April is one of the warmer months of the year in Byron Bay, with average highs near 23.6°C and lows around 21.4°C (mean 22.5°C). It is a relatively wet time of year, averaging 125 mm of rainfall and 74% relative humidity across the period.
April is one of the warmer months of the year in Byron Bay. Across 45 years of records, the warmest Aprils in Byron Bay were 1998 and 2016 — when the month averaged 23.7°C — while the coldest was 1984 at 21.2°C. Typical April days reach 23.6°C with nights near 21.4°C. The long-term trend is warming, about 0.2°C per decade.
April is a relatively wet time of year in Byron Bay, averaging 125 mm of rainfall. The wettest April on record was 1988 with 572 mm, while the driest was 2016 at 25 mm.
Relative humidity in Byron Bay during April averages 74%. The most humid April was 1988 at 81%, and the least humid were 1996 and 2023 at 70%.
April receives about 4.1 kWh/m²/day of solar energy in Byron Bay. The sunniest April was 1991 at 4.8 kWh/m²/day, and the cloudiest was 1988 at 3.3.
Average wind speed in Byron Bay during April is 5.2 m/s. The windiest April was 1988 at 6.2 m/s, while the calmest was 1981 at 4.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.2°C | 22.2°C | 22.6°C | 22.8°C | 22.9°C | +0.7°C |
| Avg High | 23.2°C | 23.4°C | 23.7°C | 23.9°C | 24.0°C | +0.8°C |
| Avg Low | 21.1°C | 21.0°C | 21.6°C | 21.8°C | 21.8°C | +0.7°C |
| Avg Rain | 217 mm | 122 mm | 102 mm | 96 mm | 81 mm | -136 mm |
April temperatures in Byron Bay have risen by about 0.9°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 13.7°C (1994) to a record high of 28.4°C (2020).
Rainfall in April is a relatively wet time of year, averaging 125 mm, with a wettest year of 572 mm.
One of the best times to visit Byron Bay
April is one of the best times to visit Byron Bay. Expect days averaging 23.6°C and nights around 21.4°C (mean 22.5°C) — warmer than Byron Bay's yearly average — with higher rainfall (125 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 24.2°C | 23.1°C | 22.1°C | 26.1°C | 19.7°C | 137 mm | 77% | 5.6 m/s | 4.1 |
| 2024 | 24.4°C | 23.4°C | 22.3°C | 27.1°C | 19.2°C | 98 mm | 74% | 4.6 m/s | 4.1 |
| 2023 | 24.1°C | 22.9°C | 21.8°C | 26.8°C | 19.5°C | 46 mm | 70% | 6.1 m/s | 4.2 |
| 2022 | 23.7°C | 22.8°C | 21.9°C | 26.5°C | 21.0°C | 38 mm | 76% | 5.3 m/s | 4.1 |
| 2021 | 23.1°C | 21.8°C | 20.4°C | 27.2°C | 17.1°C | 130 mm | 73% | 5.2 m/s | 4.2 |
| 2020 | 24.5°C | 23.2°C | 22.0°C | 28.4°C | 20.0°C | 38 mm | 73% | 4.3 m/s | 4.5 |
| 2019 | 24.1°C | 23.1°C | 22.2°C | 26.3°C | 21.0°C | 82 mm | 74% | 5.5 m/s | 4.1 |
| 2018 | 24.5°C | 23.4°C | 22.3°C | 28.2°C | 20.5°C | 58 mm | 75% | 5.7 m/s | 4.3 |
| 2017 | 23.0°C | 21.9°C | 20.8°C | 26.2°C | 16.1°C | 29 mm | 73% | 6 m/s | 4.2 |
| 2016 | 24.7°C | 23.7°C | 22.7°C | 27.0°C | 21.2°C | 25 mm | 74% | 4.8 m/s | 4.2 |
| 2015 | 23.8°C | 22.5°C | 21.1°C | 26.3°C | 15.8°C | 95 mm | 72% | 4.6 m/s | 4.2 |
| 2014 | 24.4°C | 23.2°C | 22.1°C | 28.1°C | 20.1°C | 35 mm | 72% | 4.7 m/s | 4.5 |
| 2013 | 23.6°C | 22.5°C | 21.3°C | 26.0°C | 19.7°C | 183 mm | 73% | 4.4 m/s | 4.3 |
| 2012 | 23.2°C | 22.2°C | 21.2°C | 26.2°C | 17.1°C | 177 mm | 78% | 5.2 m/s | 3.9 |
| 2011 | 23.5°C | 22.5°C | 21.6°C | 24.8°C | 19.6°C | 200 mm | 73% | 5.5 m/s | 4 |
| 2010 | 24.3°C | 23.4°C | 22.4°C | 27.4°C | 20.6°C | 75 mm | 74% | 5.3 m/s | 4.1 |
| 2009 | 23.9°C | 22.8°C | 21.8°C | 26.3°C | 18.2°C | 229 mm | 75% | 5.8 m/s | 4 |
| 2008 | 22.4°C | 21.4°C | 20.3°C | 25.5°C | 15.3°C | 145 mm | 74% | 6.1 m/s | 4 |
| 2007 | 23.7°C | 22.6°C | 21.5°C | 25.6°C | 19.3°C | 38 mm | 72% | 5.2 m/s | 4.2 |
| 2006 | 23.8°C | 22.5°C | 21.2°C | 27.7°C | 18.5°C | 42 mm | 73% | 4.5 m/s | 4.5 |
| 2005 | 24.1°C | 23.1°C | 22.1°C | 25.8°C | 20.7°C | 86 mm | 73% | 5.1 m/s | 4.5 |
| 2004 | 24.3°C | 23.2°C | 22.1°C | 26.5°C | 18.1°C | 103 mm | 74% | 4.7 m/s | 4.4 |
| 2003 | 23.2°C | 22.2°C | 21.2°C | 25.3°C | 19.5°C | 142 mm | 76% | 6.1 m/s | 3.8 |
| 2002 | 24.2°C | 23.1°C | 22.0°C | 26.4°C | 21.4°C | 73 mm | 72% | 4.8 m/s | 4.2 |
| 2001 | 23.6°C | 22.6°C | 21.6°C | 24.7°C | 19.6°C | 75 mm | 74% | 4.9 m/s | 4.2 |
| 2000 | 23.5°C | 22.6°C | 21.7°C | 26.3°C | 20.2°C | 89 mm | 75% | 5.8 m/s | 3.9 |
| 1999 | 23.0°C | 21.7°C | 20.4°C | 25.4°C | 13.7°C | 167 mm | 75% | 6 m/s | 4.1 |
| 1998 🔥 | 24.8°C | 23.7°C | 22.6°C | 27.1°C | 19.5°C | 157 mm | 75% | 5.3 m/s | 3.8 |
| 1997 | 23.7°C | 22.5°C | 21.3°C | 26.3°C | 19.9°C | 36 mm | 71% | 5 m/s | 4.5 |
| 1996 | 24.2°C | 22.8°C | 21.3°C | 27.6°C | 17.6°C | 62 mm | 70% | 4.4 m/s | 4.3 |
| 1995 | 23.3°C | 22.0°C | 20.6°C | 26.6°C | 16.9°C | 69 mm | 72% | 5 m/s | 4.4 |
| 1994 | 22.4°C | 21.3°C | 20.2°C | 26.0°C | 13.7°C | 49 mm | 74% | 5 m/s | 4.2 |
| 1993 | 22.9°C | 22.0°C | 21.0°C | 26.3°C | 19.4°C | 81 mm | 72% | 5.4 m/s | 4.3 |
| 1992 | 22.7°C | 21.9°C | 21.1°C | 24.7°C | 19.7°C | 143 mm | 77% | 5.4 m/s | 3.8 |
| 1991 | 23.3°C | 22.0°C | 20.7°C | 26.7°C | 17.4°C | 59 mm | 71% | 5.1 m/s | 4.8 |
| 1990 | 23.3°C | 22.3°C | 21.2°C | 24.9°C | 15.2°C | 393 mm | 77% | 4.8 m/s | 3.6 |
| 1989 | 23.6°C | 22.8°C | 22.0°C | 24.9°C | 20.2°C | 476 mm | 79% | 5.9 m/s | 3.5 |
| 1988 🌧️ | 22.9°C | 22.1°C | 21.3°C | 26.2°C | 19.7°C | 572 mm | 81% | 6.2 m/s | 3.3 |
| 1987 | 23.1°C | 22.2°C | 21.2°C | 26.8°C | 20.0°C | 82 mm | 74% | 5.6 m/s | 3.9 |
| 1986 | 24.0°C | 22.7°C | 21.4°C | 27.0°C | 17.8°C | 47 mm | 74% | 4.7 m/s | 4.4 |
| 1985 | 23.1°C | 21.9°C | 20.6°C | 26.3°C | 17.8°C | 183 mm | 74% | 4.9 m/s | 4.1 |
| 1984 ❄️ | 22.2°C | 21.2°C | 20.2°C | 23.9°C | 18.4°C | 237 mm | 75% | 5.4 m/s | 4 |
| 1983 | 23.2°C | 22.1°C | 20.9°C | 26.9°C | 17.9°C | 115 mm | 74% | 4.6 m/s | — |
| 1982 | 23.4°C | 22.3°C | 21.2°C | 26.1°C | 16.5°C | 48 mm | 71% | 4.7 m/s | — |
| 1981 | 23.4°C | 22.2°C | 21.0°C | 26.1°C | 18.6°C | 192 mm | 75% | 4.2 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 23.6°C with lows near 21.4°C (mean 22.5°C), based on 45 years of NASA POWER data.
April averages 125 mm of rainfall in Byron Bay, a relatively wet time of year. The wettest on record was 572 mm in 1988.
The hottest April reached 28.4°C in 2020. The coldest dipped to 13.7°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 0.9°C. Daytime highs moved from 23.1°C to 23.9°C and overnight lows from 20.8°C to 21.7°C over the same span.
April is one of the warmer months of the year in Byron Bay and a relatively wet time of year, so plan for around 23.6°C daytime highs and 21.4°C at night.
Not quite — April is the 8th coolest month in Byron Bay, averaging 22.5°C.
For April in Byron Bay, pack light layers you can adjust through the day, with typical highs of 23.6°C and lows of 21.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 74% — moderately humid.
Average wind speed in April is 5.2 m/s. The windiest April on record averaged 6.2 m/s (1988).
The wettest April on record was 1988 with 572 mm. On average, April sees 125 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Byron Bay behaves each April, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for April specifically, along with year-by-year records and how the month has changed over the decades.
