April is close to Atherton's year-round average, with average highs near 24.6°C and lows around 18.6°C (mean 21.6°C). It is a relatively wet time of year, averaging 222 mm of rainfall and 89% relative humidity across the period.
April is close to Atherton's year-round average. Across 45 years of records, the warmest April in Atherton was 2023 — when the month averaged 23.7°C — while the coldest was 1997 at 19.6°C. Typical April days reach 24.6°C with nights near 18.6°C. The long-term trend is warming, about 0.4°C per decade.
April is a relatively wet time of year in Atherton, averaging 222 mm of rainfall. The wettest April on record was 2006 with 546 mm, while the driest was 2018 at 17 mm.
Relative humidity in Atherton during April averages 89%. The most humid April was 2006 at 93%, and the least humid was 2015 at 79%.
April receives about 4.7 kWh/m²/day of solar energy in Atherton. The sunniest Aprils were 1995 and 2008 at 5.4 kWh/m²/day, and the cloudiest was 2006 at 3.5.
Average wind speed in Atherton during April is 1.2 m/s. The windiest April was 1993 at 1.5 m/s, while the calmest was 1990 at 0.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.4°C | 21.1°C | 21.3°C | 21.9°C | 22.9°C | +1.5°C |
| Avg High | 24.2°C | 24.0°C | 24.2°C | 25.0°C | 26.2°C | +2°C |
| Avg Low | 18.5°C | 18.2°C | 18.4°C | 18.7°C | 19.7°C | +1.2°C |
| Avg Rain | 275 mm | 225 mm | 282 mm | 156 mm | 151 mm | -123 mm |
April temperatures in Atherton have risen by about 1.4°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 10°C (1994) to a record high of 31.6°C (2020).
Rainfall in April is a relatively wet time of year, averaging 222 mm, with a wettest year of 546 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.5°C per decade while lows rose 0.3°C per decade, widening the gap between day and night.
A good time to visit Atherton
April is a good time to visit Atherton, with days averaging 24.6°C and nights around 18.6°C (mean 21.6°C, close to Atherton's yearly average) and higher rainfall. October and September 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 | 25.3°C | 22.5°C | 19.7°C | 28.0°C | 17.1°C | 42 mm | 89% | 1.1 m/s | 4.6 |
| 2024 | 25.2°C | 22.4°C | 19.5°C | 28.2°C | 15.8°C | 155 mm | 90% | 1.2 m/s | 4.6 |
| 2023 🔥 | 27.2°C | 23.7°C | 20.3°C | 30.1°C | 17.8°C | 74 mm | 84% | 1 m/s | 4.8 |
| 2022 | 26.4°C | 23.2°C | 20.0°C | 29.4°C | 17.6°C | 262 mm | 86% | 1.2 m/s | 4.3 |
| 2021 | 25.1°C | 22.2°C | 19.2°C | 28.4°C | 16.8°C | 326 mm | 89% | 1.1 m/s | 4.3 |
| 2020 | 27.8°C | 23.5°C | 19.2°C | 31.6°C | 17.3°C | 48 mm | 80% | 1.1 m/s | 5.3 |
| 2019 | 24.7°C | 21.8°C | 18.9°C | 26.8°C | 17.3°C | 94 mm | 88% | 1.3 m/s | 4.5 |
| 2018 | 24.9°C | 21.7°C | 18.6°C | 26.5°C | 14.7°C | 17 mm | 87% | 1.2 m/s | 5.1 |
| 2017 | 26.5°C | 22.5°C | 18.5°C | 30.1°C | 13.5°C | 73 mm | 80% | 1.4 m/s | 4.8 |
| 2016 | 25.3°C | 22.4°C | 19.4°C | 26.7°C | 18.7°C | 128 mm | 88% | 1.3 m/s | 5 |
| 2015 | 27.0°C | 22.7°C | 18.3°C | 29.9°C | 12.1°C | 54 mm | 79% | 1 m/s | 5.2 |
| 2014 | 24.7°C | 22.0°C | 19.4°C | 27.1°C | 17.0°C | 322 mm | 91% | 1.2 m/s | 4.4 |
| 2013 | 24.8°C | 21.5°C | 18.2°C | 27.3°C | 15.6°C | 224 mm | 89% | 1.1 m/s | 4.7 |
| 2012 | 24.1°C | 21.0°C | 17.9°C | 25.9°C | 15.9°C | 139 mm | 89% | 1.1 m/s | 4.8 |
| 2011 | 23.8°C | 21.1°C | 18.3°C | 25.5°C | 15.5°C | 205 mm | 91% | 1.3 m/s | 4.5 |
| 2010 | 24.5°C | 22.0°C | 19.5°C | 26.5°C | 17.5°C | 303 mm | 92% | 1.2 m/s | 4 |
| 2009 | 24.9°C | 21.7°C | 18.4°C | 27.1°C | 14.8°C | 200 mm | 88% | 1 m/s | 5.3 |
| 2008 | 23.1°C | 19.7°C | 16.3°C | 25.3°C | 13.9°C | 53 mm | 88% | 1.1 m/s | 5.4 |
| 2007 | 23.4°C | 20.4°C | 17.5°C | 27.0°C | 16.1°C | 139 mm | 89% | 1.3 m/s | 5.1 |
| 2006 🌧️ | 24.6°C | 22.4°C | 20.1°C | 27.6°C | 16.7°C | 546 mm | 93% | 1.2 m/s | 3.5 |
| 2005 | 23.8°C | 21.0°C | 18.2°C | 26.1°C | 16.6°C | 299 mm | 90% | 1.4 m/s | 4.7 |
| 2004 | 23.6°C | 21.0°C | 18.3°C | 25.4°C | 15.0°C | 348 mm | 91% | 1.4 m/s | 4.1 |
| 2003 | 25.4°C | 21.9°C | 18.5°C | 27.9°C | 16.6°C | 254 mm | 86% | 1.1 m/s | 5 |
| 2002 | 24.3°C | 21.1°C | 18.0°C | 25.8°C | 16.0°C | 221 mm | 88% | 1.3 m/s | 4.7 |
| 2001 | 24.0°C | 21.4°C | 18.8°C | 26.4°C | 16.9°C | 224 mm | 91% | 1.3 m/s | 4.4 |
| 2000 | 24.4°C | 22.0°C | 19.6°C | 25.9°C | 17.5°C | 539 mm | 93% | 1.3 m/s | 4.2 |
| 1999 | 24.1°C | 21.6°C | 19.2°C | 27.3°C | 15.7°C | 385 mm | 92% | 1.4 m/s | 4 |
| 1998 | 25.3°C | 22.6°C | 19.8°C | 27.3°C | 17.7°C | 179 mm | 91% | 1.1 m/s | 4.9 |
| 1997 ❄️ | 22.6°C | 19.6°C | 16.5°C | 25.2°C | 15.2°C | 194 mm | 89% | 1.3 m/s | 4.9 |
| 1996 | 25.6°C | 22.6°C | 19.6°C | 28.0°C | 17.1°C | 208 mm | 90% | 1 m/s | 4.9 |
| 1995 | 24.4°C | 21.2°C | 18.1°C | 27.3°C | 14.4°C | 71 mm | 88% | 1.1 m/s | 5.4 |
| 1994 | 23.0°C | 20.0°C | 17.0°C | 25.3°C | 10.0°C | 266 mm | 89% | 1.3 m/s | 4.7 |
| 1993 | 23.1°C | 20.1°C | 17.1°C | 25.0°C | 15.4°C | 190 mm | 87% | 1.5 m/s | 4.7 |
| 1992 | 23.7°C | 20.9°C | 18.0°C | 25.3°C | 15.5°C | 233 mm | 90% | 1.2 m/s | 4.6 |
| 1991 | 23.5°C | 20.6°C | 17.8°C | 25.9°C | 15.3°C | 193 mm | 90% | 1.2 m/s | 4.5 |
| 1990 | 24.6°C | 21.5°C | 18.4°C | 26.6°C | 12.0°C | 331 mm | 90% | 0.9 m/s | 4.8 |
| 1989 | 24.2°C | 21.4°C | 18.5°C | 26.6°C | 12.8°C | 461 mm | 91% | 1.2 m/s | 4.3 |
| 1988 | 25.2°C | 22.1°C | 19.1°C | 28.6°C | 16.1°C | 216 mm | 89% | 1 m/s | 4.6 |
| 1987 | 23.6°C | 20.7°C | 17.9°C | 25.3°C | 15.5°C | 334 mm | 90% | 1.3 m/s | 4.4 |
| 1986 | 23.7°C | 21.1°C | 18.5°C | 25.4°C | 17.1°C | 293 mm | 92% | 1.3 m/s | 4.6 |
| 1985 | 24.6°C | 21.8°C | 18.9°C | 27.4°C | 16.5°C | 203 mm | 90% | 1 m/s | 4.9 |
| 1984 | 23.8°C | 20.9°C | 18.0°C | 26.6°C | 14.1°C | 126 mm | 89% | 1.2 m/s | 4.8 |
| 1983 | 25.0°C | 22.2°C | 19.3°C | 28.3°C | 17.1°C | 209 mm | 91% | 1 m/s | — |
| 1982 | 23.4°C | 20.8°C | 18.2°C | 26.0°C | 15.1°C | 493 mm | 91% | 1.3 m/s | — |
| 1981 | 24.6°C | 21.3°C | 18.0°C | 27.5°C | 13.9°C | 138 mm | 89% | 1 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 24.6°C with lows near 18.6°C (mean 21.6°C), based on 45 years of NASA POWER data.
April averages 222 mm of rainfall in Atherton, a relatively wet time of year. The wettest on record was 546 mm in 2006.
The hottest April reached 31.6°C in 2020. The coldest dipped to 10°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.4°C. Daytime highs moved from 24.3°C to 25.8°C and overnight lows from 18.5°C to 19.7°C over the same span.
April is close to Atherton's year-round average and a relatively wet time of year, so plan for around 24.6°C daytime highs and 18.6°C at night.
Not quite — April is the 6th coolest month in Atherton, averaging 21.6°C.
For April in Atherton, pack light layers you can adjust through the day, with typical highs of 24.6°C and lows of 18.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 89% — quite humid.
Average wind speed in April is 1.2 m/s. The windiest April on record averaged 1.5 m/s (1993).
The wettest April on record was 2006 with 546 mm. On average, April sees 222 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 Atherton 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.
