April is one of the cooler months of the year in Adelaide River, with average highs near 31.1°C and lows around 22°C (mean 26.6°C). It is one of the drier months, averaging 87 mm of rainfall and 81% relative humidity across the period.
April is one of the cooler months of the year in Adelaide River. Across 45 years of records, the warmest April in Adelaide River was 2016 — when the month averaged 30.4°C — while the coldest was 2008 at 24.3°C. Typical April days reach 31.1°C with nights near 22°C. The long-term trend is warming, about 0.3°C per decade.
April is one of the drier months in Adelaide River, averaging 87 mm of rainfall. The wettest April on record was 2006 with 490 mm, while the driest was 1997 at 1 mm.
Relative humidity in Adelaide River during April averages 81%. The most humid April was 2006 at 89%, and the least humid was 2016 at 62%.
April receives about 5.9 kWh/m²/day of solar energy in Adelaide River. The sunniest April was 2008 at 6.6 kWh/m²/day, and the cloudiest was 2006 at 4.8.
Average wind speed in Adelaide River during April is 1.9 m/s. The windiest April was 2024 at 2.6 m/s, while the calmest was 2022 at 1.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.2°C | 26.1°C | 26.4°C | 27.2°C | 27.0°C | +0.8°C |
| Avg High | 30.6°C | 30.6°C | 30.8°C | 32.0°C | 31.4°C | +0.8°C |
| Avg Low | 21.7°C | 21.5°C | 21.8°C | 22.5°C | 22.7°C | +1°C |
| Avg Rain | 88 mm | 89 mm | 99 mm | 75 mm | 86 mm | -2 mm |
April temperatures in Adelaide River have risen by about 0.9°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 12.5°C (1994) to a record high of 38.2°C (2016).
Rainfall in April is one of the drier months, averaging 87 mm, with a wettest year of 490 mm.
A good time to visit Adelaide River
April is a good time to visit Adelaide River, with days averaging 31.1°C and nights around 22°C (mean 26.6°C, cooler than Adelaide River's yearly average) and higher rainfall. June and July are marginally more temperate, but April still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 30.2°C | 26.6°C | 23.0°C | 31.7°C | 17.9°C | 119 mm | 86% | 2.1 m/s | 5.1 |
| 2024 | 30.4°C | 26.2°C | 21.9°C | 31.6°C | 17.8°C | 62 mm | 84% | 2.6 m/s | 6.1 |
| 2023 | 31.0°C | 26.8°C | 22.7°C | 33.1°C | 16.8°C | 101 mm | 83% | 1.9 m/s | 5.5 |
| 2022 | 32.6°C | 28.1°C | 23.6°C | 34.0°C | 20.3°C | 73 mm | 79% | 1.2 m/s | 6 |
| 2021 | 30.7°C | 26.2°C | 21.7°C | 32.9°C | 15.2°C | 56 mm | 80% | 1.7 m/s | 6.1 |
| 2020 | 33.2°C | 28.2°C | 23.3°C | 36.4°C | 20.3°C | 103 mm | 76% | 1.7 m/s | 6 |
| 2019 | 34.6°C | 28.9°C | 23.3°C | 37.1°C | 20.8°C | 35 mm | 69% | 2.2 m/s | 5.7 |
| 2018 | 33.3°C | 28.1°C | 22.9°C | 34.7°C | 19.0°C | 21 mm | 76% | 1.7 m/s | 6.2 |
| 2017 | 32.5°C | 27.6°C | 22.7°C | 36.1°C | 18.9°C | 42 mm | 75% | 2.4 m/s | 5.6 |
| 2016 🔥 | 36.4°C | 30.4°C | 24.4°C | 38.2°C | 22.0°C | 4 mm | 62% | 1.7 m/s | 6.1 |
| 2015 | 31.6°C | 26.4°C | 21.2°C | 32.7°C | 14.8°C | 39 mm | 74% | 1.8 m/s | 6.3 |
| 2014 | 31.3°C | 27.4°C | 23.6°C | 33.0°C | 20.7°C | 112 mm | 83% | 1.5 m/s | 5.6 |
| 2013 | 30.7°C | 26.1°C | 21.5°C | 32.2°C | 17.3°C | 44 mm | 82% | 1.8 m/s | 6.2 |
| 2012 | 30.2°C | 25.6°C | 21.0°C | 31.7°C | 14.2°C | 45 mm | 82% | 2.1 m/s | 6.1 |
| 2011 | 28.4°C | 24.9°C | 21.5°C | 29.7°C | 16.4°C | 254 mm | 89% | 2.4 m/s | 5.4 |
| 2010 | 30.5°C | 26.8°C | 23.2°C | 33.2°C | 20.2°C | 150 mm | 86% | 1.8 m/s | 5.5 |
| 2009 | 32.6°C | 27.4°C | 22.1°C | 34.5°C | 17.0°C | 26 mm | 76% | 1.8 m/s | 6.2 |
| 2008 ❄️ | 30.0°C | 24.3°C | 18.6°C | 31.1°C | 15.7°C | 31 mm | 80% | 2 m/s | 6.6 |
| 2007 | 30.2°C | 25.8°C | 21.4°C | 31.8°C | 18.2°C | 16 mm | 84% | 2.1 m/s | 6.2 |
| 2006 🌧️ | 29.1°C | 25.9°C | 22.7°C | 31.4°C | 17.9°C | 490 mm | 89% | 2.4 m/s | 4.8 |
| 2005 | 31.9°C | 27.1°C | 22.3°C | 33.2°C | 19.8°C | 50 mm | 78% | 1.7 m/s | 6.1 |
| 2004 | 30.7°C | 26.2°C | 21.6°C | 31.6°C | 19.7°C | 14 mm | 83% | 2.1 m/s | 6.4 |
| 2003 | 32.2°C | 27.2°C | 22.1°C | 34.6°C | 17.5°C | 17 mm | 77% | 1.8 m/s | 6.3 |
| 2002 | 31.8°C | 27.0°C | 22.3°C | 35.1°C | 19.4°C | 43 mm | 79% | 1.7 m/s | 6.1 |
| 2001 | 30.1°C | 25.9°C | 21.7°C | 31.3°C | 16.3°C | 75 mm | 86% | 2.5 m/s | 5.7 |
| 2000 | 29.8°C | 26.7°C | 23.5°C | 31.4°C | 21.1°C | 227 mm | 89% | 1.8 m/s | 5.4 |
| 1999 | 29.8°C | 25.9°C | 21.9°C | 31.2°C | 13.0°C | 176 mm | 86% | 2.2 m/s | 5.5 |
| 1998 | 31.2°C | 27.3°C | 23.3°C | 32.9°C | 19.4°C | 74 mm | 84% | 2 m/s | 5.9 |
| 1997 | 31.3°C | 25.7°C | 20.0°C | 33.9°C | 18.5°C | 1 mm | 76% | 2.2 m/s | 6.3 |
| 1996 | 30.2°C | 25.9°C | 21.5°C | 32.9°C | 15.7°C | 151 mm | 83% | 1.8 m/s | 5.8 |
| 1995 | 30.0°C | 25.6°C | 21.2°C | 32.1°C | 15.6°C | 87 mm | 82% | 1.6 m/s | 6 |
| 1994 | 30.0°C | 24.9°C | 19.7°C | 32.6°C | 12.5°C | 47 mm | 81% | 2.3 m/s | 6.3 |
| 1993 | 31.4°C | 26.6°C | 21.8°C | 33.8°C | 19.5°C | 20 mm | 79% | 2.2 m/s | 6.3 |
| 1992 | 30.1°C | 26.1°C | 22.1°C | 32.1°C | 18.0°C | 105 mm | 84% | 2 m/s | 5.4 |
| 1991 | 30.0°C | 25.9°C | 21.8°C | 31.7°C | 16.5°C | 131 mm | 84% | 2 m/s | 6.1 |
| 1990 | 32.0°C | 27.0°C | 22.1°C | 33.1°C | 15.2°C | 98 mm | 75% | 1.3 m/s | 6.3 |
| 1989 | 30.5°C | 26.8°C | 23.0°C | 32.5°C | 20.6°C | 132 mm | 85% | 1.9 m/s | 5.8 |
| 1988 | 31.3°C | 26.6°C | 22.0°C | 33.0°C | 17.5°C | 41 mm | 79% | 1.5 m/s | 6.1 |
| 1987 | 32.0°C | 26.8°C | 21.5°C | 35.6°C | 16.9°C | 44 mm | 77% | 2.2 m/s | 6.1 |
| 1986 | 30.3°C | 26.0°C | 21.6°C | 32.3°C | 15.6°C | 148 mm | 82% | 1.8 m/s | 6.2 |
| 1985 | 30.1°C | 25.5°C | 20.9°C | 32.9°C | 14.3°C | 223 mm | 83% | 2.5 m/s | 6 |
| 1984 | 29.8°C | 25.6°C | 21.4°C | 31.2°C | 14.9°C | 30 mm | 85% | 2.2 m/s | 6.1 |
| 1983 | 29.7°C | 26.3°C | 22.9°C | 31.8°C | 18.5°C | 132 mm | 87% | 1.9 m/s | — |
| 1982 | 30.5°C | 25.7°C | 20.9°C | 31.6°C | 17.7°C | 10 mm | 80% | 2.1 m/s | — |
| 1981 | 31.2°C | 26.4°C | 21.5°C | 32.4°C | 18.4°C | 30 mm | 78% | 1.5 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 31.1°C with lows near 22°C (mean 26.6°C), based on 45 years of NASA POWER data.
April averages 87 mm of rainfall in Adelaide River, one of the drier months. The wettest on record was 490 mm in 2006.
The hottest April reached 38.2°C in 2016. The coldest dipped to 12.5°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 30.3°C to 31°C and overnight lows from 21.5°C to 22.6°C over the same span.
April is one of the cooler months of the year in Adelaide River and one of the drier months, so plan for around 31.1°C daytime highs and 22°C at night.
Not quite — April is the 4th coolest month in Adelaide River, averaging 26.6°C.
For April in Adelaide River, pack light, breathable clothing and sun protection, with typical highs of 31.1°C and lows of 22°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 81% — quite humid.
Average wind speed in April is 1.9 m/s. The windiest April on record averaged 2.6 m/s (2024).
The wettest April on record was 2006 with 490 mm. On average, April sees 87 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 Adelaide River 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.
