April is one of the warmer months of the year in Port Pirie, with average highs near 24.5°C and lows around 12.2°C (mean 18.4°C). It is about average for rainfall, averaging 23 mm of rainfall and 54% relative humidity across the period.
April is one of the warmer months of the year in Port Pirie. Across 45 years of records, the warmest April in Port Pirie was 2018 — when the month averaged 21.9°C — while the coldest was 1983 at 15.7°C. Typical April days reach 24.5°C with nights near 12.2°C. The long-term trend is warming, about 0.3°C per decade.
April is about average for rainfall in Port Pirie, averaging 23 mm of rainfall. The wettest April on record was 2015 with 88 mm, while the driest was 1997 at 0 mm.
Relative humidity in Port Pirie during April averages 54%. The most humid April was 1989 at 67%, and the least humid was 2002 at 43%.
April receives about 4.4 kWh/m²/day of solar energy in Port Pirie. The sunniest Aprils were 1993 and 2005 at 4.8 kWh/m²/day, and the cloudiest were 2006 and 2015 at 3.9.
Average wind speed in Port Pirie during April is 3.2 m/s. The windiest Aprils were 1983 and 1986 at 3.8 m/s, while the calmest were 1999 and 2013 at 2.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.9°C | 17.7°C | 18.8°C | 18.9°C | 18.5°C | +0.6°C |
| Avg High | 24.0°C | 23.8°C | 25.0°C | 25.0°C | 24.5°C | +0.5°C |
| Avg Low | 11.7°C | 11.5°C | 12.6°C | 13.0°C | 12.5°C | +0.8°C |
| Avg Rain | 21 mm | 20 mm | 22 mm | 30 mm | 18 mm | -3 mm |
April temperatures in Port Pirie have risen by about 0.9°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 4°C (1983) to a record high of 37.6°C (1985).
Rainfall in April is about average for rainfall, averaging 23 mm, with a wettest year of 88 mm.
A good time to visit Port Pirie
April is a good time to visit Port Pirie, with days averaging 24.5°C and nights around 12.2°C (mean 18.4°C, close to Port Pirie's yearly average) and low rainfall. March and December 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 | 26.4°C | 20.4°C | 14.4°C | 33.5°C | 9.0°C | 3 mm | 50% | 2.9 m/s | 4.3 |
| 2024 | 23.0°C | 16.7°C | 10.3°C | 27.2°C | 7.6°C | 10 mm | 58% | 3 m/s | 4.6 |
| 2023 | 23.8°C | 17.9°C | 12.1°C | 30.1°C | 8.0°C | 25 mm | 57% | 3.4 m/s | 4.3 |
| 2022 | 25.8°C | 19.9°C | 14.0°C | 32.6°C | 9.4°C | 21 mm | 52% | 3.2 m/s | 4.1 |
| 2021 | 25.0°C | 18.7°C | 12.3°C | 33.6°C | 6.9°C | 6 mm | 51% | 2.8 m/s | 4.5 |
| 2020 | 22.8°C | 17.3°C | 11.8°C | 29.2°C | 6.9°C | 43 mm | 62% | 3.1 m/s | 4 |
| 2019 | 26.5°C | 19.9°C | 13.4°C | 33.7°C | 7.7°C | 6 mm | 44% | 3.5 m/s | 4.6 |
| 2018 🔥 | 28.4°C | 21.9°C | 15.4°C | 37.1°C | 10.8°C | 9 mm | 45% | 3.2 m/s | 4.7 |
| 2017 | 24.6°C | 18.7°C | 12.9°C | 31.0°C | 6.9°C | 30 mm | 54% | 3 m/s | 4.1 |
| 2016 | 25.9°C | 19.5°C | 13.2°C | 31.7°C | 8.0°C | 7 mm | 51% | 3.2 m/s | 4.4 |
| 2015 🌧️ | 21.5°C | 16.2°C | 10.9°C | 31.7°C | 4.6°C | 88 mm | 62% | 3.2 m/s | 3.9 |
| 2014 | 24.0°C | 18.3°C | 12.6°C | 34.7°C | 8.9°C | 86 mm | 63% | 3.1 m/s | 4 |
| 2013 | 25.4°C | 19.3°C | 13.2°C | 31.2°C | 9.7°C | 25 mm | 52% | 2.7 m/s | 4.3 |
| 2012 | 24.7°C | 18.6°C | 12.5°C | 33.1°C | 6.4°C | 7 mm | 55% | 2.9 m/s | 4.5 |
| 2011 | 23.5°C | 17.5°C | 11.5°C | 29.1°C | 7.9°C | 9 mm | 60% | 3.1 m/s | 4.5 |
| 2010 | 25.1°C | 19.5°C | 13.9°C | 30.5°C | 8.1°C | 34 mm | 57% | 3 m/s | 4.1 |
| 2009 | 24.3°C | 18.4°C | 12.5°C | 34.4°C | 8.5°C | 32 mm | 54% | 3.3 m/s | 4.5 |
| 2008 | 23.6°C | 17.7°C | 11.8°C | 30.1°C | 6.8°C | 27 mm | 49% | 3.4 m/s | 4.3 |
| 2007 | 25.2°C | 19.2°C | 13.1°C | 31.6°C | 8.6°C | 45 mm | 54% | 3.3 m/s | 4.4 |
| 2006 | 22.0°C | 16.3°C | 10.6°C | 28.7°C | 6.8°C | 35 mm | 61% | 3.5 m/s | 3.9 |
| 2005 | 28.0°C | 21.2°C | 14.3°C | 36.6°C | 7.9°C | 9 mm | 44% | 3.4 m/s | 4.8 |
| 2004 | 25.8°C | 19.6°C | 13.3°C | 34.0°C | 5.5°C | 4 mm | 48% | 3.2 m/s | 4.2 |
| 2003 | 25.1°C | 18.8°C | 12.5°C | 31.2°C | 7.5°C | 15 mm | 51% | 3 m/s | 4.3 |
| 2002 | 27.5°C | 20.8°C | 14.1°C | 32.4°C | 8.3°C | 3 mm | 43% | 3 m/s | 4.4 |
| 2001 | 24.5°C | 18.0°C | 11.4°C | 31.9°C | 6.7°C | 13 mm | 50% | 3.1 m/s | 4.5 |
| 2000 | 24.3°C | 18.2°C | 12.2°C | 28.4°C | 7.0°C | 39 mm | 59% | 3.3 m/s | 4.5 |
| 1999 | 23.5°C | 16.8°C | 10.0°C | 29.1°C | 5.5°C | 7 mm | 50% | 2.7 m/s | 4.7 |
| 1998 | 22.3°C | 16.4°C | 10.5°C | 32.4°C | 6.0°C | 52 mm | 56% | 3.3 m/s | 4.2 |
| 1997 | 25.3°C | 18.8°C | 12.2°C | 29.9°C | 6.8°C | 0 mm | 49% | 2.8 m/s | 4.6 |
| 1996 | 22.3°C | 16.3°C | 10.3°C | 32.8°C | 6.4°C | 5 mm | 59% | 3.4 m/s | 4.3 |
| 1995 | 21.4°C | 15.8°C | 10.2°C | 27.4°C | 6.4°C | 42 mm | 59% | 3.2 m/s | 4.3 |
| 1994 | 24.4°C | 18.2°C | 12.0°C | 30.2°C | 7.5°C | 2 mm | 52% | 3.2 m/s | 4.7 |
| 1993 | 26.6°C | 19.9°C | 13.1°C | 32.6°C | 8.7°C | 1 mm | 44% | 2.9 m/s | 4.8 |
| 1992 | 23.9°C | 18.2°C | 12.6°C | 34.1°C | 6.8°C | 38 mm | 58% | 3.1 m/s | 4.2 |
| 1991 | 24.4°C | 18.3°C | 12.1°C | 33.1°C | 6.5°C | 21 mm | 53% | 3.2 m/s | 4.5 |
| 1990 | 24.2°C | 18.0°C | 11.9°C | 30.9°C | 5.6°C | 27 mm | 57% | 3.5 m/s | 4.4 |
| 1989 | 23.1°C | 17.4°C | 11.7°C | 30.0°C | 7.0°C | 23 mm | 67% | 2.9 m/s | 4.4 |
| 1988 | 24.7°C | 18.1°C | 11.6°C | 28.2°C | 7.5°C | 11 mm | 57% | 3.1 m/s | 4.4 |
| 1987 | 25.2°C | 18.7°C | 12.2°C | 32.9°C | 7.0°C | 8 mm | 48% | 3.2 m/s | 4.5 |
| 1986 | 23.9°C | 17.7°C | 11.5°C | 36.4°C | 5.5°C | 15 mm | 53% | 3.8 m/s | 4.5 |
| 1985 | 23.7°C | 17.8°C | 11.9°C | 37.6°C | 6.7°C | 28 mm | 53% | 3.3 m/s | 4.4 |
| 1984 | 23.5°C | 17.2°C | 10.9°C | 30.5°C | 6.8°C | 36 mm | 58% | 3.1 m/s | 4.3 |
| 1983 ❄️ | 20.9°C | 15.7°C | 10.4°C | 26.1°C | 4.0°C | 48 mm | 61% | 3.8 m/s | — |
| 1982 | 24.3°C | 18.2°C | 12.1°C | 31.2°C | 7.0°C | 20 mm | 51% | 3.1 m/s | — |
| 1981 | 26.9°C | 20.1°C | 13.3°C | 32.1°C | 6.5°C | 4 mm | 49% | 2.9 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 24.5°C with lows near 12.2°C (mean 18.4°C), based on 45 years of NASA POWER data.
April averages 23 mm of rainfall in Port Pirie, about average for rainfall. The wettest on record was 88 mm in 2015.
The hottest April reached 37.6°C in 1985. The coldest dipped to 4°C in 1983.
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 23.9°C to 24.8°C and overnight lows from 11.7°C to 12.6°C over the same span.
April is one of the warmer months of the year in Port Pirie and about average for rainfall, so plan for around 24.5°C daytime highs and 12.2°C at night.
Not quite — April is the 7th coolest month in Port Pirie, averaging 18.4°C.
For April in Port Pirie, pack light layers you can adjust through the day, with typical highs of 24.5°C and lows of 12.2°C.
Relative humidity in April averages 54% — relatively dry.
Average wind speed in April is 3.2 m/s. The windiest April on record averaged 3.8 m/s (1983).
The wettest April on record was 2015 with 88 mm. On average, April sees 23 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 Port Pirie 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.
