ 0°C (days) | — | — | — | — | — | 0.0 | 0.1 | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 13 | 15 | 17 | 15 | 14 | 13 |
| Days with high ≥ 32°C (days) | 2 | 2 | 0.8 | 0.0 | — | — |
| Days with low ≤ 0°C (days) | — | — | — | — | — | 0.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 8 | 9 | 11 | 11 | 13 |
| Days with high ≥ 32°C (days) | — | 0.1 | 0.2 | 0.6 | 1 | 2 |
| Days with low ≤ 0°C (days) | 0.1 | — | — | — | — | — |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 60 | 61 | 58 | 54 | 52 | 51 | 44 | 40 | 41 | 51 | 58 | 59 |
| Relative humidity (%) | 77 | 77 | 76 | 73 | 71 | 72 | 70 | 69 | 71 | 73 | 75 | 76 |
| Wind speed (m/s) | 5.6 | 5.6 | 5.4 | 5.1 | 5.1 | 5.3 | 5.3 | 5.3 | 5.5 | 5.8 | 5.8 | 5.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 60 | 61 | 58 | 54 | 52 | 51 |
| Relative humidity (%) | 77 | 77 | 76 | 73 | 71 | 72 |
| Wind speed (m/s) | 5.6 | 5.6 | 5.4 | 5.1 | 5.1 | 5.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 44 | 40 | 41 | 51 | 58 | 59 |
| Relative humidity (%) | 70 | 69 | 71 | 73 | 75 | 76 |
| Wind speed (m/s) | 5.3 | 5.3 | 5.5 | 5.8 | 5.8 | 5.7 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 27 years of daily observations at Ballina Airport Aws, a weather station, about 21 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.