April is one of the warmer months of the year in Waitakere, with average highs near 18.9°C and lows around 16.3°C (mean 17.6°C). It is about average for rainfall, averaging 95 mm of rainfall and 78% relative humidity across the period.
April is one of the warmer months of the year in Waitakere. Across 45 years of records, the warmest April in Waitakere was 2025 — when the month averaged 19.1°C — while the coldest was 1992 at 15°C. Typical April days reach 18.9°C with nights near 16.3°C. The long-term trend is warming, about 0.3°C per decade.
April is about average for rainfall in Waitakere, averaging 95 mm of rainfall. The wettest April on record was 1991 with 176 mm, while the driest was 2005 at 30 mm.
Relative humidity in Waitakere during April averages 78%. The most humid April was 2025 at 82%, and the least humid was 2005 at 74%.
April receives about 3.4 kWh/m²/day of solar energy in Waitakere. The sunniest April was 2005 at 3.9 kWh/m²/day, and the cloudiest were 1999, 2008 and 2025, among others at 3.
Average wind speed in Waitakere during April is 5.3 m/s. The windiest Aprils were 1991 and 2025 at 6.5 m/s, while the calmest was 2007 at 4.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.1°C | 17.2°C | 17.6°C | 18.0°C | 18.2°C | +1.1°C |
| Avg High | 18.5°C | 18.5°C | 18.8°C | 19.3°C | 19.5°C | +1°C |
| Avg Low | 15.7°C | 15.9°C | 16.3°C | 16.8°C | 17.0°C | +1.3°C |
| Avg Rain | 102 mm | 100 mm | 80 mm | 100 mm | 92 mm | -9 mm |
April temperatures in Waitakere have risen by about 1.4°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 11°C (1992) to a record high of 23.2°C (1999).
Rainfall in April is about average for rainfall, averaging 95 mm, with a wettest year of 176 mm.
A good time to visit Waitakere
April is a good time to visit Waitakere, with days averaging 18.9°C and nights around 16.3°C (mean 17.6°C, warmer than Waitakere's yearly average) and higher rainfall. February and January 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 🔥 | 20.4°C | 19.1°C | 17.8°C | 22.6°C | 15.3°C | 169 mm | 82% | 6.5 m/s | 3 |
| 2024 | 18.9°C | 17.7°C | 16.4°C | 21.3°C | 14.6°C | 82 mm | 80% | 5.1 m/s | 3.4 |
| 2023 | 19.5°C | 18.2°C | 17.0°C | 21.5°C | 14.5°C | 112 mm | 82% | 6.4 m/s | 3.1 |
| 2022 | 20.0°C | 18.8°C | 17.5°C | 22.2°C | 15.1°C | 64 mm | 77% | 5.1 m/s | 3.6 |
| 2021 | 19.1°C | 18.0°C | 16.9°C | 21.0°C | 14.6°C | 75 mm | 78% | 5.2 m/s | 3.5 |
| 2020 | 18.9°C | 17.6°C | 16.2°C | 21.0°C | 14.8°C | 53 mm | 76% | 5.1 m/s | 3.6 |
| 2019 | 18.7°C | 17.5°C | 16.2°C | 22.2°C | 14.1°C | 111 mm | 75% | 5 m/s | 3.7 |
| 2018 | 19.3°C | 18.1°C | 16.8°C | 21.7°C | 12.6°C | 103 mm | 78% | 6 m/s | 3.3 |
| 2017 | 19.8°C | 18.5°C | 17.2°C | 23.2°C | 14.8°C | 150 mm | 82% | 4.9 m/s | 3.4 |
| 2016 | 19.7°C | 18.5°C | 17.4°C | 22.5°C | 15.9°C | 71 mm | 75% | 4.5 m/s | 3.3 |
| 2015 | 19.5°C | 18.2°C | 16.9°C | 22.3°C | 13.4°C | 122 mm | 77% | 5.7 m/s | 3.5 |
| 2014 | 19.7°C | 18.5°C | 17.3°C | 22.0°C | 14.5°C | 110 mm | 79% | 5 m/s | 3.5 |
| 2013 | 19.6°C | 18.4°C | 17.3°C | 21.9°C | 15.4°C | 120 mm | 78% | 5.2 m/s | 3.4 |
| 2012 | 19.0°C | 17.5°C | 15.9°C | 21.5°C | 13.0°C | 33 mm | 76% | 5.1 m/s | 3.4 |
| 2011 | 18.8°C | 17.5°C | 16.2°C | 20.9°C | 13.5°C | 137 mm | 77% | 5.2 m/s | 3.4 |
| 2010 | 19.2°C | 17.8°C | 16.4°C | 21.4°C | 13.8°C | 46 mm | 74% | 4.6 m/s | 3.5 |
| 2009 | 18.9°C | 17.4°C | 15.9°C | 20.7°C | 13.2°C | 61 mm | 75% | 5.7 m/s | 3.2 |
| 2008 | 19.4°C | 18.2°C | 16.9°C | 21.2°C | 11.8°C | 127 mm | 76% | 5.4 m/s | 3 |
| 2007 | 18.4°C | 17.2°C | 16.0°C | 20.7°C | 13.6°C | 61 mm | 76% | 4.4 m/s | 3.6 |
| 2006 | 19.5°C | 18.4°C | 17.2°C | 21.4°C | 15.3°C | 149 mm | 81% | 5.7 m/s | 3.4 |
| 2005 | 19.1°C | 17.7°C | 16.2°C | 22.1°C | 11.7°C | 30 mm | 74% | 5.4 m/s | 3.9 |
| 2004 | 17.5°C | 16.2°C | 14.9°C | 19.1°C | 12.6°C | 64 mm | 81% | 4.9 m/s | 3.4 |
| 2003 | 18.9°C | 17.7°C | 16.4°C | 21.7°C | 13.3°C | 68 mm | 78% | 4.8 m/s | 3.4 |
| 2002 | 18.7°C | 17.5°C | 16.2°C | 21.3°C | 13.5°C | 57 mm | 75% | 5 m/s | 3.4 |
| 2001 | 19.2°C | 17.8°C | 16.5°C | 21.4°C | 13.6°C | 84 mm | 76% | 5.6 m/s | 3.1 |
| 2000 | 18.8°C | 17.6°C | 16.4°C | 21.7°C | 13.8°C | 103 mm | 79% | 5.1 m/s | 3.2 |
| 1999 | 19.4°C | 18.1°C | 16.7°C | 23.2°C | 14.3°C | 97 mm | 77% | 5.8 m/s | 3 |
| 1998 | 19.8°C | 18.4°C | 16.9°C | 22.9°C | 15.0°C | 47 mm | 80% | 5.1 m/s | 3 |
| 1997 | 17.8°C | 16.6°C | 15.4°C | 21.5°C | 13.4°C | 78 mm | 76% | 5.9 m/s | 3.3 |
| 1996 | 19.0°C | 17.8°C | 16.7°C | 21.5°C | 14.3°C | 142 mm | 82% | 5.5 m/s | 3.1 |
| 1995 | 20.1°C | 18.9°C | 17.7°C | 22.8°C | 13.0°C | 169 mm | 82% | 5.2 m/s | 3.4 |
| 1994 | 18.4°C | 17.0°C | 15.6°C | 21.0°C | 11.6°C | 35 mm | 78% | 5.3 m/s | 3.4 |
| 1993 | 17.3°C | 16.0°C | 14.7°C | 20.2°C | 12.0°C | 83 mm | 79% | 5.5 m/s | 3.3 |
| 1992 ❄️ | 16.3°C | 15.0°C | 13.7°C | 18.6°C | 11.0°C | 84 mm | 77% | 4.9 m/s | 3.2 |
| 1991 🌧️ | 17.5°C | 16.2°C | 15.0°C | 21.6°C | 12.1°C | 176 mm | 78% | 6.5 m/s | 3.3 |
| 1990 | 19.4°C | 18.1°C | 16.8°C | 21.1°C | 12.3°C | 90 mm | 79% | 5.7 m/s | 3.4 |
| 1989 | 18.9°C | 17.7°C | 16.5°C | 20.7°C | 14.2°C | 80 mm | 75% | 5.3 m/s | 3.4 |
| 1988 | 18.2°C | 16.6°C | 15.0°C | 19.4°C | 11.5°C | 36 mm | 78% | 5.2 m/s | 3.5 |
| 1987 | 18.2°C | 16.8°C | 15.4°C | 20.5°C | 13.0°C | 145 mm | 81% | 6.2 m/s | 3.2 |
| 1986 | 19.0°C | 17.6°C | 16.2°C | 21.0°C | 13.8°C | 97 mm | 78% | 5.4 m/s | 3.6 |
| 1985 | 18.3°C | 16.9°C | 15.4°C | 20.0°C | 12.6°C | 117 mm | 78% | 5.9 m/s | 3.3 |
| 1984 | 18.0°C | 16.7°C | 15.3°C | 20.1°C | 12.2°C | 60 mm | 78% | 4.8 m/s | 3.6 |
| 1983 | 18.5°C | 16.9°C | 15.3°C | 21.0°C | 11.7°C | 173 mm | 81% | 5.5 m/s | — |
| 1982 | 17.8°C | 16.3°C | 14.9°C | 20.3°C | 12.5°C | 77 mm | 74% | 4.8 m/s | — |
| 1981 | 19.8°C | 18.4°C | 17.1°C | 22.1°C | 15.7°C | 129 mm | 78% | 5.1 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 18.9°C with lows near 16.3°C (mean 17.6°C), based on 45 years of NASA POWER data.
April averages 95 mm of rainfall in Waitakere, about average for rainfall. The wettest on record was 176 mm in 1991.
The hottest April reached 23.2°C in 1999. The coldest dipped to 11°C in 1992.
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 18.5°C to 19.6°C and overnight lows from 15.6°C to 17.1°C over the same span.
April is one of the warmer months of the year in Waitakere and about average for rainfall, so plan for around 18.9°C daytime highs and 16.3°C at night.
Not quite — April is the 8th coolest month in Waitakere, averaging 17.6°C.
For April in Waitakere, pack light layers you can adjust through the day, with typical highs of 18.9°C and lows of 16.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 78% — quite humid.
Average wind speed in April is 5.3 m/s. The windiest April on record averaged 6.5 m/s (1991).
The wettest April on record was 1991 with 176 mm. On average, April sees 95 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 Waitakere 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.
