April is one of the warmer months of the year in Yanchep, with average highs near 25.5°C and lows around 16.7°C (mean 21.1°C). It is one of the drier months, averaging 27 mm of rainfall and 63% relative humidity across the period.
April is one of the warmer months of the year in Yanchep. Across 45 years of records, the warmest April in Yanchep was 2013 — when the month averaged 23.2°C — while the coldest was 2006 at 18.9°C. Typical April days reach 25.5°C with nights near 16.7°C. The long-term April temperature trend is broadly flat.
April is one of the drier months in Yanchep, averaging 27 mm of rainfall. The wettest April on record was 2016 with 77 mm, while the driest was 2017 at 1 mm.
Relative humidity in Yanchep during April averages 63%. The most humid April was 2016 at 71%, and the least humid was 2024 at 50%.
April receives about 4.4 kWh/m²/day of solar energy in Yanchep. The sunniest April was 2017 at 5 kWh/m²/day, and the cloudiest were 1997, 2013 and 2016 at 4.
Average wind speed in Yanchep during April is 4 m/s. The windiest April was 1989 at 4.8 m/s, while the calmest was 2013 at 3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.9°C | 21.3°C | 20.7°C | 21.3°C | 21.5°C | +0.6°C |
| Avg High | 25.4°C | 25.6°C | 25.0°C | 25.6°C | 26.0°C | +0.6°C |
| Avg Low | 16.4°C | 16.9°C | 16.4°C | 16.9°C | 17.1°C | +0.7°C |
| Avg Rain | 28 mm | 23 mm | 34 mm | 26 mm | 20 mm | -8 mm |
April temperatures in Yanchep have risen by about 0.5°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 10.2°C (1984) to a record high of 35.1°C (2020).
Rainfall in April is one of the drier months, averaging 27 mm, with a wettest year of 77 mm.
One of the best times to visit Yanchep
April is one of the best times to visit Yanchep. Expect days averaging 25.5°C and nights around 16.7°C (mean 21.1°C) — warmer than Yanchep's yearly average — with low rainfall (27 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 | 26.7°C | 22.2°C | 17.8°C | 32.9°C | 13.4°C | 4 mm | 61% | 4.4 m/s | 4.7 |
| 2024 | 27.7°C | 22.4°C | 17.2°C | 34.7°C | 14.5°C | 11 mm | 50% | 4.5 m/s | 4.9 |
| 2023 | 23.6°C | 19.6°C | 15.7°C | 29.5°C | 10.6°C | 38 mm | 65% | 4.2 m/s | 4.5 |
| 2022 | 25.2°C | 20.9°C | 16.6°C | 31.0°C | 13.3°C | 33 mm | 63% | 4.1 m/s | 4.5 |
| 2021 | 26.8°C | 22.0°C | 17.3°C | 33.2°C | 13.8°C | 32 mm | 64% | 3.7 m/s | 4.4 |
| 2020 | 25.8°C | 21.8°C | 17.9°C | 35.1°C | 12.1°C | 4 mm | 63% | 3.7 m/s | 4.3 |
| 2019 | 25.4°C | 20.7°C | 16.0°C | 34.5°C | 12.1°C | 22 mm | 61% | 4.2 m/s | 4.8 |
| 2018 | 25.1°C | 21.0°C | 17.0°C | 31.9°C | 13.5°C | 10 mm | 66% | 3.7 m/s | 4.6 |
| 2017 | 26.2°C | 20.8°C | 15.5°C | 31.2°C | 11.5°C | 1 mm | 62% | 3.8 m/s | 5 |
| 2016 🌧️ | 24.4°C | 20.7°C | 16.9°C | 32.7°C | 13.0°C | 77 mm | 71% | 3.9 m/s | 4 |
| 2015 | 25.1°C | 20.4°C | 15.7°C | 29.1°C | 11.0°C | 34 mm | 63% | 4.5 m/s | 4.2 |
| 2014 | 25.7°C | 21.4°C | 17.1°C | 33.9°C | 13.6°C | 34 mm | 62% | 3.6 m/s | 4.5 |
| 2013 🔥 | 27.4°C | 23.2°C | 19.1°C | 34.0°C | 15.2°C | 13 mm | 65% | 3 m/s | 4 |
| 2012 | 25.4°C | 21.4°C | 17.5°C | 32.7°C | 12.9°C | 38 mm | 63% | 3.9 m/s | 4.2 |
| 2011 | 27.0°C | 22.4°C | 17.9°C | 33.1°C | 14.2°C | 16 mm | 57% | 4.4 m/s | 4.8 |
| 2010 | 24.6°C | 20.5°C | 16.4°C | 31.4°C | 12.0°C | 19 mm | 67% | 4 m/s | 4.5 |
| 2009 | 27.1°C | 21.9°C | 16.8°C | 32.7°C | 13.5°C | 18 mm | 58% | 4.1 m/s | 4.6 |
| 2008 | 23.9°C | 20.1°C | 16.4°C | 30.7°C | 12.9°C | 64 mm | 66% | 4.1 m/s | 4.3 |
| 2007 | 24.1°C | 20.0°C | 15.9°C | 32.2°C | 11.6°C | 53 mm | 67% | 3.9 m/s | 4.5 |
| 2006 ❄️ | 22.9°C | 18.9°C | 14.8°C | 28.3°C | 11.2°C | 22 mm | 67% | 4.3 m/s | 4.4 |
| 2005 | 24.6°C | 20.3°C | 16.0°C | 33.2°C | 12.0°C | 31 mm | 67% | 4.1 m/s | 4.5 |
| 2004 | 26.0°C | 21.4°C | 16.9°C | 32.3°C | 13.6°C | 8 mm | 62% | 3.6 m/s | 4.4 |
| 2003 | 25.4°C | 21.1°C | 16.9°C | 31.9°C | 12.6°C | 44 mm | 67% | 4 m/s | 4.3 |
| 2002 | 24.5°C | 20.5°C | 16.5°C | 29.7°C | 13.3°C | 59 mm | 67% | 4.2 m/s | 4.4 |
| 2001 | 26.4°C | 21.9°C | 17.3°C | 33.5°C | 13.0°C | 4 mm | 61% | 3.7 m/s | 4.5 |
| 2000 | 25.2°C | 20.9°C | 16.6°C | 30.5°C | 12.6°C | 34 mm | 60% | 4.4 m/s | 4.5 |
| 1999 | 27.7°C | 22.7°C | 17.7°C | 32.6°C | 13.8°C | 17 mm | 61% | 4 m/s | 4.6 |
| 1998 | 25.7°C | 21.4°C | 17.0°C | 33.7°C | 13.0°C | 14 mm | 61% | 4 m/s | 4.3 |
| 1997 | 25.8°C | 21.8°C | 17.7°C | 31.7°C | 13.1°C | 44 mm | 68% | 3.8 m/s | 4 |
| 1996 | 25.8°C | 21.5°C | 17.1°C | 32.5°C | 13.4°C | 16 mm | 59% | 4.1 m/s | 4.3 |
| 1995 | 25.4°C | 21.0°C | 16.6°C | 30.9°C | 12.9°C | 15 mm | 61% | 4.2 m/s | 4.5 |
| 1994 | 26.6°C | 22.0°C | 17.4°C | 32.3°C | 13.8°C | 3 mm | 62% | 3.9 m/s | 4.8 |
| 1993 | 23.7°C | 19.7°C | 15.7°C | 30.1°C | 11.5°C | 11 mm | 70% | 3.6 m/s | 4.4 |
| 1992 | 24.8°C | 20.8°C | 16.9°C | 29.9°C | 12.8°C | 24 mm | 69% | 4.2 m/s | 4.4 |
| 1991 | 26.5°C | 21.7°C | 17.0°C | 33.9°C | 13.1°C | 34 mm | 59% | 4.4 m/s | 4.5 |
| 1990 | 23.8°C | 20.0°C | 16.2°C | 31.8°C | 12.2°C | 54 mm | 64% | 4.6 m/s | 4.3 |
| 1989 | 25.6°C | 21.2°C | 16.8°C | 32.4°C | 11.5°C | 31 mm | 64% | 4.8 m/s | 4.1 |
| 1988 | 26.0°C | 21.7°C | 17.3°C | 32.8°C | 13.3°C | 44 mm | 63% | 4 m/s | 4.2 |
| 1987 | 25.1°C | 21.0°C | 16.9°C | 32.3°C | 12.3°C | 66 mm | 65% | 3.9 m/s | 4.2 |
| 1986 | 24.7°C | 19.6°C | 14.6°C | 33.3°C | 12.1°C | 5 mm | 58% | 4.3 m/s | 4.8 |
| 1985 | 25.1°C | 20.6°C | 16.1°C | 29.6°C | 11.3°C | 29 mm | 60% | 4.2 m/s | 4.7 |
| 1984 | 25.8°C | 21.1°C | 16.4°C | 33.7°C | 10.2°C | 47 mm | 60% | 4.1 m/s | 4.3 |
| 1983 | 24.9°C | 20.5°C | 16.1°C | 29.7°C | 10.9°C | 13 mm | 59% | 4.1 m/s | — |
| 1982 | 25.1°C | 20.1°C | 15.0°C | 32.6°C | 10.8°C | 1 mm | 60% | 4.1 m/s | — |
| 1981 | 26.7°C | 22.3°C | 18.0°C | 32.3°C | 14.7°C | 16 mm | 66% | 3.4 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 25.5°C with lows near 16.7°C (mean 21.1°C), based on 45 years of NASA POWER data.
April averages 27 mm of rainfall in Yanchep, one of the drier months. The wettest on record was 77 mm in 2016.
The hottest April reached 35.1°C in 2020. The coldest dipped to 10.2°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 0.5°C. Daytime highs moved from 25.5°C to 26°C and overnight lows from 16.3°C to 16.9°C over the same span.
April is one of the warmer months of the year in Yanchep and one of the drier months, so plan for around 25.5°C daytime highs and 16.7°C at night.
Not quite — April is the 8th coolest month in Yanchep, averaging 21.1°C.
For April in Yanchep, pack light layers you can adjust through the day, with typical highs of 25.5°C and lows of 16.7°C.
Relative humidity in April averages 63% — moderately humid.
Average wind speed in April is 4 m/s. The windiest April on record averaged 4.8 m/s (1989).
The wettest April on record was 2016 with 77 mm. On average, April sees 27 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 Yanchep 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.
