April is one of the cooler months of the year in Palmerston, with average highs near 30.6°C and lows around 23.2°C (mean 26.9°C). It is one of the drier months, averaging 103 mm of rainfall and 82% relative humidity across the period.
April is one of the cooler months of the year in Palmerston. Across 45 years of records, the warmest April in Palmerston was 2016 — when the month averaged 29.8°C — while the coldest was 2008 at 25°C. Typical April days reach 30.6°C with nights near 23.2°C. The long-term trend is warming, about 0.2°C per decade.
April is one of the drier months in Palmerston, averaging 103 mm of rainfall. The wettest April on record was 2006 with 499 mm, while the driest was 1997 at 5 mm.
Relative humidity in Palmerston during April averages 82%. The most humid Aprils were 2000, 2006 and 2011 at 88%, and the least humid was 2016 at 70%.
April receives about 5.7 kWh/m²/day of solar energy in Palmerston. The sunniest April was 2004 at 6.4 kWh/m²/day, and the cloudiest was 2000 at 4.8.
Average wind speed in Palmerston during April is 2.2 m/s. The windiest April was 2024 at 2.9 m/s, while the calmest were 1990 and 2022 at 1.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.6°C | 26.6°C | 26.8°C | 27.3°C | 27.4°C | +0.8°C |
| Avg High | 30.3°C | 30.4°C | 30.5°C | 31.0°C | 30.9°C | +0.6°C |
| Avg Low | 22.9°C | 22.9°C | 23.0°C | 23.6°C | 23.9°C | +1°C |
| Avg Rain | 104 mm | 104 mm | 112 mm | 94 mm | 101 mm | -3 mm |
April temperatures in Palmerston have risen by about 0.9°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 14.3°C (1994) to a record high of 36.7°C (2016).
Rainfall in April is one of the drier months, averaging 103 mm, with a wettest year of 499 mm.
A good time to visit Palmerston
April is a good time to visit Palmerston, with days averaging 30.6°C and nights around 23.2°C (mean 26.9°C, cooler than Palmerston'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 | 30.1°C | 27.1°C | 24.0°C | 32.0°C | 19.7°C | 147 mm | 86% | 2.4 m/s | 5.1 |
| 2024 | 30.4°C | 26.7°C | 22.9°C | 31.6°C | 19.2°C | 81 mm | 85% | 2.9 m/s | 5.9 |
| 2023 | 30.6°C | 27.2°C | 23.9°C | 32.2°C | 17.8°C | 110 mm | 84% | 2.2 m/s | 5.2 |
| 2022 | 32.1°C | 28.6°C | 25.0°C | 33.2°C | 22.0°C | 81 mm | 79% | 1.5 m/s | 5.7 |
| 2021 | 30.5°C | 26.7°C | 22.9°C | 32.8°C | 16.8°C | 94 mm | 81% | 1.9 m/s | 5.6 |
| 2020 | 31.9°C | 28.2°C | 24.5°C | 34.7°C | 22.7°C | 94 mm | 80% | 2 m/s | 5.7 |
| 2019 | 32.2°C | 28.0°C | 23.8°C | 35.1°C | 21.8°C | 60 mm | 77% | 2.3 m/s | 5.4 |
| 2018 | 31.5°C | 27.7°C | 23.9°C | 33.5°C | 19.8°C | 28 mm | 80% | 1.9 m/s | 6.1 |
| 2017 | 29.9°C | 26.5°C | 23.2°C | 32.3°C | 19.8°C | 119 mm | 86% | 2.5 m/s | 5.1 |
| 2016 🔥 | 34.4°C | 29.8°C | 25.2°C | 36.7°C | 22.8°C | 10 mm | 70% | 1.8 m/s | 5.9 |
| 2015 | 31.1°C | 27.0°C | 22.8°C | 32.4°C | 16.7°C | 47 mm | 76% | 2 m/s | 5.9 |
| 2014 | 31.0°C | 27.9°C | 24.8°C | 32.1°C | 23.3°C | 153 mm | 82% | 1.7 m/s | 5.3 |
| 2013 | 30.7°C | 26.8°C | 22.9°C | 32.3°C | 19.4°C | 64 mm | 81% | 2 m/s | 5.9 |
| 2012 | 30.1°C | 26.3°C | 22.4°C | 31.7°C | 15.2°C | 47 mm | 81% | 2.3 m/s | 5.8 |
| 2011 | 28.6°C | 25.6°C | 22.6°C | 29.9°C | 17.4°C | 247 mm | 88% | 2.6 m/s | 5.1 |
| 2010 | 30.4°C | 27.3°C | 24.3°C | 32.9°C | 21.7°C | 167 mm | 85% | 2.1 m/s | 5.1 |
| 2009 | 31.6°C | 27.4°C | 23.2°C | 32.7°C | 18.3°C | 51 mm | 79% | 2 m/s | 5.6 |
| 2008 ❄️ | 30.0°C | 25.0°C | 20.0°C | 30.8°C | 16.9°C | 30 mm | 81% | 2.4 m/s | 6.3 |
| 2007 | 30.0°C | 26.3°C | 22.7°C | 31.5°C | 19.9°C | 36 mm | 84% | 2.5 m/s | 5.9 |
| 2006 🌧️ | 29.2°C | 26.4°C | 23.6°C | 31.7°C | 19.0°C | 499 mm | 88% | 2.5 m/s | 4.9 |
| 2005 | 31.4°C | 27.5°C | 23.6°C | 32.3°C | 21.6°C | 52 mm | 78% | 2.1 m/s | 5.9 |
| 2004 | 30.7°C | 26.7°C | 22.8°C | 31.6°C | 21.0°C | 26 mm | 82% | 2.4 m/s | 6.4 |
| 2003 | 31.9°C | 27.6°C | 23.3°C | 33.8°C | 18.7°C | 11 mm | 77% | 2.1 m/s | 6.3 |
| 2002 | 30.9°C | 27.3°C | 23.6°C | 32.5°C | 20.6°C | 73 mm | 80% | 2.1 m/s | 6 |
| 2001 | 30.1°C | 26.5°C | 22.8°C | 31.4°C | 17.9°C | 87 mm | 85% | 2.7 m/s | 5.8 |
| 2000 | 29.6°C | 27.0°C | 24.4°C | 30.9°C | 22.2°C | 257 mm | 88% | 2.1 m/s | 4.8 |
| 1999 | 29.8°C | 26.3°C | 22.9°C | 31.2°C | 14.5°C | 179 mm | 86% | 2.4 m/s | 4.9 |
| 1998 | 31.0°C | 27.8°C | 24.5°C | 32.8°C | 20.9°C | 95 mm | 84% | 2.4 m/s | 5.6 |
| 1997 | 31.2°C | 26.3°C | 21.5°C | 33.2°C | 20.2°C | 5 mm | 76% | 2.7 m/s | 6 |
| 1996 | 29.7°C | 26.2°C | 22.6°C | 31.5°C | 17.4°C | 165 mm | 84% | 2.1 m/s | 5.3 |
| 1995 | 30.0°C | 26.3°C | 22.7°C | 32.0°C | 17.3°C | 86 mm | 82% | 1.9 m/s | 5.8 |
| 1994 | 29.6°C | 25.3°C | 21.0°C | 31.5°C | 14.3°C | 67 mm | 83% | 2.6 m/s | 6 |
| 1993 | 31.3°C | 27.1°C | 23.0°C | 33.0°C | 21.1°C | 23 mm | 79% | 2.8 m/s | 6 |
| 1992 | 29.6°C | 26.5°C | 23.4°C | 31.9°C | 19.4°C | 188 mm | 85% | 2.6 m/s | 4.9 |
| 1991 | 29.9°C | 26.5°C | 23.1°C | 31.6°C | 18.2°C | 131 mm | 84% | 2.3 m/s | 5.6 |
| 1990 | 31.5°C | 27.7°C | 23.9°C | 32.8°C | 17.6°C | 97 mm | 75% | 1.5 m/s | 5.9 |
| 1989 | 30.4°C | 27.2°C | 24.1°C | 32.1°C | 21.5°C | 155 mm | 85% | 2.1 m/s | 5.3 |
| 1988 | 30.8°C | 27.0°C | 23.2°C | 32.2°C | 19.2°C | 37 mm | 78% | 1.8 m/s | 6 |
| 1987 | 30.9°C | 26.7°C | 22.5°C | 33.4°C | 18.5°C | 65 mm | 80% | 2.6 m/s | 5.8 |
| 1986 | 29.9°C | 26.3°C | 22.8°C | 31.5°C | 16.9°C | 190 mm | 83% | 2.1 m/s | 5.8 |
| 1985 | 29.9°C | 26.0°C | 22.2°C | 32.2°C | 15.7°C | 222 mm | 85% | 2.8 m/s | 6 |
| 1984 | 29.8°C | 26.2°C | 22.6°C | 31.0°C | 16.8°C | 49 mm | 85% | 2.6 m/s | 5.9 |
| 1983 | 29.7°C | 26.9°C | 24.0°C | 31.2°C | 19.3°C | 141 mm | 87% | 2.1 m/s | — |
| 1982 | 30.2°C | 26.2°C | 22.1°C | 31.7°C | 19.1°C | 29 mm | 82% | 2.4 m/s | — |
| 1981 | 31.0°C | 26.9°C | 22.8°C | 32.4°C | 19.9°C | 50 mm | 78% | 1.7 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 30.6°C with lows near 23.2°C (mean 26.9°C), based on 45 years of NASA POWER data.
April averages 103 mm of rainfall in Palmerston, one of the drier months. The wettest on record was 499 mm in 2006.
The hottest April reached 36.7°C in 2016. The coldest dipped to 14.3°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 30.1°C to 30.7°C and overnight lows from 22.7°C to 23.7°C over the same span.
April is one of the cooler months of the year in Palmerston and one of the drier months, so plan for around 30.6°C daytime highs and 23.2°C at night.
Not quite — April is the 4th coolest month in Palmerston, averaging 26.9°C.
For April in Palmerston, pack light, breathable clothing and sun protection, with typical highs of 30.6°C and lows of 23.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 82% — quite humid.
Average wind speed in April is 2.2 m/s. The windiest April on record averaged 2.9 m/s (2024).
The wettest April on record was 2006 with 499 mm. On average, April sees 103 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 Palmerston 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.
